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Renewable Energy Fund Round 3
Project Cost/Benefit Worksheet
RFA AEA10-015 Application Cost Worksheet Page 1 10-7-09
Cook Inlet TidGen™ Project
AEA10‐015 REF Round III
Attachment B: Project Cost / Benefit Worksheet
ATTACHMENT B
Project Cost / Benefit Worksheet
Renewable Energy Fund Round 3
Project Cost/Benefit Worksheet
RFA AEA10-015 Application Cost Worksheet Page 2 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. 95% Availability Factor and 35% Capacity
Factor based on flood and ebb of tidal 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
ii. Rated capacity of generators/boilers/other
iii. Generator/boilers/other type
iv. Age of generators/boilers/other
v. Efficiency of generators/boilers/other
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]
ii. Fuel usage
Diesel [gal]
Other
iii. Peak Load
iv. Average Load
v. Minimum Load
vi. Efficiency
vii. Future trends
d) Annual heating fuel usage (fill in as applicable)
i. Diesel [gal or MMBtu]
ii. Electricity [kWh]
iii. Propane [gal or MMBtu]
iv. Coal [tons or MMBtu]
v. Wood [cords, green tons, dry tons]
vi. Other
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 3 10-7-09
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]
1 MW (expanding beyond the TidGenTM Project scope to 5
MW by 2013 and 100 MW by 2018)
b) Proposed Annual electricity or heat production (fill in as applicable)
i. Electricity [kWh] 2,912,700 (at 1 MW stage)
ii. Heat [MMBtu]
c) Proposed Annual fuel Usage (fill in as applicable)
i. Propane [gal or MMBtu] 0
ii. Coal [tons or MMBtu] 0
iii. Wood [cords, green tons, dry tons] 0
iv. Other 0
4. Project Cost
a) Total capital cost of new system $4,139,640 (For the 5 MW project to be completed by 2013, this
value is $16,139,640, which includes the $4,139,640 spent on
the 1 MW TidGenTM Project)
b) Development cost $2,361,426 (For the 5 MW project to be completed by 2013, this
value is $4,209,537, which includes the $2,361,426 spent on the
1 MW TidGenTM Project.)
c) Annual O&M cost of new system $62,095 (Estimated to be 1.5% of Capital Costs as suggested
by the AEA in its comments on ORPC’s 2008 Renewable Energy
Fund Round II Application )
d) Annual fuel cost $0
5. Project Benefits
a) Amount of fuel displaced for
i. Electricity 9,538 Mcf Natural Gas per Year for the 1 MW Project
ii. Heat
iii. Transportation
b) Price of displaced fuel $72,009 in 2011 (at $7.55/Mcf according to Chugach Electric
Inc’s 2011 Avoided Cost of Natural Gas. This value grows to
$9.51/Mcf by 2018)
c) Other economic benefits $32,040 in 2011 at 1.1 cents/KWh Production Tax Credit
d) Amount of Alaska public benefits $9,967,476 (includes, (1) 20 year NPV at 3% real of fuel costs
avoided, $2,542,879 and carbon offset payments avoided at $10
per ton, $83,013; (2) 5 permanent jobs created for 20 years at
$55,000 each, $5,500,000; (3) multiplier effect of new jobs on local
economy at 10% of jobs created, $550,000; (4) 20 year NPV at 3%
of portion of O&M (95%) spent in Alaska, $877,620 (annual O&M is
calculated at 1.5% of Capital Costs); and (5) ancillary investments
such as grid upgrades, port upgrades, etc, at 10% of capital cost,
$413,964.) (This value is $30,817,561 for a 5MW project to be
Renewable Energy Fund Round 3
Project Cost/Benefit Worksheet
RFA AEA10-015 Application Cost Worksheet Page 4 10-7-09
installed in 2013.)
6. Power Purchase/Sales Price
a) Price for power purchase/sale $0.108/kWh (avoided cost Chugach Electric 2011)
7. Project Analysis
a) Basic Economic Analysis
Project benefit/cost ratio 1.53 (See Section 5.0 for detailed analysis)
Payback 10.25 years (See Section 5.0 for calculation of payback period as the
capacity of the Cook Inlet Tidal Energy Project increases to 100MW by 2018).
Once the generating capacity of the site increases to 100 MW, payback period
for the $263 million accrued project costs is 3.25 years.