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GALABA TRADING LIMITED

GALABA TRADING LIMITED
加拉巴贸易有限公司

250 MWp GTL Solar PV Power Project – Feasibility Study Report
250 MWp GTL 太阳能光伏发电项目 - 可行性研究报告

FEASIBILITY STUDY REPORTS
可行性研究 报告

for the development of the
促进 发展

250 MWP GTL SOLAR PV POWER PROJECT
250 MWPGTL 太阳能光伏发电项目

In

MAZABUKA & SIAVONGA (LUSITU)

SOUTHERN PROVINCE

ZAMBIA
赞比亚

2024

EXECUTIVE SUMMARY
执行摘要

Executive Summary
执行摘要

The feasibility study for the proposed 250 MWp GTL Solar PV Power Project in the Mazabuka and Siavonga (Lusitu) Districts has been successfully completed by GTL Power Solutions. This study thoroughly evaluated the solar generation potential, technical feasibility, and economic viability of establishing a utility-scale solar photovoltaic (PV) power plant in the designated areas.
GTL Power Solutions 已成功完成了拟在马扎布卡(Mazabuka)和西亚万加(Lusitu)地区建设的 250 兆瓦 GTL 太阳能光伏发电项目的可行性研究。该研究全面评估了在指定地区建立公用事业规模太阳能光伏 (PV) 发电站的太阳能发电潜力、技术可行性和经济可行性。

Key Findings
主要发现
:

1. Solar Generation Potential
1.太阳能发电潜力
:

- The regions of Mazabuka and Siavonga have been identified as possessing sufficient solar generation potential to support a large-scale solar PV power plant.
- 马扎布卡(Mazabuka)和西亚文加(Siavonga)地区已被确认拥有足够的太阳能发电潜力,可支持大型太阳能光伏发电厂。

- The availability of advanced solar technology ensures that the project can be effectively implemented to harness this potential.
- 先进的太阳能技术可确保有效实施该项目,以利用这一潜力。

2. Project Cost and Tariff
2.项目成本和关税
:

- The estimated total cost for the project is approximately US$ 220 million.
- 项目总成本估计约为 2.2 亿美元。

- The project is financially attractive at a tariff exceeding 8.5 US¢/kWh, making it competitive in the energy market
- 该项目的电价超过 8.5 美分/千瓦时,具有很强的经济吸引力,使其在能源市场上具有竞争力
.

3. Financial Metrics
3.财务指标
:

- Levelised Cost of Electricity (LCOE): Estimated at 6.7 US¢/kWh, assuming a discount rate of 12%
- 平准化电力成本 (LCOE):假定贴现率为 12%,估计为 6.7 美分/千瓦时
.

- Return on Investment (ROI): Though the specific ROI value was not stated, the project demonstrates strong financial viability.
- 投资回报率(ROI):虽然没有说明投资回报率的具体数值,但该项目显示出很强的财务可行性。

- Internal Rate of Return (IRR): Calculated at 21.38%, indicating a robust return potential for investors.
- 内部收益率 (IRR):计算结果为 21.38%,表明投资者的回报潜力巨大。

- Net Present Value (NPV): Projected to be US$ 46.8 million, underscoring the project's value addition.
- 净现值 (NPV):净现值(NPV):预计为 4680 万美元,凸显了项目的增值效应。

- Payback Period: Estimated at 10.8 years, reflecting a reasonable timeline for recovering the initial investment.
- 投资回收期:投资回收期:估计为 10.8 年,反映了收回初始投资的合理期限。

The feasibility study concludes that the GTL Solar PV Power Project is both technically and economically viable. The combination of sufficient solar resources, competitive costs, and favorable financial returns supports the recommendation for further development and implementation of the project.
可行性研究的结论是,GTL 太阳能光伏发电项目在技术和经济上都是可行的。充足的太阳能资源、有竞争力的成本和有利的财务回报,这些因素都支持进一步开发和实施该项目的建议。

GTL Power Solutions recommends advancing to the next stages of project development, including securing necessary permits, finalizing financing arrangements, and initiating detailed design and construction planning. The successful execution of this project will contribute significantly to the region's renewable energy capacity and economic growth.
GTL电力解决方案公司建议推进项目开发的下一阶段,包括获得必要的许可、敲定融资安排以及启动详细设计和施工规划。该项目的成功实施将极大地促进该地区的可再生能源能力和经济增长。

Introduction
导言

GTL Power Solutions Limited is spearheading the development of a Solar PV Power Project in Mazabuka and Siavonga (Lusitu) Districts. This initiative is part of their commitment to addressing the energy deficit in Zambia and the broader region through renewable and environmentally friendly solutions. The project also aligns with the goals of Sustainable Development Goal No. 7, which focuses on ensuring access to affordable, reliable, sustainable, and modern energy for all.
GTL Power Solutions Limited 正带头在 Mazabuka 和 Siavonga(Lusitu)地区开发太阳能光伏发电项目。这一举措是他们致力于通过可再生和环保解决方案解决赞比亚和更广泛地区能源短缺问题的一部分。该项目也符合可持续发展目标 7 的目标,即确保人人都能获得负担得起、可靠、可持续的现代能源。

The Government of Zambia, through the Ministry of Energy, has granted GTL the authorization to conduct a feasibility study for the development of this solar PV power project in the Wells Spring and Siavonga (Lusitu) areas. The feasibility study will assess the proposed technical solutions and evaluate the project's viability, including financial, economic, and environmental factors, to ensure its successful implementation.
赞比亚政府已通过能源部授权 GTL 在 Wells Spring 和 Siavonga(Lusitu)地区开展太阳能光伏发电项目的可行性研究。可行性研究将评估所提出的技术解决方案,并评估项目的可行性,包括财务、经济和环境因素,以确保项目的成功实施。

Project Location
项目地点

Location
地点

The proposed Solar PV Power Project will be situated approximately 20 km east of both Mazabuka and Siavonga (Lusitu) towns. The site is about 10 km off the Lusaka-Mazabuka (T1) and Lusaka-Siavonga (Lusitu) (M15 off T2) Highways, specifically in the Wells Spring and Siavonga (Lusitu) Farm areas. The exact location of the project is depicted in Ex Fig 1 below.
拟议的太阳能光伏发电项目将位于马扎布卡镇和西亚文加(卢西图)镇以东约 20 公里处。项目地点距离卢萨卡-马扎布卡(T1)和卢萨卡-西亚文加(Lusitu)(M15 off T2)高速公路约 10 公里,特别是在 Wells Spring 和西亚文加(Lusitu)农场地区。项目的具体位置如下图 1 所示。

