Prices out of the biggest U.S. power auction, held by grid operator PJM Interconnection, cleared at $329.17 a megawatt-day, roughly 22% higher than last year's record-high levels as electricity demand ...

Supporters say a regional energy market would benefit renewables and accelerate climate progress. Critics say it would ...

On-Grid. If we know that there isn’t necessarily a lack of power—just mismatched supply and demand—why build off-grid rather than make better use of what’s already there, the on-grid ...

MISO, a top North American power grid operator, will fast-track the process for new power plants to connect to the grid after ...

The way power plants know what real-time power adjustments are needed is by closely monitoring the grid frequency. The goal is to provide electricity at a constant frequency—60 hertz—at all times.

Air conditioners place a heavy burden on the grid when the weather gets hot, but this strategy shows they can actually help—and without compromising your home's temperature.

Restarting the grid. You might think that a power plant could easily start generating power, but in reality, only a limited number of facilities have everything they need to handle a black start.

Switching on air-conditioning during extreme heat doesn’t have to make us feel guilty—it can actually boost power grid reliability and help bring more renewable energy online ...

Damage to the island's power grid caused by Hurricane Maria persists years later.And in 2022, Hurricane Fiona once again plunged the island into darkness, causing a blackout that affected the ...

Texas' main grid operator has projected that the state's growing demand for power could surpass its available energy supply beginning in summer 2026. Latest U.S.