The U.S. power grid is under strain. Aging infrastructure, rising demand and extreme weather are testing reliability.

President Trump threatens military action against Iran's power plants unless the Strait of Hormuz reopens. Iran's power grid, ...

Cuba's aging grid has drastically eroded in recent years, but the government also has blamed the outages on a U.S. energy ...

A team of researchers at the Department of Energy's Oak Ridge National Laboratory has developed more robust circuit breakers that are compatible with direct current (DC), paving the way for lower ...

Here’s what to know about the energy, economic, and political crises surrounding Cuba—and the role of Trump and the U.S.

Global conflicts are making renewable energy more attractive, but an all-renewable grid will require solving physics problems ...

LISBON (AP) — Portuguese authorities on Monday announced a raft of measures to strengthen the country's electricity system following the April 28 blackout that left most of Spain and Portugal without ...

He also questioned the idea of stopping power supply to Togo, asking how much electricity is actually being sent compared to ...

Cuba started restoring power Sunday after the nation's energy grid collapsed a day prior, cutting electricity to millions of ...