Loading...
HomeMy WebLinkAboutCostworksheet3_10-7-09 Renewable Energy Fund Round 3 Project Cost/Benefit Worksheet RFA AEA10-015 Application Cost Worksheet Page 1 10-7-09 Please note that some fields might not be applicable for all technologies or all project phases. The level of information detail varies according to phase requirements. 1. Renewable Energy Source The Applicant should demonstrate that the renewable energy resource is available on a sustainable basis. Annual average resource availability. Unlimited wood and sun resource Unit depends on project type (e.g. windspeed, hydropower output, biomasss fuel) 2. Existing Energy Generation and Usage a) Basic configuration (if system is part of the Railbelt1 grid, leave this section blank) i. Number of generators/boilers/other Three (3) GARN WHS Heating units ii. Rated capacity of generators/boilers/other 250,000 BTUs /hr x 3 units = 750,000 Storage BTU capacity x 3 units = 3.6 million BTUs iii. Generator/boilers/other type iv. Age of generators/boilers/other v. Efficiency of generators/boilers/other 64-86% average efficiency when wood is at 20% humidity. b) Annual O&M cost (if system is part of the Railbelt grid, leave this section blank) i. Annual O&M cost for labor To maintain the boilers represents 5% of existing maintenance personnel budget. Solar maintenance is below 5% and minimal. $1,000 year to inspect and clean boilers. ii. Annual O&M cost for non-labor c) Annual electricity production and fuel usage (fill in as applicable) (if system is part of the Railbelt grid, leave this section blank) i. Electricity [kWh] .75 per kilowatt hr estimated $4,000 to $5,000 per month under conventional electrical use. ii. Fuel usage Diesel [gal] n/a Other n/a iii. Peak Load n/a iv. Average Load n/a v. Minimum Load n/a vi. Efficiency n/a vii. Future trends Natural gas is somewhere down the future. d) Annual heating fuel usage (fill in as applicable) i. Diesel [gal or MMBtu] 11,600 gallons heating fuel projected in business model with conventional oil fired boilers. With the new biomass system and solar panels, no diesel fuel will be used. 1 The Railbelt grid connects all customers of Chugach Electric Association, Homer Electric Association, Golden Valley Electric Association, the City of Seward Electric Department, Matanuska Electric Association and Anchorage Municipal Light and Power. Renewable Energy Fund Round 3 Project Cost/Benefit Worksheet RFA AEA10-015 Application Cost Worksheet Page 2 10-7-09 ii. Electricity [kWh] iii. Propane [gal or MMBtu] iv. Coal [tons or MMBtu] v. Wood [cords, green tons, dry tons] A maximum of 46 cords of wood for the 3 GARN boilers will be used. vi. Other 3. Proposed System Design Capacity and Fuel Usage (Include any projections for continued use of non-renewable fuels) a) Proposed renewable capacity (Wind, Hydro, Biomass, other) [kWh or MMBtu/hr] This project will install and use three GARN bio mass boilers and 63 solar terminal panels for three buildings. b) Proposed Annual electricity or heat production (fill in as applicable) i. Electricity [kWh] 13,153,140 kilowatts per yr based on an average of 4.4hrs daylight for the Tanana Region x 63 panels x 365 days. ii. Heat [MMBtu] 250,000 BTUs per hour x 3 units = 750,000 BTUs. Storage capacity x 3 units = 3.6 million BTUs. c) Proposed Annual fuel Usage (fill in as applicable) i. Propane [gal or MMBtu] n/a ii. Coal [tons or MMBtu] n/a iii. Wood [cords, green tons, dry tons] 42 cords of wood for 3 GARN Boilers. iv. Other n/a 4. Project Cost a) Total capital cost of new system $492,642 b) Development cost -0- c) Annual O&M cost of new system $ 6,000 d) Annual fuel cost $ 12,600 5. Project Benefits a) Amount of fuel displaced for i. Electricity Will replace 35% of electrical costs with expected savings of $12,000/yr ii. Heat Will replace average use of 11,600 gallons of fuel iii. Transportation n/a b) Price of displaced fuel $5.99 (current expected to increase) per gallon diesel fuel x 11,600 gallons = $69,484. c) Other economic benefits Creation of local jobs for suppliers, cheaper costs for seniors (on fixed income) to live in the facility. d) Amount of Alaska public benefits Minimum of $81,484 per year, Maximum $96,000/yr Renewable Energy Fund Round 3 Project Cost/Benefit Worksheet RFA AEA10-015 Application Cost Worksheet Page 3 10-7-09 6. Power Purchase/Sales Price a) Price for power purchase/sale n/a 7. Project Analysis a) Basic Economic Analysis Project benefit/cost ratio 1/6 Payback This project has a payback of 6 years or less.