Companies including Tesla and Base Power are vying for a piece of the rapidly growing market for home batteries. One technology has made it all possible.

Tesla is now renting out whole-home backup for about $35 a month in Texas. The catch: you lease two Powerwalls and sign up for Tesla Electric.
Tesla Energy announced the new “Powerwall Lease” today, bundling the battery hardware with its own retail ele…
Form Energy has landed Google and Crusoe as customers. Now, it has raised $750 million to expand manufacturing to deliver its massive, 100-hour batteries.

Tesla has started building its next-generation Megapack 3 grid battery, with the first units rolling off the line at the company’s new Megafactory in Brookshire, Texas.
The plant went from groundbreaking to production in 16 months and is designed to bu…

The FCC added foreign-made connected power inverters to its Covered List on July 28, cutting off the federal authorization new models need to be imported, marketed, or sold in the US.
It’s aimed at the radios inside modern inverters, not the power elec…
Base Power’s $1 billion round will help the startup ramp production of its home batteries.

CATL has signed a memorandum of understanding with Dutch energy company Alfen to deploy 5 GWh of its Tener Sodium energy storage systems across Europe, one of the largest sodium-ion commitments the region has seen.
The batteries are rated for 15,000 cy…
Google’s biggest solar and battery project stands in sharp contrast with xAI’s nearby unpermitted power plant.

BYD Energy Storage has landed a contract to supply 11.275 GWh of battery storage for Masdar’s Round the Clock (RTC) project in Abu Dhabi — one of the single largest energy storage procurements ever signed.
The RTC project pairs a 5.2 GW solar array wit…