Portuguese authorities have announced measures to strengthen the country's electricity system after the April 28 blackout ...

As clean energy scales up, experts say outdated grids and poor planning are turning local outages into global wake-up calls.

This investment is aimed at handling the complexities associated with intermittent renewable energy sources such as wind and ...

Meanwhile, Portuguese grid operator REN said that power was back for 750,000 customers in Portugal as of Monday night. Electricity had not yet been restored in Lisbon, the nation's capital, but REN ...

The massive blackout brought Spain and Portugal to an abrupt standstill on Monday. Public transportation, including subways and rail services, was suspended across Spain.

Parts of Spain, Portugal and southern France were plunged into darkness on Monday by a massive power outage. The lights are coming back on for some, but the cause of the outage remains unclear.

Spain and Portugal begin recovering from a massive blackout. Here's what to know Spanish prime minister Pedro Sánchez said a nationwide blackout of this scale had never happened before in Spain.