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)

Clean energy

California may build 11.5GW of almost all carbon-free resources to replace its last nuclear plant

Regulators have decided that adding 7.5 GW by 2026 won’t be enough after the Diablo Canyon nuclear plant closes. Can California build so much clean and reliable grid capacity in time?

By Jeff St. John . 26 May 2021
Transmission

The good news and bad news for clean energy from LBNL’s nationwide interconnection study

Solar, wind and energy storage projects make up a massive share of grid interconnection requests, but they’re taking longer to connect and dropping out more often.

By Jeff St. John . 26 May 2021
Grid edge

Why LS Power is going big into microgrids with Endurant Energy

A major player in power plants, grid-scale batteries and transmission targets investments in distributed energy, from geothermal heat pumps and generators to solar and storage.

By Jeff St. John . 24 May 2021
Grid edge

California’s race to secure its grid against summer blackouts

Gigawatt-scale batteries and more demand-side resources are lined up. But weather extremes still threaten to stress California’s grid beyond its limits.

By Jeff St. John . 19 May 2021
Batteries

Arizona's largest utility restarts battery buildout after fire

Arizona Public Service will pair its solar plants with a major battery fleet built to rigorous new safety standards.

By Julian Spector . 17 May 2021
Batteries

Newsletter: They could have been (battery) contenders

Every week is Battery Week here at Canary Media.

By Julian Spector . 17 May 2021
Batteries

Competitors to lithium-ion batteries in the grid storage market

Lithium-ion batteries probably have cars locked up, but what about grid storage?

By David Roberts . 14 May 2021
Energy storage

The architecture firm that wants to combine gravity storage with data centers

Data centers have to test their backup generators at least every month. WZMH Architects has a plan for what to do with the energy that is wasted.

By Jason Deign . 14 May 2021
Grid edge

Voltus raises $31M to go after the grid value of distributed energy

A VoltApp to aggregate DERs and a regulatory strategy to tap into new markets nationwide.

By Jeff St. John . 13 May 2021
Climatetech finance

Clubhouse with Canary: Cleantech investing in 2021

There's a new generation of cleantech investors leveraging more capital, more entrepreneurs and more risk than ever before.

By Eric Wesoff . 30 April 2021