Ex Fig 1: Project Location
图 1:项目地点

Access to the Site
访问网站

Access to the project site is provided via the Lusaka-Mazabuka (T1) and Lusaka-Siavonga (Lusitu) (M15 off T2) Highways. From these highways, a 10 km dust road leads directly to the project location.
卢萨卡-马扎布卡(T1)高速公路和卢萨卡-西亚文加(Lusitu)(M15 off T2)高速公路是通往项目地点的必经之路。从这两条高速公路上有一条 10 公里长的尘土路可直接通往项目地点。

Scope of Study
研究范围

The Feasibility Study Report is designed to serve as a foundation for the further development of a Solar PV power plant in Mazabuka and Siavonga (Lusitu) Districts. The study evaluates the suitability of the selected project site, focusing on factors such as solar energy yield, the grid's capacity to evacuate the power generated by the plant, and an overview of potential environmental and social concerns that may arise during the project's execution. The components of this feasibility study are categorized into three key areas: technical, economic and financial, and environmental and social parameters.
该可行性研究报告旨在为进一步开发马扎布卡和西亚文加(卢西图)地区的太阳能光伏电站奠定基础。该研究评估了所选项目地点的适宜性,重点关注太阳能产量、电网疏散电站所发电量的能力等因素,以及项目实施过程中可能出现的潜在环境和社会问题。本可行性研究的内容分为三个关键领域:技术、经济和财务以及环境和社会参数。

Meteorological Data
气象数据

The meteorological information used in the assessment for the project was obtained from Meteonorm 8.1 and was based on a Typical Meteorological Year (TMY) as presented in Ex Table 1 below:
项目评估中使用的气象信息来自 Meteonorm 8.1,以典型气象年(TMY)为基础,如下表 1 所示:

Ex Table 1: Meteonorm 8.1 Site Meteorological Data
表 1:Meteonorm 8.1 场地气象数据

Latitude
纬度

-12.9859°,

Longitude
经度

28.3037°

Altitude
海拔高度

1214 m

Variability
可变性

5.7%

Month
月份

GlobH

DiffH

Temp
温度

Wind Vel
风速

kWh.m-²

kWh.m-²

°C

m.s-1

January
一月份

198.7

79.61

21.37

2.01

February
二月份

178

70.55

21.23

2.09

March
三月份

193.4

69.75

21.31

2.31

April
四月

187.7

51.37

20.14

3

May
五月份

184

41.83

19.01

3

June
六月

169.8

31.34

16.8

3.1

July
七月

176.7

35.66

16.87

3.3

August
八月

194.1

40.07

19.6

3.4

September
九月份

203.7

49.24

22.83

3.5

October
十月份

221.1

58.25

25.15

3.41

November
十一月

204.4

71.21

23.45

2.6

December
十二月

200.1

74.48

21.85

2.1

Year
年份

2311.8

673.35

20.8

2.82

Preliminary Design
初步设计

General Description
一般说明

The proposed Solar PV Power Plant is planned to have a peak capacity of approximately 250 MW, consisting of 602,420 Solar PV modules, 1,200 solar inverter units, 40 smart transformer stations, and a 220/33 kV Substation. The substation at the solar PV power plant will connect to the national grid through a 12 km, 220 kV single-circuit transmission line that links to the 220/66 kV Zesco Substation.
拟建的太阳能光伏电站计划峰值发电能力约为 250 兆瓦,由 602 420 个太阳能光伏组件、1 200 个太阳能逆变器单元、40 个智能变电站和一个 220/33 千伏变电站组成。太阳能光伏发电厂的变电站将通过一条 12 千米长的 220 千伏单回路输电线路与国家电网相连,该线路与 220/66 千伏 Zesco 变电站相连。

The transmission line will utilize a double 225 mm² ACSR (2xLion) conductor set, which will be strung on standard CEC 220 kV structures.
输电线路将采用双 225 mm² ACSR(2xLion)导线组,并将在标准的 CEC 220 千伏结构上串联。

Preferred Equipment
首选设备

The preferred equipment and the respective manufacturers are shown in Ex Table 2 below:
首选设备及相关制造商见下表 2:

Ex Table 2: Preferred Equipment and Equipment Manufacturers
前表 2:首选设备和设备制造商

No.

Item
项目

Model

Nominal Rating/Type
标称等级/类型

Manufacturer
制造商

1.

Solar PV Module
太阳能光伏组件

CS3W-415P 1500V HE

415 W, 39.3 V Polycrystalline
415 瓦,39.3 伏 多晶硅

Canadian Solar
阿特斯太阳能

2.

Solar Inverter
太阳能逆变器

SUN2000-185KTL-H1

185 kWac/String Inverter
185 kWac/String 逆变器

Huawei Technologies
华为技术公司

3.

Smart Transformer
智能变压器

STS-6000K

6,300 kVA, 33/0.8 kV
6,300 千伏安,33/0.8 千伏

Huawei Technologies
华为技术公司

Plant Layout
工厂布局

The proposed power plant will feature approximately 602,420 polycrystalline Solar PV modules, covering an area of about 250 hectares. Each module is expected to have a nominal output capacity of 415 W at 39.3V. In the setup, 28 of these Solar PV modules will be connected in a string, and 18 strings will be connected in parallel to a single inverter. The modules will be mounted on a fixed ground mounting system with two vertical module rows in a portrait configuration on each structure.
拟建电站将采用约 602,420 块多晶硅太阳能光伏组件,占地约 250 公顷。每个模块在 39.3V 电压下的额定输出功率预计为 415 W。在安装过程中,28 个太阳能光伏组件将连接成一个组串,18 个组串将并联到一个逆变器上。模块将安装在一个固定的地面安装系统上,每个结构上有两个纵向模块行。

The preferred inverter for this project is the decentralized SUN2000-185KTL-H1 Smart String Inverter by Huawei Technologies, with approximately 1,200 inverters required. The output from these inverters will be connected to a 0.8 kV busbar in a containerized Smart MV transformer. The generated power at 0.8 kV will be stepped up to 33 kV via a 6.3 MVA transformer, connected to a 33 kV bus at the project site. The Huawei STS-6000K Smart Transformer Station is recommended for this purpose.
该项目的首选逆变器是华为技术公司的分散式 SUN2000-185KTL-H1 智能组串逆变器,大约需要 1,200 台逆变器。这些逆变器的输出将连接到集装箱式智能中压变压器中的 0.8 千伏母线上。0.8 千伏的发电功率将通过一台 6.3 MVA 变压器升压至 33 千伏,并连接至项目现场的 33 千伏母线。为此,推荐使用华为 STS-6000K 智能变电站。

