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Home My WebLink AboutATTACH~EAttachment F - Wind Power Screening - Ben/Cost Estimates draft:8-Oct-08 q's to:mafa@alaska.net Lake & Peninsula Regional Energy Screening Study TECHNOLOGY SCREENING STUDY WIND POWER SCREENING STUDY BENEFIT/COST ESTIMATES Preliminary Reconnaissance Level Estimate of Wind Turbine Capacity Requirements Wind Power Class 3 4 5 6 7 Wind Displacement of Total kWh - generated (pct) 20% 30% 40% 50% 60% Wind kW wind capacity / total kWh req'd 0.00013 0.00016 0.00019 0.00019 0.00017 Class kWhs/year 7 290,000 Pedro Bay 50 6 450,000 Kokhanok 90 6 650,000 Newhalen, Iliamna, Nondalton (diesel peaking kWhs) 120 4 230,000 Igiugig 40 5 400,000 Pilot Point 70 5 640,000 Port Alsworth 120 6 900,000 Chigniks 170 5 640,000 Egegik 120 4 620,000 Port Heiden 100 Total Annual WIND PROJECT BENEFITS FY07 PCE Annual $0.02 Value of Wind gal/kWh Displaced Long Run Value of Incremental Avoided Displaced Diesel Diesel Fuel Cost of Diesel Fuel Diesel O&M Diesel Fuel kWhs/year Diesel kWhs Efficiency Gallons Diesel Avoided Avoided & O&M 290,000 Pedro Bay 174,000 0.0694 12,083 $6.20 $74,917 $3,480 $78,397 450,000 Kokhanok 225,000 0.0806 18,145 $6.90 $125,202 $4,500 $129,702 650,000 Newhalen, Iliamna, Nondalton (diesel peaking kWhs) 325,000 0.0732 23,792 $5.60 $133,236 $6,500 $139,736 230,000 Igiugig 69,000 0.0935 6,449 $6.90 $44,495 $1,380 $45,875 400,000 Pilot Point 160,000 0.0895 14,324 $5.75 $82,363 $3,200 $85,563 640,000 Port Alsworth 256,000 0.0769 19,692 $5.50 $108,308 $5,120 $113,428 900,000 Chigniks 450,000 0.0930 41,860 $4.28 $179,163 $9,000 $188,163 640,000 Egegik 256,000 0.0769 19,692 $4.95 $97,477 $5,120 $102,597 620,000 Port Heiden 186,000 0.0833 15,500 $5.50 $85,250 $3,720 $88,970 WIND PROJECT PRELIMINARY COST ESTIMATES Installed Capital Annual Net Simple Turbine 5.0% Capacity Cost O&M Annual Benefit Payback Replacement EUAC kWhs/year (kW) ($) ($) ($) (years) Cost ($) B/C Ratio 290,000 Pedro Bay 65 $520,000 $11,700 $66,697 8 $162,500 2.0 450,000 Kokhanok 100 $800,000 $17,000 $112,702 7 $250,000 1.7 650,000 Newhalen, Iliamna, Nondalton (diesel peaking kWhs) 130 $1,040,000 $22,100 $117,636 9 $325,000 1.4 230,000 Igiugig 65 $487,500 $7,800 $38,075 13 $162,500 1.3 400,000 Pilot Point 65 $520,000 $10,400 $75,163 7 $162,500 1.2 640,000 Port Alsworth 130 $1,040,000 $20,800 $92,628 11 $325,000 1.1 900,000 Chigniks 200 $1,600,000 $34,000 $154,163 10 $500,000 1.1 640,000 Egegik 130 $1,040,000 $20,800 $81,797 13 $325,000 1.0 620,000 Port Heiden 100 $750,000 $12,000 $76,970 10 $250,000 1.1 Installed Capacity = Capacity Required Rounded up to nearest available turbine size or multiple thereof Wind Turbine Capacity Required lakepenenergyaea_grantoct08a WindP2 10/8/2008 2:46 PM