Batteries

A Massachusetts town uses batteries to help its grid — and its schools

Batteries can serve double-duty, shoring up the grid and providing backup to buildings when the power goes out. This project shows how.

By Jeff St. John . 7 October 2024

A computer rendering of Wakfield Municipal Light & Gas Department's battery and generator 'energy park' — A computer rendering of the Energy Park battery-and-generator project being built in Wakefield, Massachusetts, to provide grid services and backup power for two local high schools. (Wakefield Municipal Gas & Light Department)

Electric vehicles

Newsletter: Return of the tech that didn't work 10 years ago

Is cleantech replaying its worstest hits?

By Julian Spector . 23 August 2021
EV charging

Battery-swap startup Ample aims to beat out EV charging stations

Ample's contrarian approach could upend expectations about EV infrastructure.

By Eric Wesoff . 19 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