Energy storage

Solar

Puerto Rico closes $861M DOE loan guarantee for huge solar-battery project

The island has ambitious climate goals and a ton of rooftop solar, but has so far built few large-scale clean energy projects. Project Marahu could change that.

By Akielly Hu . 15 October 2024

Solar panels in Humacao, Puerto Rico. (Lester Jimenez/AFP via Getty Images)

Batteries

People power: Hawaii utility wants to pay households to share clean energy

Hawaiian Electric and rooftop solar installers have agreed on a plan to shore up the state's grid. California, are you watching?

By Julian Spector . 14 February 2022
Long-duration energy storage

Iron-air battery maker Form has an unexpected new customer: Georgia Power

The regulated utility is only the second known customer trying out the novel technology for clean long-duration energy storage.

By Julian Spector . 10 February 2022
Policy & regulation

Will California finally fix its community solar programs?

A plan to promote community solar projects paired with batteries has the support of rooftop solar boosters and skeptics alike, plus the state's building industry.

By Jeff St. John . 3 February 2022
Long-duration energy storage

Lithium-ion batteries beat novel long-duration tech in California contest

Community coalition opts for tried-and-true standby over flashy upstarts to provide 8 hours of energy storage.

By Julian Spector . 27 January 2022
Energy storage

How NineDot Energy will use $100M to install distributed batteries in NYC

Investment from private equity firm Carlyle could put the startup’s battery parks on the map — if it can navigate a complex urban energy market.

By Jeff St. John . 21 January 2022
Energy storage

Energy Vault pivots, Ford tantalizes, and more energy storage news

Dispatches from the first solar-storage expo in years.

By Julian Spector . 18 January 2022
Long-duration energy storage

Goldman Sachs just made a record-setting investment in long-duration energy storage

The banking giant is betting $250M on Canadian startup Hydrostor and its novel underground system to store clean energy for the grid.

By Julian Spector . 10 January 2022
Energy storage

Grid energy storage surged in 2021, as we predicted

Your humble correspondent presaged 5 market trends, and they all came to pass.

By Julian Spector . 5 January 2022
Workforce diversity

Charging Up: Women’s climatetech career moves at SunPower, Borrego, Nextracker, Duracell, SEIA and more

Whether you're developing the multi-megawatt deals or covering them in the press, we salute you.

By Eric Wesoff . 4 January 2022
Energy storage

Big batteries are booming in California, but the outlook for small-scale storage just got more uncertain

A new plan for solar net metering could slow adoption of home batteries — just when the state needs them most.

By Elizabeth McCarthy . 23 December 2021