A brutal Arctic cold snap has pushed parts of Russia’s regional power grid past the breaking point, plunging northern cities into darkness and exposing how fragile Soviet-era infrastructure has become ...

Western states are figuring out how to make electricity-sharing work, but it isn’t easy. Texas learned that the hard way.

HAVANA (AP) — Cuba began restoring its energy system on Sunday, a day after a nationwide collapse of the entire grid left millions of people in the dark for the third time this month. Some 72,000 ...

Why do some systems collapse suddenly after what seems like a minor disturbance? A single transmission line failure can cascade into widespread blackouts. A delayed shipment can ripple through a ...

This is read by an automated voice. Please report any issues or inconsistencies here. HAVANA — Cuba began restoring its energy system Sunday, a day after a nationwide collapse of the entire grid left ...