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Sellback to Nushagak report
System Report - NW100withThermal Sensitivity case System architecture Cost summary Net Present Costs Annualized Costs Diesel Price: 1.4 $/L Nushagak Coop. Power Price: 0.46 $/kWh Nushagak Coop. Sellback Rate: 0.05 $/kWh Wind turbine: 10 Northern Power NW100/19 Grid: 1,000 kW Total net present cost: 17,097,936 $ Levelized cost of energy: 0.197 $/kWh Operating cost: 854,897 $ Component Capital Replacement O&M Fuel Salvage Total ($) ($) ($) ($) ($) ($) Northern Power NW100/19 0 4,000,000 4,000,000 0 -2,666,667 5,333,333 Grid 0 0 2,587,265 0 0 2,587,265 Boiler 0 0 0 9,177,339 0 9,177,339 System 0 4,000,000 6,587,263 9,177,339 -2,666,667 17,097,936 Component Capital Replacement O&M Fuel Salvage Total ($/yr) ($/yr) ($/yr) ($/yr) ($/yr) ($/yr) Northern Power NW100/19 0 200,000 200,000 0 -133,333 266,667 Grid 0 0 129,363 0 0 129,363 Page 1 of 4System Report - NW100withThermal 9/25/2008file://C:\Documents and Settings\cwood\Local Settings\Temp\NW100withThermal.htm Annual electric energy production Annual electric energy consumption Boiler 0 0 0 458,867 0 458,867 System 0 200,000 329,363 458,867 -133,333 854,897 Component Production Fraction (kWh/yr) Wind turbines 2,473,951 75% Grid purchases 846,682 25% Total 3,320,633 100% Load Consumption Fraction (kWh/yr) AC primary load 2,014,800 71% Grid sales 811,042 29% Total 2,825,842 100% Variable Value Units Renewable fraction: 0.408 Excess electricity: 494,792 kWh/yr Unmet load: 0 kWh/yr Page 2 of 4System Report - NW100withThermal 9/25/2008file://C:\Documents and Settings\cwood\Local Settings\Temp\NW100withThermal.htm Annual thermal energy production AC Wind Turbine: Northern Power NW100/19 Grid Rate: Nushagak Coop. Capacity shortage: 0 kWh/yr Component Production Fraction (kWh/yr) Boiler 2,741,402 100% Total 2,741,402 100% Thermal load served: 2,741,402 kWh/yr Excess thermal energy: 0 kWh/yr Variable Value Units Total capacity: 1,000 kW Average output: 282 kW Minimum output: 0.00 kW Maximum output: 1,009 kW Wind penetration: 123 % Capacity factor: 28.2 % Hours of operation: 7,531 hr/yr Month Energy Purchased Energy Sold Net Purchases Peak Demand Energy Charge Demand Charge (kWh) (kWh) (kWh) (kW) ($) ($) Page 3 of 4System Report - NW100withThermal 9/25/2008file://C:\Documents and Settings\cwood\Local Settings\Temp\NW100withThermal.htm Emissions Jan 38,024 119,614 -81,590 230 -4,080 1,955 Feb 64,072 67,606 -3,534 230 -177 1,955 Mar 52,414 92,690 -40,276 230 -2,014 1,955 Apr 71,643 59,556 12,087 230 5,560 1,955 May 91,827 40,210 51,617 230 23,744 1,955 Jun 86,053 43,747 42,306 230 19,461 1,955 Jul 90,942 35,281 55,661 230 25,604 1,955 Aug 89,974 34,612 55,362 230 25,467 1,955 Sep 80,779 43,857 36,922 230 16,984 1,955 Oct 56,626 97,001 -40,375 230 -2,019 1,955 Nov 56,449 97,893 -41,444 230 -2,072 1,955 Dec 67,879 78,974 -11,096 230 -555 1,955 Annual 846,682 811,042 35,640 230 105,903 23,460 Pollutant Emissions (kg/yr) Carbon dioxide 889,739 Carbon monoxide 0 Unburned hydocarbons 0 Particulate matter 0 Sulfur dioxide 1,872 Nitrogen oxides 47.8 Page 4 of 4System Report - NW100withThermal 9/25/2008file://C:\Documents and Settings\cwood\Local Settings\Temp\NW100withThermal.htm