Solar

California’s rooftop solar is a benefit, not a cost, to the state

A new study finds rooftop solar will save California $2.3B this year — a rebuttal to the ‘cost-shift’ math that’s led regulators to stifle solar growth.

By Jeff St. John . 15 November 2024

(Melina Mara/The Washington Post via Getty Images)

Clean energy

Chart: Wind and solar are outperforming coal on US grid this year

Renewables are making progress in replacing coal, but to decarbonize U.S. electricity by 2035, they'll need to replace fossil gas too.

By Dan McCarthy . 21 July 2023
Clean energy jobs

Chart: Which states have the most solar and wind power jobs?

Clean energy technologies, including solar and wind, accounted for nearly 87 percent of net new electric power generation jobs in the U.S. last year.

By Maria Virginia Olano . 7 July 2023
Clean energy manufacturing

A key piece of the solar supply chain will now be made in America

Enphase produced its first U.S.-made solar microinverter today — and President Biden was at the factory to tout the role his climate law played in making it happen.

By Julian Spector . 6 July 2023
Solar

Home batteries will help bolster Puerto Rico's grid in emergencies

Sunrun is launching a first-of-its-kind program on the island that will harness rooftop solar and battery storage systems to avoid rolling blackouts.

By Maria Gallucci . 27 June 2023
Electrification

Lunar Energy bets on a seamless 'ecosystem' for home electrification

Tesla's former residential energy chief raised $300 million to bring a vertically integrated home battery and energy controls system to market. Here's the result.

By Jeff St. John . 21 June 2023
Solar

Agrivoltaics finds new fans in US Senate

Agriculture and solar: a winning combination for farmers, the climate and now — thanks to two recently introduced bills — maybe the Senate, too.

By Alison F. Takemura . 20 June 2023
Solar

Can the US manufacture enough solar panels to meet its surging demand?

Probably not anytime soon, despite new federal incentives, the threat of tariffs against overseas competitors, and a huge ongoing buildout of manufacturing capacity.

By Eric Wesoff . 7 June 2023
Clean energy

Chart: US clean energy installations fall for first time in 5 years

Clean energy is still the country's dominant new source of power, but the slowdown is concerning since climate goals demand record installations every year.

By Dan McCarthy, Maria Virginia Olano . 26 May 2023
Solar

Solar developers face uncertainty amid local pushback in Ohio

State regulators have denied several solar projects in recent months, prompting clean energy developers to plead for greater clarity.

By Kathiann Kowalski . 23 May 2023
Solar

How robots could dramatically speed up solar farm construction

A number of companies are now using automation and AI to expedite utility-scale solar installations, ease labor shortages and protect workers from unsafe conditions.

By Eric Wesoff . 18 May 2023