RELCOST Industrial CHP Example Walk-Through of Input & Results. HEATMAP and RELCOST Workshop Accra, Ghana May 13 to 15, 2009. Carolyn Roos, PhD Washington State University, Energy Program [email protected] The Purpose of this Exercise.
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An industrial site is considering a CHP system:
of screen shot
Industrial CHP ExampleCombined Cycle Gas Turbine
Enter life on “WhatIf” tab:
Detailed cost estimate is required in final analysis:
Space is provided for detailed cost estimates
In the U.S. example it has been assumed:
Find depreciation schedule in drop down menu:
Amount has been entered as an equation from funding schedule
… More about custom equations later
Assume in year 2
Grants available for your project?
Notice along top of columns, these are source #s
#2 in year 2
Even if annual payments, enter as separate lump sums if accurate life cycle cost results are desired
Funds in 1st Year
Start paying after 12 months
Drop down menu for loan type
Proportion of loans to equity was calculated in RELCOST using equations with sensitivity factors
…We will get to this later
These are entered later:
“HeatMap” tab contains
Since HEATMAP results are used, entries in blue are ignored.
Notice purchased fuels in white area is from HEATMAP.
For convenience use N&C space at top:
Enter figures in N&C space to easily
use them in equations.
Titles are in blue = user inputs
I’ve named them “variable” and “fixed” but you can call them whatever you want
Jump in cost
Starting in 5th year
Every 5 years
Since HEATMAP results are imported
… input in blue is ignored
Production Incentive is proportional to units generated so it belongs on “Sales, Income” tab.
Units do change by HEATMAP vs Stand-Alone option.
Enter manually (by equation)
Tax Rates as % of NPBT
Fees as % of gross sales of product
Royalties as amount paid to recipient.
What is tax rate in Ghana?
Are tax credits refundable if credit exceeds liability?
Can credit be carried forward into future years if it exceeds liability?
Tax credit of up to 7% of the CapEx minus grants with a carry-forward of 5 years.
(what is due that gets rolled into following year)
High values likely because of Ghana’s high inflation rate.
Defined at top of “WhatIf” sensitivity factors
Inflows & Outflows
Plots from Pro Forma Statements
Levelized Costs of Sales
Life Cycle Cost Analysis Results