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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. 7.78 m/s average wind speed AEA
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 3 Diesel Gensets
ii. Rated capacity of generators/boilers/other 952 kW(Diesel 1@ 467kW, !@ 350.kW, !@135
kW,)
iii. Generator/boilers/other type Diesel
iv. Age of generators/boilers/other 250 kW 2008- 467kW Spring 2010, 135 kW 2000
v. Efficiency of generators/boilers/other 11.0 kWhr/gal now, 12.5 est 2010
b) Annual O&M cost (if system is part of the Railbelt grid, leave this section blank)
i. Annual O&M cost for labor
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] 1,657,658 kWhrs (est 2015, 2,381,000 kWhrs)
ii. Fuel usage
Diesel [gal] 150,582 gallons (2015, 198,845 gallons)
Other
iii. Peak Load 300 kW
iv. Average Load 220 kW
v. Minimum Load 120 kW est
vi. Efficiency
vii. Future trends Growing 2% per year
d) Annual heating fuel usage (fill in as applicable)
i. Diesel [gal or MMBtu] Community wide 200,000 gallons
ii. Electricity [kWh]
iii. Propane [gal or MMBtu]
iv. Coal [tons or MMBtu]
v. Wood [cords, green tons, dry tons]
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
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]
675 kW Wind
500 kW Powerstore flywheel
520 kW thermal electric storage
b) Proposed Annual electricity or heat production (fill in as applicable)
i. Electricity [kWh] 3,280.433 kWhrs
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]
iv. Other
4. Project Cost
a) Total capital cost of new system $ 4,624,041
b) Development cost
c) Annual O&M cost of new system $ 48,000
d) Annual fuel cost
5. Project Benefits
a) Amount of fuel displaced for
i. Electricity 90,990 $ gal (2015), x $ 5.00 = $ 454,950
ii. Heat 24,000 gal x $6.00/ gal= $144,000
iii. Transportation
b) Price of displaced fuel $ 5.00
c) Other economic benefits Reduced diesel runtime and O&M = $154,439
d) Amount of Alaska public benefits Insure turbine production & improve power quail
$ 753,389 (2015), increased locally produced energy
sales
6. Power Purchase/Sales Price
a) Price for power purchase/sale ½ cost of home heating fuel, approx $.15/kWhr, value
of fuel is split between uitliy and home owner,
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 Npv, 20 yr, 5%, $753,389- 48,000= $23,324,360, B/C = 4.4
Payback 7.65 years