The 33 kV bus will then be connected to a 220 kV busbar at the project site through four 60 MVA power transformers. This 220 kV busbar will subsequently connect to the 220 kV busbar at the Zesco Substations via a 12 km single-circuit 220 kV transmission line.
然后,33 千伏母线将通过四台 60 兆伏安电力变压器连接到项目现场的 220 千伏母线。这条 220 千伏母线随后将通过一条 12 千米长的 220 千伏单回路输电线路与 Zesco 变电站的 220 千伏母线相连。

Power and Energy Generation
电力和能源生产

The hourly energy generation for a typical year ae shown in Ex Fig 2 while the annual energy generation for the life of the project are outlined in Ex Table 3 below:
典型年份的每小时发电量如图 2 所示,而项目寿命期内的年发电量如表 3 所示:e

iv

GALABA TRADING LIMITED
加拉巴贸易有限公司

250 MWp GTL Solar PV Power Project – Feasibility Study Report
250 MWp GTL 太阳能光伏发电项目 - 可行性研究报告

Ex Fig 2: Annual Hourly Generationv
Ex 图 2:年小时发电量v

GALABA TRADING LIMITED
加拉巴贸易有限公司

250 MWp GTL Solar PV Power Project – Feasibility Study Reports
250 MWp GTL 太阳能光伏发电项目 - 可行性研究报告

Ex Table 3: 25-Year Annual Energy Yield for the Power Plant
前表 3:发电厂 25 年的年发电量

Year
年份

GWh
千兆瓦时

PR (%)

PR Loss (%)
PR 损失 (%)

1

441.1

73.8

-0.19

2

439.5

73.53

-0.56

3

437.6

73.21

-0.99

4

435.5

72.86

-1.46

5

433.2

72.48

-1.98

6

430.6

72.04

-2.57

7

427.7

71.56

-3.22

8

424.7

71.05

-3.9

9

421.6

70.54

-4.6

10

418.5

70.02

-5.3

11

415.6

69.53

-5.97

12

412.7

69.06

-6.61

13

410

68.6

-7.22

14

407.4

68.16

-7.82

15

404.9

67.74

-8.39

16

402.7

67.38

-8.88

17

400.8

67.06

-9.31

18

398.9

66.74

-9.74

19

396.9

66.41

-10.19

20

394.7

66.04

-10.69

21

391.9

65.57

-11.32

22

388.6

65.01

-12.07

23

385

64.41

-12.89

24

381.2

63.77

-13.75

25

377.2

63.11

-14.64

Total
总计

10278.5

-

-

Average
平均

411.14

68.7872

-7.0

Summary System Performance
系统性能汇总

A summary of the overall performance of the project is shown in Ex Table 4 below:
项目的总体绩效概要见下表 4:

Ex Table 4: Summary System Performance
表 4:系统性能总表

Average Electricity Exported to Grid
向电网输出的平均电量

411 GWh
411 千兆瓦时

Specific Yield
具体产量

1,764 kWh/kWp

Normalised Production
正常化生产

1,764 kWh/kWp/yr

Array Losses
阵列损耗

555 kWh/kWp/yr

System Losses
系统损耗

69.4 kWh/kWp/yr

Performance Ratio
性能比

73.8 %

Capacity Factor
容量系数

18.8 %

Power Evacuation
电力疏散

The energy generated by the plant will be fed into the national grid through the existing 220 kV Zesco Substations. A 220/33 kV substation located at the project site will connect the power plant to the Wells Spring and Siavonga (Lusitu) Substations via a 12 km, 220 kV transmission line. This transmission line will utilize double 225 mm² ACSR (2xLion) conductors, which will be strung on standard CEC 220 kV structures. The geographic representation of this setup is shown in Ex Fig 3 below.
发电厂产生的电能将通过现有的 220 千伏 Zesco 变电站输入国家电网。位于项目所在地的 220/33 千伏变电站将通过一条 12 千米长的 220 千伏输电线路将发电厂与 Wells Spring 和 Siavonga(Lusitu)变电站连接起来。该输电线路将使用双 225 mm² ACSR(2xLion)导线,并将在标准的 CEC 220 千伏结构上进行串联。该设置的地理示意图如下图 3 所示。

Ex Fig 3: Proposed Power Evacuation Option – Geographic
前图 3:拟议的电力疏散方案 - 地理位置

The single line diagram for the above works is shown in Ex Fig 4 below:
上述工程的单线图如下图 4 所示:

Ex Fig 4: Proposed Power Evacuation Option - SLD
图 4:拟议的电力疏散方案--SLD

The scope of works for evacuating power through the 220 kV network includes:
通过 220 千伏电网疏散电力的工程范围包括

i. Construction of a 220/33 kV substation at the GTL Solar PV Power Project site.
i.在 GTL 太阳能光伏发电项目现场建造一座 220/33 千伏变电站。

ii. Installation of transformers and associated infrastructure at the GTL Project site.
ii.在 GTL 项目现场安装变压器和相关基础设施。

iii. Construction of a 12 km, 220 kV transmission line from the GTL Project site to the Zesco Substations.
iii.建设一条从 GTL 项目现场到 Zesco 变电站的 12 公里 220 千伏输电线路。

iv. Extension of the 220 kV busbar at the Zesco Substations.
iv.延长 Zesco 变电站的 220 千伏母线。

v. Installation of associated infrastructure at the Zesco Substations.
v. 在 Zesco 变电站安装相关基础设施。

Project Cost and Economic Analysis
项目成本和经济分析

Project Cost
项目成本

The implementation of the 250 MWp GTL Solar PV Power Plant is projected to cost USD 220 million, which translates to a unit cost of USD 0.88 million per MWp. The project is deemed economically viable if the tariffs exceed 8.5 US¢/kWh, as the Net Present Value (NPV), Benefit-Cost (B/C) ratio, and Economic Internal Rate of Return (EIRR) are positive within the considered range of discount rates. The cost estimate is detailed in Ex Table 5 below.
GTL 250 MWp 太阳能光伏电站的实施预计耗资 2.2 亿美元,单位成本为每 MWp 0.88 万美元。如果电价超过 8.5 美分/千瓦时, 在考虑的贴现率范围内,净现值 (NPV)、效益成本 (B/C) 比率和经济内部收益率 (EIRR) 均为正值,则该项目被视为经济上可行。成本估算详见下表 5。

Ex Table 5: Project Cost Estimate
表 5:项目成本估算

No.

