Clean energy is taking over the Texas grid. State officials are trying to stop it.

Clean energy is rapidly rising on the Texas power grid, but regulators in the Lone Star State are now considering a plan that could give fossil fuels a boost.

The zero greenhouse gas emissions trio — wind, solar, and nuclear energy — provided more than 40 percent of electricity in the state in 2022. It was a year when several Texas cities experienced their hottest summers on record, driving electricity demand to its highest levels ever as fans and air conditioners switched on. Winter proved stressful too, with freezing temperatures last month pushing...