HAVANA — 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 customers ...

Cuban officials reported an island-wide blackout on Monday as the nation's economic crisis worsened amid an energy blockade by the United States. President Donald Trump commented on the country's dire ...

Google, Tesla, and data center developer Verrus are among a group of companies arguing that the electrical grid is being underutilized and they want everyone — especially politicians — to know about ...