President Biden has set the ambitious, important climate goal of achieving net zero emissions from the nation’s electric power sector by 2035. Already, natural gas has played a key role in lowering U.S. carbon dioxide emissions in the past 15 years, in part by displacing higher emitting coal. But gas, which still provides more than a third of America’s electricity, must play an even greater part in America’s decarbonization plans going forward.
Right now, gas uniquely supports the expansion of renewable energy by providing an instantly dispatchable source of electricity. Unlike coal and nuclear plants, natural gas power plants turn on and off within minutes, allowing the grid to quickly match supply and demand even when the wind isn’t blowing and the sun isn’t shining. As a U.S. National Renewable Energy Laboratory report has noted, this unique flexibility of natural gas generation thereby facilitates the steady expansion of renewables.
Yet as we move toward decarbonization, maintaining an affordable and reliable grid is becoming more exacting, due to increased frequency of extreme weather events and the rapid growth of intermittent and variable wind and solar power. Retaining sufficient natural gas generation to backstop wind and solar power will reduce costs and increase reliability compared to a grid that relies entirely on renewables, or often more expensive electricity storage. Given these realities, demands to ban shale gas development and fracking are not consistent with an economically balanced approach to decarbonizing the electric grid, as President Biden and other administration officials have repeatedly noted.
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