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Appendix 5

Calibration report of EGplant Watt-hour meters

1. Chinese version, 2008-08-28

2. Chinese version, 2007-08-30

3. Chinese version, 2006-09-12

4. English translation, 2008-08-28

5. English translation, 2007-08-30

6. English translation, 2006-09-12

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Meter Calibration Report for Energy Meter

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Xiaogushan. Hydropower Plant (XHP) in Heihe River

Installation Site: Main Control Room of XHP

Spacing Name: 1# unit Manufacturer: Long Dian

Serial Number:00275326 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio (A): 3000/1 PT Ratio: 10KV/100V

Phase Line: 3*3 Standard: AP-2300

Site Parameter:

Base Reading for active power (kwh):1501.02

Base Reading for reactive power (K varh):349.51Testing Temperature: 21 Testing Humidity: 66%

Phase Difference AB(V) CB(V)

Phase Voltage(V) 103 103

Phase Current(A) 0.7 0.8

Phase Angle() +38 +338

PowerFactor (COS) 0.99 0.99

Vector Diagram:

Measurement Error (%): P: 0

Q: +0.5Conclusion: Qualified

Customer Representative:

Verifier: Tang Jianjun, Zhao Xiangfei Calibration Date: August 28th, 2008

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Meter Calibration Report for Energy Meter

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Xiaogushan. Hydropower Plant (XHP) in Heihe River

Installation Site: Main Control Room of XHP

Spacing Name: 2# unit Manufacturer: Long Dian

Serial Number:00275317 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A): 3000/1 PT Ratio: 10KV/100V

Phase Line: 3*3 Standard: AP-2300

Field Parameter:

Base Reading for active power (kwh):1166.81

Base Reading for reactive power (K varh):241.09Testing Temperature: 21 Testing Humidity: 66%

Phase Difference AB(V) CB(V)

Phase Voltage(V) 104 104

Phase Current(A) 0.8 0.8

Phase Angle() +38 +340

Power Factor(COS) 0.98 0.98

Vector Diagram:

Measurement Error (%): P: 0

Q: +0.9Conclusion: Qualified

Customer Representative:

Verifier: Tang Jianjun, Zhao Xiangfei Calibration Date: August 28th, 2008

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Meter Calibration Report for Energy Meter

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Xiaogushan. Hydropower Plant (XHP) in Heihe River

Installation Site: Main Control Room of XHP

Spacing Name: 3# unit Manufacturer: Long Dian

Serial Number:00275318 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A):2000/1 PT Ratio: 10KV/100V

Phase Line: 3*3 Standard: AP-2300

Field Parameter:

Base Reading for active power (kwh):1051.18

Base Reading for reactive power (K varh):369.85Testing Temperature: 21 Testing Humidity: 66%

Phase Difference AB(V) CB(V)

Phase Voltage(V) 104 104

Phase Current(A) 0.5 0.5

Phase Angle() +45 +346

Power Factor(COS) 0.97 0.97

Vector Diagram:

Measurement Error (%): P: 0

Q: +0.1Conclusion: Qualified

Customer Representative:

Verifier: Tang Jianjun, Zhao Xiangfei Calibration Date: August 28th, 2008

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Meter Calibration Report for Xiaogushan

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Heihe Substation of Xiaogushan. HPP.

Installation Site: Main Control Room

Spacing Name: NO.1 generator Manufacturer: Long Dian

Serial Number:00275326 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A): 3000/1 PT Ratio: 10KV/100

Phase Line: 3*3 Standard: SB2300

Test Humidity: 40% Test Temperature:20

Phase Difference AB CBPhase Voltage(V) 101 102

Phase Current(A) 1.0 1.0

Phase Angle() 49 350

Power

Factor(COS)

0.99 0.99

Vector Diagram:

Measurement Error (%):+0.2

Conclusion: QualifiedCustomer Representative:

Verifier: Lou Ming, Zhao Xiangfei Calibration Date: August 30th, 2007

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Meter Calibration Report for Xiaogushan

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Heihe Substation of Xiaogushan. HPP.