Cost Item
费用项目

UoM

Quantity
数量

Unit Price (US$)
单价(美元)

Total (US$)
总计(美元)

A.

PV Modules
光伏组件

1.

CS3W-415P 1500V HE

Ea

602420

180

108,435,600

2.

Supports for Modules
模块支持

Ea

602420

50

30,121,000

B.

Inverters
变频器

3.

SUN2000-185KTL-H1

Ea

1099

12,000

13,188,000

C.

Power Evacuation
电力疏散

4.

33 kV Smart Transformer
33 千伏智能变压器

Ea

45

45,000

2,025,000

5.

33 kV Substation
33 千伏变电站

Sum
总和

1

4,000,000

4,000,000

6.

60 MVA 220/33 kV Power Transformers
60 兆伏安 220/33 千伏电力变压器

Ea

4

800,000

3,200,000

7.

220 kV Substation
220 千伏变电站

Sum
总和

1

10,000,000

10,000,000

8.

220 kV Transmission Line
220 千伏输电线路

km
公里

12

400,000

4,800,000

9.

220 kV Substations Works at Wells Spring & Siavonga (Lusitu)
Wells Spring 和 Siavonga(Lusitu)220 千伏变电站工程

Sum
总和

1

4,000,000

4,000,000

D.

Other Components
其他组件

10.

Accessories, Fasteners
配件,紧固件

Lot
地段

1

2,000,000

2,000,000

11.

Wiring and Cabling
布线和电缆

Lot
地段

1

10,000,000

10,000,000

12.

Monitoring system, Display Screen
监控系统,显示屏

Sum
总和

1

1,500,000

1,500,000

13.

Measurement System, Pyranometer
测量系统,高温计

Sum
总和

2

100,000

200,000

14.

Water Supply and Treatment
供水和水处理

Sum
总和

1

1,200,000

1,200,000

15.

Staff Housing
员工住房

Ea

5

30,000

150,000

E.

Studies and Analysis
研究与分析

16.

Engineering
工程学

Sum
总和

1

1,000,000

1,000,000

17.

Permitting and other admin. Fees
许可和其他行政费用费用

Sum
总和

1

1,500,000

1,500,000

18.

Environmental Studies & Other Permitting
环境研究和其他许可

Sum
总和

1

1,200,000

1,200,000

19.

Economic & Financial Analysis
经济与财务分析

Sum
总和

1

100,000

100,000

F.

Installation
安装

20.

EPC Contract
工程总承包合同

Sum
总和

1

10,000,000

10,000,000

21.

Transport
运输

Sum
总和

1

5,000,000

5,000,000

22.

Commissioning
调试

Sum
总和

1

1,000,000

1,000,000

G.

Land costs
土地成本

23.

Land Purchase
购买土地

Sum
总和

1

2,500,000

2,500,000

24.

Land Preparation
土地平整

Sum
总和

1

300,000

300,000

H.

Contingency
应急

Sum
总和

1

2,000,000

2,000,000

Total
总计

219,419,600

Economic and Financial Assumptions
经济和财务假设

The economic and financial assumption made in the study are given in Ex Table 6 below:
研究中所做的经济和财务假设如下表 6 所示:

Ex Table 6: Economic and Financial Assumptions
表 6:经济和财务假设

No.

Parameter
参数

Assumption
假设

1.

Project Cost
项目成本

US$ 220 million
2.2 亿美元

2.

Project Life
生活项目

25 years
25 年

3.

PPA Duration
PPA 期限

25 years
25 年

4.

Average Energy Sold to the Grid
出售给电网的平均能量

411 GWh pa
每年 411 千兆瓦时

5.

Commissioning Year
委托年份

2025

6.

Equity/Debt
股权/债务

20/80

7.

Loan Interest Rate
贷款利率

8 %

Redeemable with Fixed Annuity
可兑换固定年金

10 Year Loan Tenure
10 年贷款期限

8.

Annual Corporate Income Tax
年度企业所得税

10%

9.

Annual O&M Cost
年度运行和维护费用

US$ 1.5 million
150 万美元

10.

Annual Inflation Rate
年通货膨胀率

11 %

12.

Discount Rate
贴现率

12 %

Economic and Financial Outputs
经济和财政产出

Key Outputs
主要产出

Key economic and financial outputs are given in Ex Table 7 below:
主要经济和财务产出见下表 7:

Ex Table 7: Economic and Financial Outputs
前表 7:经济和财政产出

No.

Parameter
参数

Assumption
假设

1.

Levelised Cost of Energy (LCOE)
平准化能源成本 (LCOE)

US¢ 6.7/kWh
6.7 美分/千瓦时

3.

Feed in Tariff
上网电价

US¢ 8.5/kWh
8.5 美分/千瓦时

4.

Payback Period
投资回收期

10.8 Years
10.8 年

5.

Net Present Value (NPV)
净现值 (NPV)

US$ 46.8 million
4 680 万美元

6.

Return on Investment (ROI)
投资回报率(ROI)

21.3 %

7.

Internal Rate of Return (IRR)
内部收益率 (IRR)

21.38 %

Other Outputs
其他产出

Yearly Net Profit
年度净利润

The yearly net profit for the 25 years of operating the Project is given in Ex Fig 5 below:
项目运营 25 年的年净利润见下图 5:

Ex Fig 5: Yearly Cash Flow (kUS$)
图 5:年度现金流量(千美元)

Year cashflows are expected to dimmish towards the end of the loan tenure. The flows will increase thereafter and dimmish towards the end of the project life mainly due to increased maintenance costs and replacement of power plant components.
预计在贷款期结束时,年度现金流将减少。此后,现金流将增加,并在项目期限结束时减少,这主要是由于维护成本增加和电厂部件的更换。

Cumulative Cash Flow
累计现金流

The cumulative cash flow over the life of the project is shown in Ex Fig 6 below:
项目周期内的累计现金流如下图 6 所示:

Ex Fig 6: Cumulative Cash Flow (kUS$)
图 6:累计现金流(千美元)

