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)

Grid edge

Inside the software running Sunrun's home solar-battery fleets

Virtual power plants are only as good as the software that controls them. Here's how Lunar Energy is making the most of Sunrun's grid potential.

By Jeff St. John . 21 February 2023
Grid edge

PG&E is testing different flavors of virtual power plant

What's the best way for home batteries to help ease summer grid stress? This California utility is trying out two different models with Tesla and Sunrun.

By Jeff St. John . 20 February 2023
Climatetech finance

Two superstar investors go all-in on Complete Solaria merger

John Doerr and T.J. Rodgers put their money on vertically integrated residential solar.

By Eric Wesoff . 14 February 2023
Climatetech finance

Solar hardware maker Nextracker scores $638M in 2023’s biggest IPO so far

Eschewing the SPAC siren song, the tracker manufacturer went public in an old-school IPO that exceeded analysts' expectations.

By Eric Wesoff . 13 February 2023
Solar

Want to go solar? These companies and groups are here to help

Shaded roof? Tight budget? Confused by all the options? There are resources to help all kinds of people access solar power.

By Eric Wesoff . 10 February 2023
Grid edge

Texans can now sign up for virtual power plant to help grid, make money

Tesla, Octopus Energy and other power retailers are offering customers compensation to use their solar and batteries to make the grid more efficient and clean.

By Julian Spector . 27 January 2023
Air travel

A giant solar microgrid is coming to New York City’s JFK airport

Some 13,000 solar panels will cover a new terminal being built at JFK, giving the airport a clean power supply that can keep operations running even in a blackout.

By Maria Gallucci . 26 January 2023
Solar

Community-solar industry shoots for 30GW by 2030

Thanks to the Inflation Reduction Act and solar-power momentum in states, community-solar installations have potential to soar in the U.S., coalition says.

By Alison F. Takemura . 18 January 2023
Solar

How to get solar to low-income families? Rhode Island has a new plan

Solar companies will partner with the state government to install and lease solar arrays with the aim of saving money for homeowners from the start.

By Lisa Prevost . 16 January 2023
Solar

Qcells to invest $2.5B in building out US solar supply chain

Inflation Reduction Act tax credits spur Qcells to make a major investment in Georgia solar factories and to expand its U.S. polysilicon supply.

By Jeff St. John . 11 January 2023