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Renewable Energy Fund Round 3
Project Cost/Benefit Worksheet
RFA AEA10-015 Application Cost Worksheet Page 1 10-7-09
1. Renewable Energy Source
Annual average resource availability. 1,543 MMBTU
Unit depends on project type (e.g. windspeed, hydropower output, biomasss fuel)
2. Existing Energy Generation and Usage
a) Basic configuration
i. Number of generators/boilers/other 6
ii. Rated capacity of generators 3.47 MW
iii. Generator type Cat Diesel Generators
iv. Age of generators 14, 16, 21, 18, 18, 18 years old
v. Efficiency of generators 11.64 to 14.43 kWh / gal
b) Annual O&M cost
i. O&M cost for labor $233,749 / year
ii. O&M cost for non-labor $1,548,550 / year
c) Annual electricity production and fuel usage
i. Electricity [kWh] 5,537,487 last 12 mths
ii. Fuel usage
Diesel 397,800 gallons
Other
iii. Peak Load 820 kW
iv. Average Load 650 kW
v. Minimum Load 480 kW
vi. Efficiency 13.44 kW Generated per gallon of diesel fuel
vii. Future trends 13.69 kW Generated per gallon diesel fuel
d) Annual heating fuel usage
i. Diesel [gal or MMBtu]
ii. Electricity [kWh] 18,030 gallons of fuel displaced by new Waste Heat
iii. Propane [gal or MMBtu]
iv. Coal [tons or MMBtu]
v. Wood [cords, green tons, dry tons]
vi. Other
3. Proposed System Design Capacity and Fuel Usage
a) Proposed renewable capacity Waste Heat available = 0.176 MMBTU/hr
b) Proposed Annual electricity or heat production
i. Electricity [kWh] 5,600,000 kWh 754,800 kWh new engine #2
ii. Heat [MMBtu] .06 MMBtu load added with waste heat extension.
c) Proposed Annual fuel Usage
i. Propane [gal or MMBtu]
ii. Coal [tons or MMBtu]
iii. Wood
Renewable Energy Fund Round 3
Project Cost/Benefit Worksheet
RFA AEA10-015 Application Cost Worksheet Page 2 10-7-09
iv. Other – Diesel 405,271 gallons (7,800 gallons savings)
4. Project Cost
a) Total capital cost of new system $615,591
b) Development cost
c) Annual O&M cost of new system $1,782,300
d) Annual fuel cost $1,398,186
5. Project Benefits
a) Amount of fuel displaced for
i. Electricity 7,799 gallons diesel
ii. Heat 18,030 gallons diesel
iii. Transportation
b) Price of displaced fuel $3.45
c) Other economic benefits
d) Alaska public benefits $89,110
6. Power Purchase/Sales Price
a) Price for power purchase/sale
7. Project Analysis
a) Basic Economic Analysis
Project benefit/cost ratio $924,900 / $615,591 = 1.50
Payback 6.9 years