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

Camus Energy: Grid software for small utilities with big clean energy ambitions

A San Francisco startup with Google software talent is helping rural co-ops and municipal utilities make big gains in renewables and distributed energy — without the high-tech price tag.

By Jeff St. John . 20 July 2021
Climatetech finance

Veteran investor Ecosystem Integrity Fund raises $250M amid cleantech funding boom

The early-mover investment fund draws on a decade of experience to navigate a heady market.

By Julian Spector . 16 July 2021
Hydrogen

Newsletter: The physical footprint behind the hydrogen economy hype

If the world goes big on green hydrogen, it would entail a massive buildout of wind and solar.

By Julian Spector . 14 July 2021
Workforce diversity

Charging Up: Women’s cleantech career moves at DOE, Energy Vault, Shoals, The Ray and more

Energy Secretary Granholm gets a new senior advisor, women lead the SPAC that's merging with Heliogen, and a new college program will train women for jobs servicing EVs.

By Eric Wesoff . 13 July 2021
Transmission

Newsletter: The rooftop solar vs. transmission showdown that wasn't

Reports of a clean energy schism are generating a lot of solidarity.

By Julian Spector . 13 July 2021
Climatetech finance

Newsletter: 3 more clean energy SPAC updates you should know about

Clean energy startups are going public at a rate I've never seen in my years covering this sector.

By Julian Spector . 12 July 2021
Climatetech finance

Yet another clean energy SPAC: Solar financier Sunlight lists on the New York Stock Exchange

It’s the first solar loan provider to go public via SPAC, joining a growing roster of clean energy companies taking that route.

By Emma Foehringer Merchant . 12 July 2021
Clean energy

A microgrid powered only by solar and batteries points the way to bigger all-renewable grids

Australia’s Horizon Power and partner PXiSE showed they could power a town without generators. The implications for expanding renewable energy are massive.

By Jeff St. John . 12 July 2021
EV charging

EDF Renewables makes smart EV charging the centerpiece of its distributed energy strategy

Subsidiary PowerFlex makes software for EV fleets that enables on-site solar, batteries, energy management and microgrids.

By Jeff St. John . 8 July 2021
Solar

Heliogen goes SPAC to revive concentrated solar power

Will an infusion of cash help the California-based startup resuscitate this neglected technology?

By Julian Spector . 8 July 2021

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Solar

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

Camus Energy: Grid software for small utilities with big clean energy ambitions

Veteran investor Ecosystem Integrity Fund raises $250M amid cleantech funding boom

Newsletter: The physical footprint behind the hydrogen economy hype

Charging Up: Women’s cleantech career moves at DOE, Energy Vault, Shoals, The Ray and more

Newsletter: The rooftop solar vs. transmission showdown that wasn't

Newsletter: 3 more clean energy SPAC updates you should know about

Yet another clean energy SPAC: Solar financier Sunlight lists on the New York Stock Exchange

A microgrid powered only by solar and batteries points the way to bigger all-renewable grids

EDF Renewables makes smart EV charging the centerpiece of its distributed energy strategy

Heliogen goes SPAC to revive concentrated solar power