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Temperature - European Investment Bank

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WEST AFRICAN POWER POOL (WAPP) PÖYRY ENERGY LTD.<br />

Mount Coffee HPP ESIA and RAP 2012-09-18<br />

ESIA Report Page 346<br />

Annex 6.11<br />

Mount Coffee Hydropower Plant<br />

Economic Analysis<br />

Discount rate 8%, Construction cost +25%, Base tariff, Full sale in year 5<br />

Parameters Parameters<br />

Installed capacity 66 MW Project cost Year -4 14.60%<br />

Average annual energy 357 GWh Project cost Year -3 17.00%<br />

Sale Year 1 80.00% Project cost Year -2 37.90%<br />

Sale Year 2 85.00% Project cost Year -1 30.10%<br />

Sale Year 3 90.00% Project cost Year +1 0.40%<br />

Sale Year 4 95.00% Base tariff 14.00 US cts/kWh<br />

Sale Year 5 100.00% Per cent Base Tariff 100.00%<br />

Base Project cost 164.1 Million $ Applied Tariff 14.00 US cts/kWh<br />

Per cent Base Project cost 125.00% Results<br />

Applied Project cost 205.125 Million $ Discount rate 8.00%<br />

Annual O & M cost 1% 2.051 Million $ Production costs 5.91 US cts/kWh<br />

Net Present Value 250.547 Million $<br />

Internal rate return 17.82%<br />

Year Energy Revenue Proj cost O & M Tot cost Rev-Cost Energy Tot cost<br />

-4 0.0 0.0 29.948 0.0 29.948 -29.948 40.744<br />

-3 0.0 0.0 34.871 0.0 34.871 -34.871 43.928<br />

-2 0.0 0.0 77.742 0.0 77.742 -77.742 90.679<br />

-1 0.0 0.0 61.743 0.0 61.743 -61.743 66.682<br />

1 285.6 39.984 0.821 1.641 2.462 37.523 285.6 244.494<br />

2 303.5 42.483 1.744 1.744 40.739 303.5 1.744<br />

3 321.3 44.982 1.846 1.846 43.136 321.3 1.846<br />

4 339.2 47.481 1.949 1.949 45.532 339.2 1.949<br />

5 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

6 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

7 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

8 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

9 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

10 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

11 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

12 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

40 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

41 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

42 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

43 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

44 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

45 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

46 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

47 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

48 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

49 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

50 357.0 49.980 2.051 2.051 47.929 357.0 2.051<br />

Sum 17'672 2'474.01 205.125 101.537 306.662 2'167.348 17'672 344.390<br />

PV 3'097.3 433.625 165.282 17.797 183.078 250.547 4'213.9 249.076<br />

5.91

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