EXHIBIT 15.1

Calculation of Effective Tariff and Effective Utilization Rate

|                 |  |                                                    |  |                    |  |                            |  |                       |  |              |               |          |  |                        |  |                                
|---------------- |  | -------------------------------------------------- |  | ------------------ |  | -------------------------- |  | --------------------- |  | ------------ | ------------- | -------- |  | ---------------------- |  | -------------------------------
|                 |  |                                                    |  | TotalRevenues(RMB) |  | TotalElectricitySold (kWh) |  | InstalledCapacity(MW) |  | Numberofdays |               | TaxRate* |  | EffectiveTariff**(RMB) |  | EffectiveUtilizationRate*** (%)
|Our Company      |  | the year ended
      Dec 31, 2008                  |  |                    |  | 110,076,549                |  |                       |  |              | 333,964,005   |          |  |                        |  | 271.0                          
|                 |  | the year ended
      Dec 31, 2009                  |  |                    |  | 247,120,130                |  |                       |  |              | 798,945,372   |          |  |                        |  | 376.6                          
|                 |  | the year ended
      Dec 31, 2010                  |  |                    |  | 448,218,584                |  |                       |  |              | 1,480,742,042 |          |  |                        |  | 548.8                          
|Binglangjiang I  |  | the year ended
      Dec 31, 2006                  |  |                    |  | 16,472,000                 |  |                       |  |              | 106,646,530   |          |  |                        |  | 21.0                           
|                 |  | the period ended
      Apr 24, 2007                |  |                    |  | 4,433,000                  |  |                       |  |              | 23,495,595    |          |  |                        |  | 21.0                           
|                 |  | the period from
      Apr 25 to Dec 31,
      2007 |  |                    |  | 12,988,764                 |  |                       |  |              | 88,545,602    |          |  |                        |  | 21.0                           
|                 |  | the year ended
      Dec 31, 2007                  |  |                    |  | 17,421,764                 |  |                       |  |              | 112,041,197   |          |  |                        |  | 21.0                           
|                 |  | the year ended
      Dec 31, 2008                  |  |                    |  | 19,410,025                 |  |                       |  |              | 117,278,061   |          |  |                        |  | 21.0                           
|                 |  | the year ended
      Dec 31, 2009                  |  |                    |  | 16,556,208                 |  |                       |  |              | 95,514,582    |          |  |                        |  | 21.0                           
|                 |  | the year ended
      Dec 31, 2010                  |  |                    |  | 16,818,484                 |  |                       |  |              | 94,591,565    |          |  |                        |  | 21.0                           
|Binglangjiang II |  | the year ended
      Dec 31, 2009                  |  |                    |  | 3,706,529                  |  |                       |  |              | 29,141,455    |          |  |                        |  | 20.0                           
|                 |  | the year ended
      Dec 31, 2010                  |  |                    |  | 11,386,666                 |  |                       |  |              | 64,041,599    |          |  |                        |  | 20.0                           
|Liyuan           |  | the period from
      May 21 to Dec
      31, 2007 |  |                    |  | 5,405,584                  |  |                       |  |              | 19,758,343    |          |  |                        |  | 12.0                           
|                 |  | the year ended
      Dec 31, 2007                  |  |                    |  | 5,405,584                  |  |                       |  |              | 19,758,343    |          |  |                        |  | 12.0                           
|                 |  | the year ended
      Dec 31, 2008                  |  |                    |  | 6,866,482                  |  |                       |  |              | 25,098,176    |          |  |                        |  | 12.0                           
|                 |  | the year ended
      Dec 31, 2009                  |  |                    |  | 6,411,614                  |  |                       |  |              | 23,435,555    |          |  |                        |  | 12.0                           
|                 |  | the year ended
      Dec 31, 2010                  |  |                    |  | 4,436,922                  |  |                       |  |              | 16,217,714    |          |  |                        |  | 12.0                           
|Yingchuan        |  | the year ended
      Dec 31, 2006                  |  |                    |  | 38,925,000                 |  |                       |  |              | 97,116,588    |          |  |                        |  | 40.0                           
|                 |  | the year ended
      Dec 31, 2007                  |  |                    |  | 42,998,000                 |  |                       |  |              | 102,700,957   |          |  |                        |  | 40.0                           
|                 |  | the period from
      Jan 31 to Dec 31,
      2008 |  |                    |  | 37,594,669                 |  |                       |  |              | 90,254,137    |          |  |                        |  | 40.0                           
|                 |  | the year ended
      Dec 31, 2008                  |  |                    |  | 37,659,160                 |  |                       |  |              | 90,768,127    |          |  |                        |  | 40.0                           
|                 |  | the year ended
      Dec 31, 2009                  |  |                    |  | 44,925,331                 |  |                       |  |              | 107,225,642   |          |  |                        |  | 40.0                           
|                 |  | the year ended
      Dec 31, 2010                  |  |                    |  | 56,172,286                 |  |                       |  |              | 138,329,823   |          |  |                        |  | 40.0                           
|Wuliting         |  | the year ended
      Dec 31, 2007                  |  |                    |  | 27,532,000                 |  |                       |  |              | 65,423,294    |          |  |                        |  | 42.0                           
|                 |  | the period from
      Jan 31 to Dec 31,
      2008 |  |                    |  | 29,946,906                 |  |                       |  |              | 69,232,680    |          |  |                        |  | 42.0                           
|                 |  | the year ended
      Dec 31, 2008                  |  |                    |  | 30,371,102                 |  |                       |  |              | 70,224,000    |          |  |                        |  | 42.0                           
|                 |  | the year ended
      Dec 31, 2009                  |  |                    |  | 40,143,784                 |  |                       |  |              | 92,554,440    |          |  |                        |  | 42.0                           
|                 |  | the year ended
      Dec 31, 2010                  |  |                    |  | 61,927,235                 |  |                       |  |              | 148,943,520   |          |  |                        |  | 42.0                           



