Rapid data-center expansion, led by the United States, is transforming electricity demand and forcing major investment in generation, grids, and energy infrastructure.

There’s no clearer sign of the data center boom than rampant gas projects that have been proposed or that are already under construction.

Proposals for new gas-fired power capacity tied to data centers nearly doubled in the first half of 2026, according to a Global Energy Monitor report. Nearly a third of that new…