Three Mile Island Is at the Center of Efforts to Expand Nuclear Capacity to Meet Rising Power Demand

The Pennsylvania plant, site of the worst U.S. nuclear energy accident, is at the forefront of efforts to expand nuclear capacity to meet rising electricity demand.

How Electric Car Batteries Might Aid the Grid (and Win Over Drivers)

Automakers are exploring energy storage as a way to help utilities and save customers money, turning an expensive component into an industry asset.

Tesla Pullback Puts Onus on Others to Build Electric Vehicle Chargers

The automaker led by Elon Musk is no longer planning to take the lead in expanding the number of places to fuel electric vehicles. It’s not clear how quickly other companies will fill the gap.

Summer Has Long Stressed Electric Grids. Now Winter Does, Too.

Electric utilities, which designed their system to meet peak demand in sizzling weather, are straining to keep up during the cold.

California Has Dealt a Blow to Renewable Energy, Some Businesses Say

Some companies are leaving the state or reducing their presence there after California greatly reduced incentives for homeowners to install rooftop solar panels.

What Ails Offshore Wind: Supply Chains, Ships and Interest Rates

Government officials and energy developers misjudged the difficulty of building huge clean energy projects in the United States, which has built very few of them.

How Your Child’s School Bus Might Prevent Blackouts

When not driving around, electric buses and other vehicles could help utilities by storing their solar and wind energy and releasing it to meet surges in demand.

Hawaiian Electric Was Warned of System Fragility Before Maui Wildfire

The utility knew it needed to upgrade its equipment but did not make changes that could have reduced risks of fires, energy experts said.

A New Job for Electric Vehicles: Powering Homes During Blackouts

Some energy experts say battery-powered vehicles will increasingly help keep the lights on and support electric grids, rather than straining them.