Clean energy

Solar

Is space-based solar ready for liftoff?

Caltech plans to advance a solar-from-space concept that was first proposed by science fiction writer Isaac Asimov in the 1940s.

By Jason Deign . 11 June 2021
Long-duration energy storage

Long-duration energy storage can help clean up the grid, but only if it's super cheap

To compete with clean firm generation, long-duration storage needs to come down massively in price.

By David Roberts . 10 June 2021
Batteries

A huge battery fleet is coming to the Philippines

Fluence is delivering 470 megawatts of grid batteries to bolster grid stability in just over a year's time.

By Julian Spector . 10 June 2021
Opinion

Building retrofits can duplicate the success of wind and solar power

Smart government policies have spurred rapid acceleration in renewable energy. They can do the same for building efficiency upgrades.

By Richard Roberts . 9 June 2021
Batteries

Biden admin aims to make the US a world leader in lithium-ion batteries

The fast-growing lithium-ion battery sector is the key to powering EVs and decarbonizing the grid — and the U.S. doesn’t want to be left behind.

By Jeff St. John . 9 June 2021
Nuclear

Newsletter: Which comes first, nuclear fusion or green hydrogen?

Sooner or later someone will ask you what's up with nuclear fusion or green hydrogen.

By Julian Spector . 9 June 2021
Transmission

New Orleans has a new clean energy standard. Now it wants a more modern transmission grid

After New Orleans passed the first clean energy standard in the Gulf South, a city leader is pushing for a more renewable-friendly and reliable grid.

By Andy Kowalczyk . 7 June 2021
Nuclear

Newsletter: Cheap clean power is great — unless you're a struggling nuclear plant

Unexpectedly low pricing in the Mid-Atlantic grid system was good news for renewables and bad news for certain nuclear plants.

By Julian Spector . 7 June 2021
Nuclear

Low prices in PJM’s capacity auction spell trouble for Exelon’s Illinois nuclear fleet

A long-delayed auction yields lower-than-expected prices in the country’s biggest capacity market. That’s bad news for struggling nuclear power plants.

By Jeff St. John . 4 June 2021
Transmission

Western states look to regional transmission organizations to boost clean energy's pathways to market

Bills in Nevada and Colorado would set a 2030 target for utilities to join regional transmission organizations.

By Jeff St. John . 3 June 2021