Julian Spector

Sizable Energy raised $8M to build a demonstration plant that stores energy for long durations by pumping brine between inflatable reservoirs in the sea.

Aligned Data Centers will pay to build a 31-megawatt battery, an early example of how AI developers can move fast if they’re willing to be flexible.

The state enhanced battery safety rules in response to the Moss Landing fire. The industry is on board, hoping better standards will reassure the public.

The Esmeralda 7 development would have been the largest solar farm in the U.S. But it was sited on federal land, so it needed an OK from the Trump admin.

It’s a standout fundraise for the current cleantech market. The Texas startup will use the money to beef up manufacturing and install batteries even…

The state’s combination of solar and battery plants has pushed clean generation of electricity to new heights, offering a welcome reprieve from high gas…

The country’s grid operator says shifting from coal to clean power is not only possible but inevitable. The work there could provide a road map for other…

Utilities are struggling to meet demand as AI data centers surge. Equipping air conditioners with batteries could be an easy and hugely scalable way to…

After relentless setbacks from the Trump administration, solar and storage pros are finding solace in booming demand for electricity.

Many companies have failed to harness the sea’s energy. Eco Wave Power thinks its shore-mounted tech, which it just installed at a wharf in LA, can buck…

The new storage product combines four Megapacks and a transformer in one handy package, aiming to pack in more battery cells and streamline installation.

States are under pressure to expedite wind and solar projects before GOP policies make them more expensive. Colorado is leading the way.

Solar power is having a bumper year as developers race to complete installations before Trump's policy changes pull the rug out from under the industry.

The startup’s first sodium-based grid-battery project has a novel design that cuts costs by virtually eliminating the need for temperature controls.

Energy Vault, Plug Power, and PG&E partnered on a project that replaces diesel generators with fuel cells to provide backup power for a small town in…

Redwood Materials says second-life batteries are the cheapest form of long-duration storage. If true, battery startups are in trouble — and renewables are…

Armed with lessons from five years of hooking up used EV batteries to the grid in California, B2U is making a 100-MWh foray into Texas’ volatile energy…

The Oregon-based battery firm filed for bankruptcy this summer, jeopardizing its 11.3 gigawatt-hours of storage projects installed around the world.

Manufacturing incentives survived in the GOP budget law, but solar factories will have to navigate subdued demand and detailed new anti-China rules.

The self-made solar billionaire is forging on with a new U.S. manufacturing business, despite tariff uncertainty and the loss of tax credits.