Cash Allocation
现金分配

The percentage cash allocation for the Year 1, Year 25 and average over project life is depicted in Ex Fig 7 below:
第 1 年、第 25 年和整个项目周期的平均现金分配比例如下图 7 所示:

Ex Fig 7: Cash Allocation
前图 7:现金分配

7.3.3. Project Benefits
7.3.3.项目效益

The benefits of the project include:
该项目的益处包括

i. Mitigation of power deficits.
i.缓解电力不足。

ii. Contribution of 411 GWh to the national grid annually.
ii.每年向国家电网供电 411 千兆瓦时。

iii. Promotion of socioeconomic development in the surrounding areas.
iii.促进周边地区的社会经济发展。

iv. Creation of both direct and indirect job opportunities.
iv.创造直接和间接就业机会。

v. Contribution to carbon emission reductions (CERs).
v.对碳减排量(CER)的贡献。

8. Conclusion and Recommendation
8.结论和建议

The feasibility study for the proposed 250 MWp GTL Solar PV Power Project in Mazabuka and Siavonga (Lusitu) Districts, conducted by GTL Power Solutions, has been successfully completed. The study confirms that the solar generation potential in these areas is adequate to support a utility-scale solar PV power plant, and the necessary technology for implementation is available.
GTL Power Solutions 在马扎布卡(Mazabuka)和西亚万加(Lusitu)地区开展的拟议 250 兆瓦 GTL 太阳能光伏发电项目的可行性研究已顺利完成。该研究证实,这些地区的太阳能发电潜力足以支持公用事业规模的太阳能光伏发电厂,并且具备必要的实施技术。

With a project cost of USD 220 million, the project is considered attractive with a tariff greater than 8.5 US¢/kWh. The Levelized Cost of Electricity (LCOE) is approximately 6.7 US¢/kWh at a 12% discount rate. The Return on Investment (ROI) is positive, the Internal Rate of Return (IRR) is 21.38%, and the Net Present Value (NPV) is USD 46.8 million. The payback period for the project is estimated at 10.8 years.
项目成本为 2.2 亿美元,电价高于 8.5 美分/千瓦时,被认为具有吸引力。按 12% 的贴现率计算,平准化电力成本 (LCOE) 约为 6.7 美分/千瓦时 。投资回报率 (ROI) 为正值,内部收益率 (IRR) 为 21.38%,净现值 (NPV) 为 4,680 万美元。该项目的投资回收期估计为 10.8 年。

Based on these findings, the project is recommended for further development and implementation.
根据这些结论,建议进一步开发和实施该项目。

xii

GALABA TRADING LIMITED
加拉巴贸易有限公司

250 MWp GTL Solar PV Power Project – Feasibility Study Report
250 MWp GTL 太阳能光伏发电项目 - 可行性研究报告

Ex Table 8: Detailed Economic Results (US$ ‘000)
表 8:详细经济成果(千美元)

Year
年份

Electricity Sale
电力销售

Own
拥有

Funds
资金

Loan
贷款

Principal
校长

Loan
贷款

Interest
利息

Run. Costs
运行。费用

Deprec. Allow
已撤消。允许

Taxable Income
应税收入

Taxes
税收

After Tax Profit
税后利润

Self-Cons. Savings
自费项目节约

Cumul. Profit
累计利润

% Armorti.

-

43,880

-

-

-

-

-

-

-

-

-43,880

0%

37,430

-

12,117

14,043

1,499

7,164

14,724

1,472

8,299

0

-36,470

9%

37,293

-

13,087

13,074

1,664

7,164

15,392

1,539

7,930

0

-30,148

18%

37,131

-

14,134

12,027

1,847

7,164

16,094

1,609

7,515

0

-24,800

27%

36,954

-

15,264

10,896

2,050

7,164

16,844

1,684

7,059

0

-20,314

36%

36,761

-

16,486

9,675

2,275

7,164

17,647

1,765

6,560

0

-16,591

45%

36,538

-

17,804

8,356

2,526

7,164

18,492

1,849

6,002

0

-13,550

54%

36,294

-

19,229

6,932

2,803

7,164

19,395

1,940

5,391

0

-11,112

64%

36,036

-

20,767

5,393

3,112

7,164

20,366

2,037

4,727

0

-9,203

75%

35,777

-

22,429

3,732

3,454

7,164

21,427

2,143

4,020

0

-7,753

85%

35,513

-

24,223

1,938

3,834

7,164

22,577

2,258

3,261

0

-6,703

97%

35,265

-

-

-

4,256

7,164

23,845

2,384

28,625

0

1,526

101%

35,026

-

-

-

4,724

7,164

23,138

2,314

27,989

0

8,710

104%

34,793

-

-

-

5,243

7,164

22,385

2,239

27,311

0

14,969

107%

34,570

-

-

-

5,820

7,164

21,585

2,159

26,591

0

20,410

109%

34,357

-

-

-

6,460

7,164

20,732

2,073

25,823

0

25,128

112%

34,174

-

-

-

7,171

7,031

19,972

1,997

25,006

0

29,207

113%

34,012

-

-

-

7,960

7,031

19,021

1,902

24,150

0

32,724

115%

33,850

-

-

-

8,836

7,031

17,983

1,798

23,216

0

35,743

116%

33,682

-

-

-

9,807

7,031

16,844

1,684

22,190

0

38,319

118%

33,495

-

-

-

10,886

7,031

15,578

1,558

21,051

0

40,502

119%

33,256

-

-

-

12,084

7,031

14,142

1,414

19,758

0

42,331

119%

32,972

-

-

-

13,413

7,031

12,528

1,253

18,306

0

43,843

120%

32,668

-

-

-

14,888

7,031

10,749

1,075

16,705

0

45,076

121%

32,343

-

-

-

16,526

7,031

8,786

879

14,939

0

46,060

121%

32,009

-

-

-

18,344

7,031

6,634

663

13,001

0

46,825

121%

872,200

43,880

175,540

86,066

171,483

177,770

436,881

43,688

395,422

1

46,825

121%

xii

GALABA TRADING LIMITED
加拉巴贸易有限公司

250 MWp GTL Solar PV Power Project – Feasibility Study Report
250 MWp GTL 太阳能光伏发电项目 - 可行性研究报告

TABLE OF CONTENTS
目录

EXECUTIVE SUMMARYii
执行摘要ii

LIST OF FIGURESxviii

LIST OF TABLESxix

LIST OF UNITSxx

LIST OF ACRONYMSxxi
术语表xxi

INTRODUCTION .................................................................................................................................................... 1
简介 ....................................................................................................................................................1

