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HomeMy WebLinkAboutAttachment E Benefits Analysis ChigniksAttachment E - Benefits Analysis draft: q's to:Lake & Peninsula Regional Energy Screening Study CHIGNIKS - INDIAN CREEK HYDRO PRELIMINARY BENEFIT / COST RATIO All values are in 2008$ Hydro Power Avoided Costs 500 Capacity (kW)$4.36 /gallon long run diesel price 0.5 Annual Capacity Factor 0.0833 Diesel Efficiency (gallons/kWh) 0.94 Annual Availability $0.36 $/kWh avoided fuel 2,065,500 Estimated annual production (kWh)$0.02 $/kWh avoided diesel O&M $1,500 /kW Development Costs $15,000 /kW EPC Contract Cost 5.0%Real Discount Rate $120 /kW Annual O&M $50,000 5 year maintenance cycle 1.05 COSTS BENEFITS - AVOIDED DIESEL Date Year Development EPC Contract O&M Cost Total Cost NPV COSTS Avoided kWhs Annual Avoided Cost NPV Benefits Benefiit / Cost Ratio 2008 0 $300,000 $300,000 $8,221,111 $11,423,098 1.39 2009 1 $450,000 $450,000 2010 2 $2,500,000 $2,500,000 2011 3 $2,500,000 $2,500,000 2012 4 $2,500,000 $2,500,000 2013 5 $60,000 $60,000 1,000,000 $383,611 2014 6 $60,000 $60,000 1,050,000 $402,792 2015 7 $60,000 $60,000 1,102,500 $422,931 2016 8 $60,000 $60,000 1,157,625 $444,078 2017 9 $60,000 $60,000 1,215,506 $466,282 2018 10 $50,000 $60,000 $110,000 1,276,282 $489,596 2019 11 $60,000 $60,000 1,340,096 $514,076 2020 12 $60,000 $60,000 1,407,100 $539,779 2021 13 $60,000 $60,000 1,477,455 $566,768 2022 14 $60,000 $60,000 1,551,328 $595,107 2023 15 $50,000 $60,000 $110,000 1,628,895 $624,862 2024 16 $60,000 $60,000 1,710,339 $656,105 2025 17 $60,000 $60,000 1,795,856 $688,910 2026 18 $60,000 $60,000 1,885,649 $723,356 2027 19 $60,000 $60,000 1,979,932 $759,524 2028 20 $50,000 $60,000 $110,000 2,065,500 $792,349 2029 21 $60,000 $60,000 2,065,500 $792,349 2030 22 $60,000 $60,000 2,065,500 $792,349 2031 23 $60,000 $60,000 2,065,500 $792,349 2032 24 $60,000 $60,000 2,065,500 $792,349 2033 25 $50,000 $60,000 $110,000 2,065,500 $792,349 2034 26 $60,000 $60,000 2,065,500 $792,349 2035 27 $60,000 $60,000 2,065,500 $792,349 2036 28 $60,000 $60,000 2,065,500 $792,349 2037 29 $60,000 $60,000 2,065,500 $792,349 2038 30 $50,000 $60,000 $110,000 2,065,500 $792,349 2039 31 $60,000 $60,000 2,065,500 $792,349 2040 32 $60,000 $60,000 2,065,500 $792,349 2041 33 $60,000 $60,000 2,065,500 $792,349 2042 34 $60,000 $60,000 2,065,500 $792,349 2043 35 $50,000 $60,000 $110,000 2,065,500 $792,349 2044 36 $60,000 $60,000 2,065,500 $792,349 2045 37 $60,000 $60,000 2,065,500 $792,349 2046 38 $60,000 $60,000 2,065,500 $792,349 2047 39 $60,000 $60,000 2,065,500 $792,349 2048 40 $50,000 $60,000 $110,000 2,065,500 $792,349 2049 41 $60,000 $60,000 2,065,500 $792,349 2050 42 $60,000 $60,000 2,065,500 $792,349 2051 43 $60,000 $60,000 2,065,500 $792,349 2052 44 $60,000 $60,000 2,065,500 $792,349 2053 45 $50,000 $60,000 $110,000 2,065,500 $792,349 2054 46 $60,000 $60,000 2,065,500 $792,349 2055 47 $60,000 $60,000 2,065,500 $792,349 2056 48 $60,000 $60,000 2,065,500 $792,349 2057 49 $60,000 $60,000 2,065,500 $792,349 2058 50 $50,000 $60,000 $110,000 2,065,500 $792,349 8-Oct-08 mafa@alaska.net lakepenenergyaea_grantoct08a HydroBC 10/8/2008 1:01 PM Attachment E - Benefits Analysis Diesel Efficiency (gallons/kWh) lakepenenergyaea_grantoct08a HydroBC 10/8/2008 1:01 PM