Frequently Asked Questions

How much does it cost to generate electricity with different types of power plants?

EIA has historical data on the average annual operation, maintenance, and fuel costs for existing power plants by major fuelor energy source types in Table 8.4. Average Power Plant Operating Expenses for Major U.S. Investor-Owned Electric Utilities, 2001 through 2012 (Mills per Kilowatthour)1 of the Electric Power Annual.

EIA has projections for electricity generation costs in the Annual Energy Outlook 2014. The most recent available projections and estimates for different types of power plants are in Levelized Cost and Levelized Avoided Cost of New Generation Resources in the Annual Energy Outlook 2014, which includes estimated costs in dollars per megawatthour (mWh) based on a 30-year cost recovery period for various types of power plants that start operation in 2019.

1A mill is equal to 1/000 of a U.S. dollar, or 1/10 of one cent. Mills per kilowatthour (kWh) equals dollars per megawatthour (mWh). To convert mills per kWh to cents per kWh, divide mills per kWh by 10.

Learn more:

Assessing the Economic Value of New Utility-Scale Renewable Generation Projects

Electricity Market Module Section and Renewable Fuels Module Section in the Assumptions to the Annual Energy Outlook 2013

Electricity Market Module and Renewable Fuels Module in the National Energy Modeling System: An Overview

Last updated: May 2, 2014


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