Country Perspective................................................................................................................................................... 1
国家视角...................................................................................................................................................1

Project Promoter ....................................................................................................................................................... 1
项目促进者 .......................................................................................................................................................1

Project Description ................................................................................................................................................... 2
项目说明 ................................................................................................................................................... 2

Location ...................................................................................................................................................................... 2
...................................................................................................................................................................... 2

Access to the Site ....................................................................................................................................................... 2
进入网站 ....................................................................................................................................................... 2

Objective of the Reports........................................................................................................................................... 2
报告的目标........................................................................................................................................... 2

Objectives of the Project .......................................................................................................................................... 2
项目目标 .......................................................................................................................................... 2

Scope of Study ........................................................................................................................................................... 3
研究范围 ...........................................................................................................................................................3

POWER SECTOR IN ZAMBIA ............................................................................................................................ 4
赞比亚电力部门 ............................................................................................................................4

Overview of the Energy Sector in Zambia ........................................................................................................... 4
赞比亚能源行业概览 ...........................................................................................................4

Installed Generation Capacity ................................................................................................................................. 4
发电装机容量 .................................................................................................................................4

Transmission Network ............................................................................................................................................ 4
传输网络 ............................................................................................................................................4

Power Demand .......................................................................................................................................................... 5
电力需求 ..........................................................................................................................................................5

Regional Scenario ...................................................................................................................................................... 5
Regional Scenario ......................................................................................................................................................5

National Scenario ...................................................................................................................................................... 5
国家情景 ......................................................................................................................................................5

Economic Activities in the Project Areas ............................................................................................................. 8
项目区的经济活动 .............................................................................................................8

Power Supply in the Project Areas ........................................................................................................................ 9
项目区的电力供应 ........................................................................................................................9

DEVELOPMENT OF SOLAR POWER PROJECT IN ZAMBIA ........................................................... 10
在赞比亚开发太阳能项目 ...........................................................10

Solar Energy Resource ........................................................................................................................................... 10
太阳能资源 ...........................................................................................................................................10

Policy, Legal and Regulatory Frameworks......................................................................................................... 11
政策、法律和监管框架.........................................................................................................11

Policy Direction ...................................................................................................................................................... 11
政策方向 ......................................................................................................................................................11

Vision 2030 ............................................................................................................................................................. 11
2030 愿景 .............................................................................................................................................................11

National Development Plan ................................................................................................................................. 11
国家发展计划 .................................................................................................................................11

National Energy Policy 2019 ............................................................................................................................... 12
2019 年国家能源政策 ...............................................................................................................................12

Private Sector Promotion ...................................................................................................................................... 12
私营部门促进 ......................................................................................................................................12

RE-FiT Strategy ..................................................................................................................................................... 12
RE-FiT 战略 .....................................................................................................................................................12

Legal Frameworks ................................................................................................................................................... 12
法律框架 ...................................................................................................................................................12

Electricity Act 2019 ................................................................................................................................. 12
2019 年电力法 .................................................................................................................................12

Energy Regulation Act 2019 .................................................................................................................. 13 3.2.2.3 Zambia Grid Code (ZAGC) ................................................................................................................... 13 3.2.2.4 Other Applicable Codes, Regulations and Standards ........................................................................ 13 3.2.3 Regulatory Framework ................................................................................................................................ 13 3.2.3.1 Institutional Arrangement ...................................................................................................................... 13 3.2.3.2 Permitting Process .................................................................................................................................... 14 3.3 Utility Scale Renewable Energy Initiatives in Zambia ............................................................................. 16 3.3.1 Scaling Solar Zambia (IDC) ....................................................................................................................... 16
2019 年能源管理法案》 ..................................................................................................................13 3.2.2.3 赞比亚电网规范 (ZAGC) ...................................................................................................................13 3.2.2.4 其他适用规范、法规和标准 ........................................................................13 3.2.3 监管框架 ................................................................................................................................13 3.2.3.1 体制安排 ......................................................................................................................13 3.2.3.2 许可程序 ....................................................................................................................................14 3.3 赞比亚公用事业规模可再生能源倡议 .............................................................................16 3.3.1 扩大赞比亚太阳能规模 (IDC) .......................................................................................................................16

GET FiT Zambia ................................................................................................................................................... 16
GET FiT 赞比亚 ...................................................................................................................................................16

Alternative Renewable Energy Investment Program (ARIEP) (IDC) ......................................................... 16
替代性可再生能源投资计划 (ARIEP) (IDC) .........................................................16

Private Sector Initiated Projects ........................................................................................................................... 16
Private Sector Initiated Projects ...........................................................................................................................16

PROJECT AREAS .................................................................................................................................................... 17
PROJECT AREAS ....................................................................................................................................................17

Overview ................................................................................................................................................................... 17 4.2 Physical Characteristics................................................................................................................................... 17
Overview ...................................................................................................................................................................17 4.2 物理特性...................................................................................................................................17

Relief ......................................................................................................................................................................... 17
Relief .........................................................................................................................................................................17

Drainage ....................................................................................................................................................................17

Soils ........................................................................................................................................................................... 18
Soils ...........................................................................................................................................................................18

Climate ...................................................................................................................................................................... 19
Climate ......................................................................................................................................................................19

Seasonal Variations ................................................................................................................................................ 19
Seasonal Variations ................................................................................................................................................19

Average Temperature ............................................................................................................................................. 20
平均气温 ............................................................................................................................................. 20

Sunshine ................................................................................................................................................................... 20

Cloud Cover ............................................................................................................................................................. 21
云层覆盖 ............................................................................................................................................................. 21

Humidity................................................................................................................................................................... 22
湿度................................................................................................................................................................... 22

Wind ......................................................................................................................................................................... 22
风 ......................................................................................................................................................................... 22

Rainfall in Mazabuka & Siavonga (Lusitu) ....................................................................................................... 23
Mazabuka 和 Siavonga(Lusitu)的降雨量 ....................................................................................................... 23

4.2.5 Geology ....................................................................................................................................................................... 23 4.2.6 Seismicity ...................................................................................................................................................................... 25
4.2.5 地质 ....................................................................................................................................................................... 23 4.2.6 地震 ...................................................................................................................................................................... 25

4.3 Social Economic Environment .............................................................................................................................. 26
4.3 社会经济环境 .............................................................................................................................. 26

Local Administration ............................................................................................................................................. 26
地方行政 ............................................................................................................................................. 26

