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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 336<br />

Annex 6.1<br />

Mount Coffee Hydropower Plant<br />

Economic Analysis<br />

Discount rate 10%, Base construction cost, Base tariff, Sale of full production 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 14.25 US cts/kWh<br />

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

Base Project cost 164.1 Million $ Applied Tariff 14.25 US cts/kWh<br />

Per cent Base Project cost 100.00% Results<br />

Applied Project cost 164.1 Million $ Discount rate 10.00%<br />

Annual O & M cost 1% 1.641 Million $ Production costs 5.89 US cts/kWh<br />

Net Present Value 193.729 Million $<br />

Internal rate return 21.68%<br />

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

-4 0.0 0.0 23.959 0.0 23.959 -23.959 35.078<br />

-3 0.0 0.0 27.897 0.0 27.897 -27.897 37.131<br />

-2 0.0 0.0 62.194 0.0 62.194 -62.194 75.255<br />

-1 0.0 0.0 49.394 0.0 49.394 -49.394 54.334<br />

1 285.6 40.698 0.656 1.313 1.969 38.729 285.6 203.766<br />

2 303.5 43.242 1.395 1.395 41.847 303.5 1.395<br />

3 321.3 45.785 1.477 1.477 44.308 321.3 1.477<br />

4 339.2 48.329 1.559 1.559 46.770 339.2 1.559<br />

5 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

6 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

7 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

8 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

9 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

10 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

11 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

12 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

40 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

41 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

42 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

43 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

44 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

45 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

46 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

47 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

48 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

49 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

50 357.0 50.873 1.641 1.641 49.232 357.0 1.641<br />

Sum 17'672 2'518.19 164.100 81.230 245.330 2'272.859 17'672 283.683<br />

PV 2'316.4 330.084 125.708 10.648 136.355 193.729 3'391.4 199.637<br />

5.89

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