HomeMy WebLinkAboutCostworksheetSept13,2010
Renewable Energy Fund Round 4
Project Cost/Benefit Worksheet
RFA AEA11-005 Application Cost Worksheet Page 1 7-21-10
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. Estimated to be well in excess of the required
17,000 to 23,000 tons per year of sustainable
biomass (tree chips)
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 Six generators in New Town, three boilers at former
base
ii. Rated capacity of generators/boilers/other Generators range from 350 kW to 1050 kW
capacity.
iii. Generator/boilers/other type Diesel generators and boilers
iv. Age of generators/boilers/other Generators range from 20 to 2 years old. The
boilers are estimated to be 30 years old, but were
recently refurbished
v. Efficiency of generators/boilers/other Generators are about 40% eff, boilers about 80%
b) Annual O&M cost (if system is part of the Railbelt grid, leave this section blank)
i. Annual O&M cost for labor $600,000
ii. Annual O&M cost for non-labor $466,000, estimated from the AEA Community Information
Summary, Appendix 3
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] 7,800,000 kWh approx (note—see Community Information Summary,
Appendix 3)
ii. Fuel usage
Diesel [gal] 600,000 approx
Other
iii. Peak Load 1753 kW
iv. Average Load 789 kW
v. Minimum Load 500kW approx.
vi. Efficiency 13.52 kWh/gallon
vii. Future trends Increasing fuel cost and reduced load
d) Annual heating fuel usage (fill in as applicable)
i. Diesel [gal or MMBtu] 300,000 for GILA boarding school
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 4
Project Cost/Benefit Worksheet
RFA AEA11-005 Application Cost Worksheet Page 2 7-21-10
ii. Electricity [kWh]
iii. Propane [gal or MMBtu]
iv. Coal [tons or MMBtu]
v. Wood [cords, green tons, dry tons] Home use
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)
[kW or MMBtu/hr]
1000 kW
b) Proposed annual electricity or heat production (fill in as applicable)
i. Electricity [kWh]
ii. Heat [MMBtu]
c) Proposed annual fuel usage (fill in as applicable)
i. Propane [gal or MMBtu]
ii. Coal [tons or MMBtu]
iii. Wood [cords, green tons, dry tons] 17,000 to 23,000 green tons, estimated
iv. Other
4. Project Cost
a) Total capital cost of new system $11,000,000
b) Development cost Included (one year of fuel harvest prior to startup)
c) Annual O&M cost of new system $900,000
d) Annual fuel cost $780,000 per year to harvest and store wood chips
5. Project Benefits
a) Amount of fuel displaced for
i. Electricity 700,000
ii. Heat 300,000
iii. Transportation
b) Current price of displaced fuel $4.41/gallon, $4,410,000 per year
c) Other economic benefits $1,000,000 per year local employment
d) Alaska public benefits $3,730,000
6. Power Purchase/Sales Price
a) Price for power purchase/sale Na
Renewable Energy Fund Round 4
Project Cost/Benefit Worksheet
RFA AEA11-005 Application Cost Worksheet Page 3 7-21-10
7. Project Analysis
a) Basic Economic Analysis
Project benefit/cost ratio $3,730,000/$11,000,000 = 0.339
Payback (years) 3