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Wind and solar to play a bigger role this summer, EIA says

Wind and solar are expected to play bigger roles in U.S. electricity generation this summer, according to the U.S. Energy Information Administration.
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Wind and solar are expected to play bigger roles in U.S. electricity generation this summer, according to the U.S. Energy Information Administration (EIA).

EIA said it expects the largest increases in U.S. electric power sector generation this summer will come from renewable energy sources as a result of new capacity additions.

EIA forecasts utility-scale solar generation between June and August 2022 will grow by 10 million MWh compared with the same period last summer, and wind generation will grow by 8 million MWh.

Forecast generation from coal and natural gas is forecast to decline by 26 million MWh this summer, although natural gas generation could increase in some electricity markets where coal supplies are constrained.

(Read “Three factors are roiling summer electric power supply outlooks.”)

Wind and solar power electric-generating capacity has been growing steadily in recent years. EIA estimates that by June 1 the U.S. electric power sector will have 65 GW of utility-scale solar-generating capacity, a 31% increase in solar capacity since June 2021. Almost one-third of this new solar capacity has been built in the Texas electricity market. The electric power sector will also have an estimated 138 GW of wind capacity online this June, a 12% increase from last June.

U.S. solar PV capacity as of June 1

Along with growth in renewables capacity, EIA said an additional 6 GW of new natural gas combined-cycle generating capacity could come online by June, up 2% from last summer. Despite this, natural gas-fired electricity generation at the national level will be slightly (1.3%) lower than last summer, EIA said.

(Read “North America’s power grid faces a challenging summer, NERC warns.”)

EIA forecasts the price of natural gas delivered to electric generators will average nearly $9 per million British thermal units between June and August 2022, more than double the average price last summer. The higher expected prices and growth in renewable generation will likely lead to less natural gas-fired generation in some regions of the country.

In contrast to renewables and natural gas, the electricity industry has been steadily retiring coal-fired power plants over the past decade. Between June 2021 and June 2022, the electric power sector will have retired 6 GW (2%) of U.S. coal-fired generating capacity.

In previous years, higher natural gas prices would have resulted in more coal-fired electricity generation. However, coal-fired power plants have been limited in their ability to replenish their historically low inventories in recent months as a result of mine closures, rail capacity constraints, and labor market tightness. These coal supply constraints, along with the continued retirement of generating capacity, contribute to our forecast that U.S. coal-fired generation will decline by 20 million MWh (7%) this summer.

In some regions of the country, these coal supply constraints may lead to increased natural gas-fired electricity generation despite higher natural gas prices.

U.S. summer electric power sector generation
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