After court blocks renewables push, US promotes carbon capture & hydrogen

The Environmental Protection Agency will set limits on power plants’ emissions, forcing them to clean up or shut down

The Biden administration unveiled a sweeping plan to slash greenhouse gas emissions from the nation’s power industry on Thursday, one of the biggest steps so far in its effort to decarbonise the American economy to fight climate change.

The proposal would limit the amount of carbon dioxide that power plants, which are the source of more than a quarter of U.S. emissions, can send into the atmosphere, putting the industry on a years-long course to install billions of dollars of new equipment or shut down.

Environmental groups and scientists have long argued that such steps are crucial to curb global warming, but fossil-fuel-producing states argue that they represent government overreach and threaten to destabilise the electric grid.

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The Environmental Protection Agency projects the plan would cut carbon emissions from coal plants and new gas plants by 617 million tonnes between 2028 and 2042. That’s around 44m tonnes a year, about the same as the nation of Denmark pumps out.

CCS or hydrogen

The proposal sets standards that would push companies to install carbon capture equipment that can siphon the carbon dioxide from a power plant’s smokestack before it reaches the atmosphere, or use super-low-emissions hydrogen as a fuel.

“EPA’s proposal relies on proven, readily available technologies to limit carbon pollution and seizes the momentum already underway in the power sector to move toward a cleaner future,” Administrator Michael Regan said in a statement.

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Regan is to announce more details of the proposal in a youth-focused speech at the University of Maryland later on Thursday.

White House climate adviser Ali Zaidi told reporters the proposal will keep the U.S. on track to meet its goal to achieve net-zero power sector emissions by 2035.

“When you look at what is in the rule and what is proposed we are absolutely in line with the president’s goal,” he said.

Plan B

The proposal, more than 18 months in the making, reflects constraints imposed on the EPA by the Supreme Court, which ruled last year that the agency cannot impose a system-wide shift from fossil fuels to renewable energy, but can regulate plants by setting technology-based standards applied on-site.

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An effort by the administration of Democratic former President Barack Obama in 2015 to broadly slash power industry emissions was hung up by legal challenges and eventually repealed in 2019 under the administration of Republican President Donald Trump.

West Virginia Attorney General Patrick Morrisey, who led the legal challenge against the previous EPA carbon rule, said in a statement that his state will “be ready once again to lead the charge in the fight against federal overreach.”

Industry push back

Investor-owned utility group Edison Electric Institute said it has been in close consultation with the EPA to ensure that the agency is flexible with compliance deadlines and recognizes the role of natural gas in cleaning up the sector.

Gas is a fossil fuel and the International Energy Agency has said that, if global warming is to be held to 1.5C, the amount of electricity produced with gas should peak around 2030 and fall dramatically by 2040. No new gas production projects are compatible with the strongest target of the Paris Agreement, it says.

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