Electrical Power for Valdez and the Copper River Basin-1981

Net EnergyThis section discusses the relationships between alternative generationand total energy load plus losses. Time scheduling of alternatives issomewhat different than for peak demand because the PRT'fOl, while equalin capacity to Allison Creek, have about 60 percent more energy capability.Figures VII-3 through VII-5 and, again, Tables VII-1 through VII-3 showthe energy load/resource analyses. Firm energy for Solomon Gulch andAllison Creek is depicted in the graphs and listed in the Tables.Average annual energy would add secondary generation as additionaldisplacement of diesel g~neration and as contirtgency supply. From anenergy standpoint, installation timing would not be affected in theinterconnected system if average annual was used in place of firm forthe analyses.~ith an interconnected system, generation in addition to Solomon Gulchis needed immediately to displace diesels. Allison Creek would be fullyloaded when it comes on line in 1985. The PRT's would gain full energyoutput by 1990.Figure VII-5 indicates existing generation, if operated at 75 percentplant factor, would meet the load until 1988. However, economics andnational policy, as stated in the recent national energy act, wouldpreclude this case.30