---

TotalRevenues(RMB)
    
    TotalElectricitySold (kWh)
    
    InstalledCapacity(MW)
    
    Numberofdays
    
    TaxRate*
    
    EffectiveTariff**(RMB)
    
    EffectiveUtilizationRate*** (%)Jiulongshan
    
    the year ended
      Dec 31, 2009
    
    
    
    27,124,666
    
    
    
    
    73,964,924
    
    
    
    
    37.6
    (1)
    
    
    
    
    280
    
    
    
    
    1.17
    
    
    
    
    0.43
    
    
    
    
    20.0the year ended
      Dec 31, 2010
    
    
    
    27,706,976
    
    
    
    
    69,618,958
    
    
    
    
    37.6
    (1)
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.47
    
    
    
    
    21.1Zhougongyuan
    
    the year ended
      Dec 31, 2009
    
    
    
    1,197,109
    
    
    
    
    2,934,316
    
    
    
    
    16.0
    (1)
    
    
    
    
    61
    
    
    
    
    1.17
    
    
    
    
    0.48
    
    
    
    
    12.5the year ended
      Dec 31, 2010
    
    
    
    16,976,305
    
    
    
    
    41,837,946
    
    
    
    
    16.0
    (1)
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.47
    
    
    
    
    29.9Ruiyang
    
    the year ended
      Dec 31, 2007
    
    
    
    31,513,675
    
    
    
    
    68,645,855
    
    
    
    
    32.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.49
    
    
    
    
    24.5the year ended
      Dec 31, 2008
    
    
    
    22,862,842
    
    
    
    
    51,237,120
    
    
    
    
    32.0
    
    
    
    
    366
    
    
    
    
    1.06
    
    
    
    
    0.47
    
    
    
    
    18.2the period from
      Jan 1 to Aug 19,
      2009
    
    
    
    24,167,675
    
    
    
    
    55,261,800
    
    
    
    
    32.0
    
    
    
    
    231
    
    
    
    
    1.06
    
    
    
    
    0.46
    
    
    
    
    31.1the period from
      Aug 20 to Dec 31,
      2009
    
    
    
    3,109,994
    
    
    
    
    7,191,974
    
    
    
    
    32.0
    
    
    
    
    134
    
    
    
    
    1.06
    
    
    
    
    0.46
    
    
    
    
    6.1The year ended
      Dec 31, 2009
    
    
    
    27,277,669
    
    
    
    
    62,453,774
    
    
    
    
    32.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.46
    
    
    
    
    22.3The year ended
      Dec 31, 2010
    
    
    
    31,933,990
    
    
    
    
    77,819,280
    
    
    
    
    32.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.43
    
    
    
    
    27.8Shapulong
    
    the period from
      Jan 1 to Dec 24,
      2007
    
    
    
    18,313,000
    
    
    
    
    43,292,057
    
    
    
    
    25.0
    
    
    
    
    358
    
    
    
    
    1.06
    
    
    
    
    0.45
    
    
    
    
    20.2the year ended
      Dec 31, 2008
    
    
    
    17,723,482
    
    
    
    
    42,308,157
    
    
    
    
    25.0
    
    
    
    
    366
    
    
    
    
    1.06
    
    
    
    
    0.44
    
    
    
    
    19.3the period from
      Jan 1 to Aug 2,
      2009
    
    
    
    9,702,244
    
    
    
    
    22,279,828
    
    
    
    
    25.0
    
    
    
    
    215
    
    
    
    
    1.06
    
    
    
    
    0.44
    
    
    
    
    17.3the period from
      Aug 3 to Dec 31,
      2009
    
    
    
    7,581,398
    
    
    