SOLAR PV YIELD ASSESSMENT..................................................................................................................... 28
太阳能光伏产量评估..................................................................................................................... 28

Overview ................................................................................................................................................................... 28
概述 ................................................................................................................................................................... 28

Solar PV Technology Analysis ............................................................................................................................ 28
太阳能光伏技术分析 ............................................................................................................................ 28

PV Module Technology ....................................................................................................................................... 28
光伏组件技术 ....................................................................................................................................... 28

Inverter Technology ............................................................................................................................................... 35
变频技术 ...............................................................................................................................................35

DC and AC Cables ................................................................................................................................................. 37
直流和交流电缆 .................................................................................................................................................37

Performance of Solar PV Power Plants .............................................................................................................. 38
太阳能光伏发电站的性能 ..............................................................................................................38

Performance Ratio .................................................................................................................................................. 38
性能比 ..................................................................................................................................................38

Specific Yield ........................................................................................................................................................... 38
比产量 ...........................................................................................................................................................38

Capacity Factor........................................................................................................................................................ 38
容量系数........................................................................................................................................................38

Considerations for Solar Resource Assessment ................................................................................................ 39
太阳能资源评估考虑因素 ................................................................................................39

Variability in Solar Irradiation ............................................................................................................................. 39
太阳辐照变化 .............................................................................................................................39

Data Sources ............................................................................................................................................................ 39
数据来源 ............................................................................................................................................................39

Data Source Validation Procedures .................................................................................................................... 40
数据源验证程序 ....................................................................................................................40

Simulation ................................................................................................................................................................ 42
模拟 ................................................................................................................................................................42

PV Plant Losses ...................................................................................................................................................... 43
光伏电站损耗 ......................................................................................................................................................43

Uncertainty Estimation ......................................................................................................................................... 45 5.5 Yield Assessment for the GTL Solar PV Power Project.......................................................................... 46
不确定性估计 .........................................................................................................................................45 5.5 GTL 太阳能光伏发电项目产量评估..........................................................................46

5.5.1 Meteorological Data................................................................................................................................................. 46 5.5.2 Optimisation of Tilt and Azimuth ....................................................................................................................... 46 5.5.3 Simulation Model ....................................................................................................................................................... 47
5.5.1 气象数据.................................................................................................................................................46 5.5.2 倾角和方位角的优化 .......................................................................................................................46 5.5.3 仿真模型 .......................................................................................................................................................47

5.5.4 System Losses ............................................................................................................................................................ 47 5.5.5 Annual Performance Data ....................................................................................................................................... 48 5.5.6 Loss Diagram ............................................................................................................................................................... 49
5.5.4 系统损耗 ............................................................................................................................................................47 5.5.5 年度性能数据 .......................................................................................................................................48 5.5.6 损耗图 ...............................................................................................................................................................49

Hourly Generation Profile .................................................................................................................................... 49
每小时发电概况 ....................................................................................................................................49

Production Probability Forecast .......................................................................................................................... 51
生产概率预测 ..........................................................................................................................51

PRELIMINARY DESIGN AND PLANT LAYOUT.................................................................................... 53
初步设计和工厂布局....................................................................................53

Codes and Standards .............................................................................................................................................. 53 6.2 Technical Solution........................................................................................................................................... 53 6.2.1General............................................................................................................................................................. 53
法规和标准 ..............................................................................................................................................53 6.2 技术解决方案...........................................................................................................................................53 6.2.1 概述............................................................................................................................................................53

Solar PV Modules .................................................................................................................................................. 53
太阳能光伏组件 ..................................................................................................................................................53

Mounting Structure ................................................................................................................................................ 56 6.2.4 Areas Occupied by the Solar PV Modules .............................................................................................. 57 6.2.5 Power Inverter ............................................................................................................................................... 57
安装结构 ................................................................................................................................................56 6.2.4 太阳能光伏组件占用的区域 .............................................................................................57 6.2.5 电源 逆变器 ............................................................................................................................................... 57

6.2.6 Cable Requirements ................................................................................................................................................. 59 6.2.7 Transformer Stations ................................................................................................................................................. 59
6.2.6 电缆要求 .................................................................................................................................................59 6.2.7 变压器站 .................................................................................................................................................. 59

6.3 Output from the Plant ............................................................................................................................................. 62
6.3 工厂产出 .............................................................................................................................................62

Meteorological Data................................................................................................................................................62
气象数据................................................................................................................................................62

Energy Yield............................................................................................................................................................. 62
Energy Yield.............................................................................................................................................................62

6.4 Plant Layout ............................................................................................................................................................... 63
6.4厂房布局 ...............................................................................................................................................................63

6.4.1 Solar PV Modules .................................................................................................................................................... 63 6.4.2 Mounting Structure ................................................................................................................................................... 64
6.4.1 太阳能光伏组件 ....................................................................................................................................................63 6.4.2 安装结构 .................................................................................................................................................. 64

Power Inverters ....................................................................................................................................................... 64
电源转换器 .......................................................................................................................................................64

MV Transformers .................................................................................................................................................. 64
中压变压器 ..................................................................................................................................................64

33/0.8 kV Substations ......................................................................................................................................... 64
33/0.8 千伏变电站 .........................................................................................................................................64

220/33 kV Substations ........................................................................................................................................ 64
220/33 千伏变电站 ........................................................................................................................................64

6.5 Balance of Plant ......................................................................................................................................................... 64
6.5 设备余额 .........................................................................................................................................................64

Auxiliary Services .................................................................................................................................................... 64
辅助服务 ....................................................................................................................................................64

Communication ...................................................................................................................................................... 65
通信 ......................................................................................................................................................65

SCADA System ....................................................................................................................................................... 65
SCADA 系统 .......................................................................................................................................................65

Security System ....................................................................................................................................................... 65
安保系统 .......................................................................................................................................................65

Weather Monitoring .............................................................................................................................................. 65
天气监测 ..............................................................................................................................................65

Perimeter Fences...................................................................................................................................................... 66 6.5.7 Drainage System ........................................................................................................................................... 66
周边围栏......................................................................................................................................................66 6.5.7 排水系统 ...........................................................................................................................................66

6.6 Considerations for Construction Works ............................................................................................................ 66
6.6 建筑工程的注意事项 ............................................................................................................66

Access to Water ...................................................................................................................................................... 66
获取水 ......................................................................................................................................................66

Machinery and Labour Force ............................................................................................................................... 66
机械和劳动力 ...............................................................................................................................66

