Electrical Power for Valdez and the Copper River Basin-1981

TABLE VIII-3Summary Cost EstimateOctober 1978 Prices from March 19}9 Susitna Power Market Study(Inflated 10% t~ October 1980)*Rai1be1t Area (Palmer) to Glennallen Intertie138 kV; 136 miles; 50,000 MWh. at 8 MW and 70 percent load factor.T~ansmission Line ($33,100,000 + 10%)$36,410.000Switchyards and Substatioris ($4,800,000 + 10%)Subtotal·Interest During Construction ($2,900,000 + 10%)Total Investment CostAverage Annual Cost (8%; 50 years)= Total Investment X 0.081743Operation, Maintenance, and Replacement ($131,000 + 10%)Total Average Annual Cost $= 7.6¢/kWhCost of Rai1belt energyTotal Cost5,280,00041,690,0003,190,000$44,880,0003,669,000144,0003,813,0005¢ to 6¢/kWh**12.5¢ to 14¢/kWh* The. Corps of Engineers inflated the powerp1ant and transmission linecosts of Allison Creek, alternative two, about 10% between January 1979and October 1980. Alternative one costs were decreased in that period.** Wholesale energy prices in the Anchorage area were about 1.5¢/kWh in1979. See also Table VIII-3A.43