The White House has shelved a proposed effort to prop up coal and nuclear power plants at risk of closure, Politico reported.

Some of President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE’s advisers in the White House National Security Council and National Economic Council oppose Energy Secretary Rick Perry Rick PerryEnergy secretary questions consensus that humans cause climate change OVERNIGHT ENERGY: Democrats push resolution to battle climate change, sluggish economy and racial injustice | Senators reach compromise on greenhouse gas amendment stalling energy bill | Trump courts Florida voters with offshore drilling moratorium OVERNIGHT ENERGY: Trump signs major conservation bill into law | Senate votes to confirm Energy's No. 2 official | Trump Jr. expresses opposition to Pebble Mine project MORE’s plan, due largely to the likelihood that it would raise energy prices, Politico said, citing four people familiar with the matter.

The rescue plan was a key piece of the Trump administration’s energy agenda, and Trump’s promise to save the coal industry.

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Perry first pursued the policy last year, asking that the Federal Energy Regulatory Commission (FERC) write a rule to require higher electricity payments to coal and nuclear plants, in a bid to preserve the “resiliency” of the electric grid.

But FERC, an independent agency, rejected the proposal unanimously.

Earlier this year, Trump formally asked his administration to find a way to save uneconomic coal and nuclear plants from closing.

A White House memo leaked in May showed that officials were considering using legal authorities to force coal and nuclear plants to stay open for two years. During that time, the National Security Council would study the issue from a security perspective and determine if other interventions could be used.

The Energy Department and the White House didn’t return requests for comment.