Climatetech finance

Long-duration energy storage

Form Energy raises $405M for its 100-hour iron-air batteries

The long-duration energy storage startup has raised a total of $1.2 billion. Form is expanding its West Virginia factory and working on its first deployments now.

By Jeff St. John . 9 October 2024

Form's factory in Weirton, West Virginia. (Form Energy)

Climate justice

Small island nations suffer under broken and 'cruel' climate finance system

At COP26, leaders of developing countries seek a way out of the vicious circle of debt and storm damage. Will rich countries and major players listen?

By Jeff St. John . 3 November 2021
EV charging

Why Amazon is investing in a startup that's shrinking the footprint of EV charging

Resilient Power uses cutting-edge electronics to make heavy-duty EV charging cheaper, smaller and more flexible.

By Jeff St. John . 2 November 2021
Grid edge

Generac acquires smart thermostat maker ecobee

Ecobee broke with Amazon over customer privacy. Now it's found a home in Generac’s growing clean home energy ecosystem.

By Jeff St. John . 1 November 2021
Electric vehicles

Battery swapping: The killer app for electrifying India's millions of tuk-tuks?

Startup Power Global says modular batteries and swapping stations can cut the cost of transitioning to EVs in developing markets. It has a lot of competition.

By Jeff St. John . 27 October 2021
Energy storage

Used EV batteries are storing solar power at grid scale — and making money at it

B2U Storage Solutions raises $10M to scale up site that sells solar power stored in Nissan Leaf batteries in California's wholesale markets.

By Julian Spector . 18 October 2021
Clean industry

Can the US take the lead on cleaner lithium production?

Three companies are attracting private and public funding for their potentially game-changing efforts to extract lithium from brine in California.

By Elizabeth McCarthy . 14 October 2021
Climatetech finance

Top home solar lender GoodLeap scores mammoth $800M investment

The company formerly known as Loanpal is making the leap from home solar and batteries to financing broader home efficiency improvements.

By Jeff St. John . 13 October 2021
Energy efficiency

BP acquires Blueprint Power to tap the grid-balancing capability of big buildings

The startup has 13MW of flexible energy in its NYC portfolio and is looking to expand.

By Jeff St. John . 7 October 2021
Workforce diversity

Charging Up: Women's climatetech career moves at Fluence, Urbint, Omnidian, SDG&E and more

From nonprofits to the veep suite, women are making major strides in clean energy.

By Eric Wesoff . 7 October 2021
Energy storage

SoftBank’s renewables developer just made the biggest flow battery purchase ever

The huge order is a boon for SPAC-bound manufacturer ESS and a vote of confidence in its lithium-ion alternative.

By Julian Spector . 1 October 2021

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Climatetech finance

Form Energy raises $405M for its 100-hour iron-air batteries

Small island nations suffer under broken and 'cruel' climate finance system

Why Amazon is investing in a startup that's shrinking the footprint of EV charging

Generac acquires smart thermostat maker ecobee

Battery swapping: The killer app for electrifying India's millions of tuk-tuks?

Used EV batteries are storing solar power at grid scale — and making money at it

Can the US take the lead on cleaner lithium production?

Top home solar lender GoodLeap scores mammoth $800M investment

BP acquires Blueprint Power to tap the grid-balancing capability of big buildings

Charging Up: Women's climatetech career moves at Fluence, Urbint, Omnidian, SDG&E and more

SoftBank’s renewables developer just made the biggest flow battery purchase ever