No one has ever restarted an American nuclear reactor that was seemingly closed for good. But with electricity demand spiking, interest is growing.

The infamous plant, closed since 2019, is getting a new lease on life after Microsoft agreed to buy its electricity to supply a growing fleet...

Clean hydrogen could help fight climate change, but it barely exists today. Now the administration wants to build an entire industry from scratch.

It takes five years to connect a new wind or solar farm to the electric grid. New federal rules would only partly resolve the issue,...