Leaders of the nation’s largest technology companies gathered at the White House on Wednesday to sign a pledge committing them to cover the full costs of the enormous amounts of electricity their arti...

Technology firms including Google and Meta have said they will shoulder the costs to power artificial intelligence data centres, as the White House faces pressure to address rising electricity prices.

Many of the hulking facilities being built today to train cutting-edge A.I. models need as much electricity as a small city to power the hundreds of thousands of specialized computer chips and cooling...