Construction Power ............................................................................................................................................... 66
建筑动力 ...............................................................................................................................................66

Transport and Logistics ........................................................................................................................................ 67
运输与物流 ........................................................................................................................................67

POWER EVACUATION....................................................................................................................................... 69
电源疏散.......................................................................................................................................69

Introduction ............................................................................................................................................................ 69
导言 ............................................................................................................................................................69

General....................................................................................................................................................................... 69
一般.......................................................................................................................................................................69

Power Generation by the Project ......................................................................................................................... 69
项目发电量 .........................................................................................................................69

Scope and Limitation of Study ............................................................................................................................ 69
研究范围和局限性 ............................................................................................................................69

Zambia National Grid ........................................................................................................................................... 70
赞比亚国家电网 ...........................................................................................................................................70

Electricity Generation in Zambia ........................................................................................................................ 70
赞比亚的发电量 ........................................................................................................................70

Transmission Network in Zambia....................................................................................................................... 70
赞比亚输电网络.......................................................................................................................70

Power Supply in the Project Areas ....................................................................................................................... 72 7.3 Power Evacuation Options ............................................................................................................................ 72
项目区的电力供应 .......................................................................................................................72 7.3 电力疏散方案 ............................................................................................................................72

7.3.1 Option 1: Single Line 220 kV Line into the 220/66 kV Zesco Substations ....................................... 73 7.3.2 Option 2: Three (03) 66 kV Lines to Wells Spring & Siavonga (Lusitu) Substations .............................. 74 7.3.3 Evaluation of the Power Evacuation Options ........................................................................................................ 75
7.3.1 方案 1:单线 220 千伏线路接入 220/66 千伏 Zesco 变电站 .......................................73 7.3.2 方案 2:三 (03) 条 66 千伏线路接入 Wells Spring 和 Siavonga (Lusitu) 变电站 ..............................74 7.3.3 电力疏散方案评估 .......................................................................................................75

7.3.4 Preferred Evacuation Option ................................................................................................................................. 75
7.3.4 首选疏散方案 .................................................................................................................................75

ENVIRONMENT ................................................................................................................................................... 76
环境 ...................................................................................................................................................76

Introduction ............................................................................................................................................................ 76
导言 ............................................................................................................................................................76

Project Description ................................................................................................................................................ 76
项目说明 ................................................................................................................................................76

Environmental Impact Assessment ..................................................................................................................... 76
环境影响评估 .....................................................................................................................76

Standards and Regulations for undertaking ESIA Studies ............................................................................. 77 8.2.1 Zambia Environmental Management Agency (ZEMA) ESIA Requirements.................................. 77 8.2.2 Equator Principles Financial Institutions (EPFIs) ESIA Requirements ........................................... 78 8.2.3 IFC Performance Standards on Social and Environmental Sustainability ........................................ 79
开展环境影响评估研究的标准和规定 .............................................................................77 8.2.1 赞比亚环境管理局(ZEMA)ESIA 要求..................................77 8.2.2 《赤道原则》金融机构 (EPFIs) 环境影响评估要求 ...........................................78 8.2.3 国际金融公司社会与环境可持续性绩效标准 ........................................79

Environmental Considerations for the Development of the Project ............................................................ 81
项目开发的环境考虑因素 ............................................................81

Scope of Works ...................................................................................................................................................... 81 8.3.2 Benefits of the Project .................................................................................................................................. 81 8.4 Anticipated Environmental and Socio Impacts of the Project ............................................................... 81
Scope of Works ......................................................................................................................................................81 8.3.2 项目的效益 ................................................................................................................................ 。81 8.4项目预期的环境和社会影响 ..............................................................81

8.4.1 Baseline Conditions .................................................................................................................................................. 82
8.4.1 基准线 条件 .................................................................................................................................................. 82

Physical Environment ............................................................................................................................................ 82

Ecological Resources ............................................................................................................................................. 83
Ecological Resources .............................................................................................................................................83

Socio-Economic and Cultural Issues .................................................................................................................. 85
Socio-Economic and Cultural Issues ..................................................................................................................85

8.4.2 Anticipated Negative Impacts ................................................................................................................................ 87
8.4.2 预期的负面 影响 ................................................................................................................................ 87

Physical Environment ............................................................................................................................................ 88

Biological Impact .................................................................................................................................................... 89
Biological Impact ....................................................................................................................................................89

Socio-Economic Impacts ...................................................................................................................................... 90

8.4.3 Proposed Mitigation Measures .............................................................................................................................. 90
8.4.3 建议的缓解措施 ..............................................................................................................................90

Physical Measures ................................................................................................................................................... 90
物理测量 ...................................................................................................................................................90

Biological Measures ................................................................................................................................................ 91
生物措施 ................................................................................................................................................91

Social Economic Measures ................................................................................................................................... 92
社会经济措施 ...................................................................................................................................92

Anticipated Positive Impacts ................................................................................................................................ 92
预期的积极影响 ................................................................................................................................92

Environmental Compliance and Permitting of the Project ............................................................................ 93
项目的环境合规和许可 ............................................................................93

Required Project compliance with IFC Performance Standards ................................................................... 93
要求项目符合国际金融中心绩效标准 ...................................................................93

Required Project compliance with ZEMA ........................................................................................................ 93
要求项目符合 ZEMA ........................................................................................................93

Other Environmental and Natural Resources Permits .................................................................................... 93
其他环境和自然资源许可证 ....................................................................................93

SCHEDULE ............................................................................................................................................................... 97
时间表 ...............................................................................................................................................................97

Schedule Assumptions ........................................................................................................................................... 97
附表假设 ...........................................................................................................................................97

Key Milestones ........................................................................................................................................................ 97
重要里程碑 ........................................................................................................................................................97

COST ESTIMATES ................................................................................................................................................. 98
费用估算 .................................................................................................................................................98

General....................................................................................................................................................................... 98
一般.......................................................................................................................................................................98

Solar PV Plant Capital Cost ................................................................................................................................. 98
太阳能光伏电站资本成本 .................................................................................................................................98

Cost of Solar PV Modules .................................................................................................................................... 98
太阳能光伏组件的成本 ....................................................................................................................................98

Balance of System Cost (BOS) ............................................................................................................................. 99
系统平衡成本 (BOS) .............................................................................................................................99

PV Installation Costs ............................................................................................................................................. 99
光伏安装成本 .............................................................................................................................................99