Mid-Atlantic Grid Can Lose Coal and Nuclear, and Remain Reliable With Natural Gas and Renewables

By [email protected] Mid-Atlantic grid operator PJM has modeled a future with more wind and solar power, cheap natural gas, and retiring nuclear and coal power plants — integrated under projected peak conditions and in hypothetical heat waves and cold snaps — and found that this increasingly diverse generation mix doesn’t threaten grid reliability, at least in the near term.

The model sets an upper bound of about 20 percent on how much renewable energy — wind, namely — that the 13-state transmission grid operator can take, before reliability issues start to arise.

PJM’s analysis of reliability and fuel diversity (PDF), released Thursday,

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