Levelized Cost of Energy (LCOE)
[Pages:9]DOE OFFICE OF INDIAN ENERGY
Levelized Cost of Energy (LCOE)
1
Upfront Capital Costs for Renewables
Upfront costs do not paint a complete picture
2
Key Concept: Levelized Cost of Energy (LCOE)
? Measures lifetime costs divided by energy production
? Calculates present value of the total cost of building and operating a power plant over an assumed lifetime.
? Allows the comparison of different technologies (e.g., wind, solar, natural gas) of unequal life spans, project size, different capital cost, risk, return, and capacities
Critical to making an informed decision to proceed with development of a facility, community or commercial-scale project
3
Simple LCOE Concept
Energy System
? $$$
Initial Costs Including Financing
($100)
Annual Cost Per Year ($125)
Annual
Expenses $
($25)
Site Characteristics/
Resources
Annual Energy Production
(1000 kWh)
$
LCOE
($/MWh)
$125/1000) $0.125/kWh
Adapted from European Wind Energy Association, "Economics of Wind Energy,"
4
Simplified LCOE Calculation
n t=1
It + Mt + Ft (1+r) t
n t=1
E t (1+r) t
It = Investment expenditures in year t (including financing) Mt = Operations and maintenance expenditures in year t Ft = Fuel expenditures in year t Et = Electricity generation in year t r = Discount rate
n = Life of the system
5
6
Wind LCOE Sensitivity: What Are the Big Drivers?
Initial capital cost (ICC) and capacity factor are two critical drivers, but discount rate (financing costs) and annual operating expenses (AOE) are non-trivial. Wind LCOE example shown below:
Source: Tegen et al. 2012
7
LCOE Models
CREST
LCOE Calculator
8
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