    
    18,351,068
    
    
    
    
    25.0
    
    
    
    
    150
    
    
    
    
    1.06
    
    
    
    
    0.44
    
    
    
    
    20.0the year ended
      Dec 31, 2009
    
    
    
    17,283,642
    
    
    
    
    40,630,896
    
    
    
    
    25.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.44
    
    
    
    
    18.6the year ended
      Dec 31, 2010
    
    
    
    26,947,680
    
    
    
    
    64,624,002
    
    
    
    
    25.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.44
    
    
    
    
    29.5Banzhu
    
    the year ended
      Dec 31, 2006
    
    
    
    55,561,000
    
    
    
    
    180,461,022
    
    
    
    
    45.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.36
    
    
    
    
    45.8the year ended
      Dec 31, 2007
    
    
    
    52,029,000
    
    
    
    
    169,092,862
    
    
    
    
    45.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.36
    
    
    
    
    42.9the year ended
      Dec 31, 2008
    
    
    
    47,872,768
    
    
    
    
    155,536,410
    
    
    
    
    45.0
    
    
    
    
    366
    
    
    
    
    1.17
    
    
    
    
    0.36
    
    
    
    
    39.3the year ended
      Dec 31, 2009
    
    
    
    38,972,232
    
    
    
    
    126,659,753
    
    
    
    
    45.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.36
    
    
    
    
    32.1the year ended
      Dec 31, 2010
    
    
    
    57,011,622
    
    
    
    
    185,287,772
    
    
    
    
    45.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.36
    
    
    
    
    47.0Wangkeng
    
    the year ended
      Dec 31, 2006
    
    
    
    40,242,000
    
    
    
    
    151,882,677
    
    
    
    
    40.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.31
    
    
    
    
    43.3the year ended
      Dec 31, 2007
    
    
    
    31,475,000
    
    
    
    
    118,792,231
    
    
    
    
    40.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.31
    
    
    
    
    33.9the year ended
      Dec 31, 2008
    
    
    
    34,237,226
    
    
    
    
    129,217,917
    
    
    
    
    40.0
    
    
    
    
    366
    
    
    
    
    1.17
    
    
    
    
    0.31
    
    
    
    
    36.8the year ended
      Dec 31, 2009
    
    
    
    28,713,380
    
    
    
    
    108,369,852
    
    
    
    
    40.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.31
    
    
    
    
    30.9the year ended
      Dec 31, 2010
    
    
    
    48,704,698
    
    
    
    
    183,820,955
    
    
    
    
    40.0
    
    
    
    
    365
    
    
    
    
    1.17
    
    
    
    
    0.31
    
    
    
    
    52.5

TotalRevenues(RMB)
    
    TotalElectricitySold (kWh)
    
    InstalledCapacity(MW)
    
    Numberofdays
    
    TaxRate*
    
    EffectiveTariff**(RMB)
    
    EffectiveUtilizationRate*** (%)Yuanping
    
    the year ended
      Dec 31, 2007
    
    
    
    6,274,209
    
    
    
    
    30,071,595
    
    
    
    
    16.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.22
    
    
    
    
    21.5the year ended
      Dec 31, 2008
    
    
    
    8,004,678
    
    
    
    
    38,393,478
    
    
    
    
    16.0
    
    
    
    
    366
    
    
    
    
    1.06
    
    
    
    
    0.22
    
    
    
    
    27.3the year ended
      Dec 31, 2009
    
    
    
    12,624,433
    
    
    
    
    44,316,824
    
    
    
    
    16.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.27
    
    
    
    
    31.6the year ended
      Dec 31, 2010
    
    
    
    22,682,552
    
    
    
    
    82,908,637
    
    
    
    
    16.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.29
    
    
    
    
    59.2Yuheng
    
    the year ended
      Dec 31, 2007
    
    
    
    9,384,000
    
    
    
    
    54,955,750
    
    
    
    
    30.0
    
    
    
    
    228
    
    
    
    
    1.06
    
    
    
    
    0.18
    
    
    
    
    33.5the period from
      Jan 1 to Oct 20,
      2008
    
    
    
    14,154,407
    
    
    
    
    82,893,211
    
    
    
    
    30.0
    
    
    
    
    294
    
    
    
    
    1.06
    
    
    
    
    0.18
    
    
    
    
    39.2the period from
      Oct 21 to Dec 31,
      2008
    
    
    
    2,180,392
    
    
    
    
    8,090,245
    
    
    
    
    30.0
    
    
    
    
    72
    
    
    
    
    1.06
    
    
    
    
    0.29
    
    
    
    
    15.6the year ended
      Dec 31, 2008
    
    
    
    16,334,799
    
    
    
    
    90,983,456
    
    
    
    
    30.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.19
    
    
    
    
    34.6the year ended
      Dec 31, 2009
    
    
    
