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

Companies and cities are taking the lead on clean energy purchases. When will market rules catch up?

A new report from the World Resources Institute breaks down the best ways to incentivize smart procurement.

By Jeff St. John . 23 August 2021
Solar

Newsletter: How people can play a role in Hawaii's shift to clean energy

A paradigm shift is afoot as the coal plant closure looms.

By Julian Spector . 19 August 2021
Energy storage

Newsletter: The battery knocking coal out of Hawaii

Part 2 of our newsletter series on Hawaii's groundbreaking move to clean energy.

By Julian Spector . 18 August 2021
Energy storage

Hawaii building huge new battery, bidding farewell to coal

Plus Power's Kapolei battery aims to keep Oahu's grid steady as the island's fossil fuel plants shut down.

By Julian Spector . 18 August 2021
Energy storage

Newsletter: Hawaii vs. fossil fuels

A dispatch from the Aloha State as it fights to eliminate coal power and replace it with clean stuff.

By Julian Spector . 17 August 2021
Energy storage

Ambri's liquid metal battery digs up $144 million in storage investment gold rush

Massive amounts of capital continue to chase the $0 billion long-duration energy storage market.

By Eric Wesoff . 10 August 2021
Solar

Newsletter: Sunrun's strategy to become a solar-powered utility

Plus, Canary Media readers have something to say about how to treat battery customers.

By Julian Spector . 10 August 2021
Batteries

Newsletter: How should you be compensated when companies tap your home battery?

Everyone wants to get paid, but a standard model hasn't yet emerged in this nascent industry.

By Julian Spector . 9 August 2021
Long-duration energy storage

Newsletter: Form Energy's long-shot business plan just might work

You heard about the secret recipe for long-duration storage, but here's the business case.

By Julian Spector . 5 August 2021
Long-duration energy storage

Long-duration energy storage is now a reality. How can it make money?

VC darling Form Energy's unproven path to market could become a model.

By David Roberts . 4 August 2021