Installation Site: Main Control Room

Spacing Name: NO.2 generator Manufacturer: Long Dian

Serial Number:00275317 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A): 3000/1 PT Ratio: 10KV/100

Phase Line: 3*3 Standard: SB2300

Test Humidity: 40% Test Temperature:20

Phase Difference AB CBPhase Voltage(V) 101 101

Phase Current(A) 0.9 0.9

Phase Angle() 48 351

Power

Factor(COS)

0.99 0.99

Vector Diagram:

Measurement Error (%):+0.2

Conclusion: QualifiedCustomer Representative:

Verifier: Lou Ming, Zhao Xiangfei Calibration Date: August 30th, 2007

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Meter Calibration Report for Xiaogushan

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Heihe Substation of Xiaogushan. HPP.

Installation Site: Main Control Room

Spacing Name: NO.3 generator Manufacturer: Long Dian

Serial Number:00275318 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A): 3000/1 PT Ratio: 10KV/100

Phase Line: 3*3 Standard: SB2300

Test Humidity: 40% Test Temperature:20

Phase Difference AB CB

Phase Voltage(V) 100 100

Phase Current(A) 0.5 0.5

Phase Angle() 38 335

Power

Factor(COS)

0.98 0.98

Vector Diagram:

Measurement Error (%):+0.3

Conclusion: Qualified

Customer Representative:

Verifier: Lou Ming, Zhao Xiangfei Calibration Date: August 30th, 2007

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Meter Calibration Report for Xiaogushan

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Heihe Substation of Xiaogushan. HPP.

Installation Site: Main Control Room

Spacing Name: NO.1generator Manufacturer: Long Dian

Serial Number:00275326 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A): 3000/1 PT Ratio: 10KV/100

Phase Line: 3*3 Standard: SB2300

Test Humidity: 40% Test Temperature:20

Phase Difference AB CBPhase Voltage(V) 101 102

Phase Current(A) 0.9 0.9

Phase Angle() 45 344

Power

Factor(COS)

0.98 0.98

Vector Diagram:

Measurement Error (%):+0.3

Conclusion: Qualified

Customer Representative:

Verifier: Lou Ming, Zhao Xiangfei Calibration Date: September 12th, 2006

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Meter Calibration Report for Xiaogushan

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Heihe Substation of Xiaogushan. HPP.

Installation Site: Main Control Room

Spacing Name: NO.2generator Manufacturer: Long Dian

Serial Number:00275317 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A): 3000/1 PT Ratio: 10KV/100Phase Line: 3*3 Standard: SB2300

Test Humidity: 40% Test Temperature:20

Phase Difference AB CB

Phase Voltage(V) 101 102

Phase Current(A) 0.85 0.85

Phase Angle() 46 349

Power

Factor(COS)

0.98 0.98

Vector Diagram:

Measurement Error (%):+0.3

Conclusion: Qualified

Customer Representative:

Verifier: Lou Ming, Zhao Xiangfei Calibration Date: September 12th, 2006

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Meter Calibration Report for Xiaogushan

Prepared by Metering Center of Zhangye Power Grid Company

Location Name: Heihe Substation of Xiaogushan. HPP.

Installation Site: Main Control Room

Spacing Name: NO.3generator Manufacturer: Long Dian

Serial Number:00275318 Model Number: DSSD51-E2

Grade: 0.5 Constant (imp/kwh):10000

CT Ratio(A): 3000/1 PT Ratio: 10KV/100

Phase Line: 3*3 Standard: SB2300

Test Humidity: 40% Test Temperature:20

Phase Difference AB CBPhase Voltage(V) 101 101

Phase Current(A) 0.6 0.6

Phase Angle() 42 340

Power

Factor(COS)

0.97 0.97

Vector Diagram:

Measurement Error (%):+0.2

Conclusion: Qualified

Customer Representative:

Verifier: Lou Ming, Zhao Xiangfei Calibration Date: September 12th, 2006

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