    16,053,453
    
    
    
    
    69,284,988
    
    
    
    
    30.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.29
    
    
    
    
    26.4the year ended
      Dec 31, 2010
    
    
    
    34,445,274
    
    
    
    
    134,173,611
    
    
    
    
    30.0
    
    
    
    
    365
    
    
    
    
    1.06
    
    
    
    
    0.27
    
    
    
    
    51.1Husahe
    
    the year ended
      Dec 31, 2010
    
    
    
    11,413,357
    
    
    
    
    66,801,125
    
    
    
    
    18.7
    
    
    
    
    257
    
    
    
    
    1.06
    
    
    
    
    0.18
    
    
    
    
    57.9Zilenghe
    
    the year ended
      Dec 31, 2010
    
    
    
    7,730,041
    
    
    
    
    46,546,038
    
    
    
    
    25.2
    
    
    
    
    193
    
    
    
    
    1.06
    
    
    
    
    0.18
    
    
    
    
    39.9Aluhe
    
    the year ended
      Dec 31, 2010
    
    
    
    2,316,881
    
    
    
    
    13,950,979
    
    
    
    
    10.0
    
    
    
    
    193
    
    
    
    
    1.06
    
    
    
    
    0.18
    
    
    
    
    30.1Latudi
    
    the year ended
      Dec 31, 2010
    
    
    
    3,730,075
    
    
    
    
    21,312,493
    
    
    
    
    18.9
    
    
    
    
    138
    
    
    
    
    1.06
    
    
    
    
    0.19
    
    
    
    
    34.0Xiaopengzu
    
    the year ended
      Dec 31, 2010
    
    
    
    5,877,644
    
    
    
    
    29,916,026
    
    
    
    
    44.0
    
    
    
    
    115
    
    
    
    
    1.06
    
    
    
    
    0.21
    
    
    
    
    24.6Qianling
    
    the year ended
      Dec 31, 2010
    
    
    
    N/A
    
    
    
    
    N/A
    
    
    
    
    10.0
    
    
    
    
    N/A
    
    
    
    
    1.06
    
    
    
    
    N/A
    
    
    
    
    N/AJinjiu
    
    the year ended
      Dec 31, 2010
    
    
    
    N/A
    
    
    
    
    N/A
    
    
    
    
    3.0
    
    
    
    
    N/A
    
    
    
    
    1.06
    
    
    
    
    N/A
    
    
    
    
    N/ADongguan
    
    the year ended
      Dec 31, 2010
    
    
    
    N/A
    
    
    
    
    N/A
    
    
    
    
    4.8
    
    
    
    
    N/A
    
    
    
    
    1.06
    
    
    
    
    N/A
    
    
    
    
    N/AJinlong
    
    the year ended
      Dec 31, 2010
    
    
    
    N/A
    
    
    
    
    N/A
    
    
    
    
    10.0
    
    
    
    
    N/A
    
    
    
    
    1.06
    
    
    
    
    N/A
    
    
    
    
    N/AJintang
    
    the year ended
      Dec 31, 2010
    
    
    
    N/A
    
    
    
    
    N/A
    
    
    
    
    11.6
    
    
    
    
    N/A
    
    
    
    
    1.06
    
    
    
    
    N/A
    
    
    
    
    N/AJinwei
    
    the year ended
      Dec 31, 2010
    
    
    
    N/A
    
    
    
    
    N/A
    
    
    
    
    16.0
    
    
    
    
    N/A
    
    
    
    
    1.06
    
    
    
    
    N/A
    
    
    
    
    N/AWeighted Average
      Utilization Rate
      for Consolidated
      Number 2008****
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    29.2
    %Weighted Average
      Utilization Rate
      for Consolidated
      Number 2009****
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    30.8
    %Weighted Average
      Utilization Rate
      for whole year
      Number 2008****
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    33.7
    %Weighted Average
      Utilization Rate
      for whole year
      Number 2009****
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    30.2
    %

*
    
    
    
    Tax rate = 1+VAT (VAT is 6% or 17%, as applicable)**
    
    
    
    Effective Tariff = Total Revenues / Total Electricity Sold *tax rate***
    
    
    
    Effective Utilization Rate=Total Electricity Sold / (Installed Capacity *1000*24*Number of Days)*100****
    
    
    
    Weighted Average Utilization Rate = (Total Sold KWh)/(Total Installed Capacity), with/without Shapulong*****
    
    
    
    Consolidated Utilization Rate=Total Electricity Sold/SUM(Installed Capacity(MW)*1000*24*Number of Days)*100(1)
    
    
    
    Jiulongshan and Zhougongyuan projects were split from Zhougongyuan projects in December 2009. The total installed capacity for Jiulongshan was 37.6 MW and for Zhougongyuan 16.0 MW.