Projected power generation mix is sensitive to policies, gas prices (eia)

23 / FEB / 2017

Energy Information Administration (eia)

The mix of fuels used to generate electricity in the United States has changed in response to differences in the expected cost of fuels and electricity-generating technology costs and their deployment. These factors, together with policies affecting emissions from power generation, will determine the generation fuel mix of the future.

Multiple cases in EIA’s Annual Energy Outlook 2017 (AEO2017) show how projected electricity generation is affected by fuel prices, especially natural gas prices, and the Clean Power Plan , a final Environmental Protection Agency rule issued in 2015 whose enforcement was stayed by the U.S. Supreme Court in February 2016 pending the resolution of legal challenges.

Projected power generation mix is sensitive to policies, gas prices (eia)

Without the Clean Power Plan, there is less incentive to switch from carbon-intensive coal to less carbon-intensive natural gas or carbon-free fuels such as wind and solar. In the scenario where the Clean Power Plan is not implemented, coal again becomes the leading source of electricity generation by 2019 and retains that position through 2032, longer than in the Reference case, which includes the Clean Power Plan. Electricity generation from renewable sources remains below coal-fired electricity generation through 2040. Fewer coal plants are retired, and as a result, natural gas and renewable capacity additions are lower compared with the Reference case.

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