Home batteries are suddenly cheap and everywhere. Here’s why.

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 Electric launches $35/month Powerwall whole-home backup lease
Tesla Electric launches $35/month Powerwall whole-home backup lease

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 raises $750M to build more 100-hour batteries for the grid

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 starts Megapack 3 production with 28% more energy per unit
Tesla starts Megapack 3 production with 28% more energy per unit

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…

Trump weaponizes FCC to ban new foreign-made connected solar inverters
Trump weaponizes FCC to ban new foreign-made connected solar inverters

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 raises another $1B to save the grid using backyard batteries

Base Power’s $1 billion round will help the startup ramp production of its home batteries.

CATL’s 30-year sodium-ion battery takes over grid storage
CATL’s 30-year sodium-ion battery takes over grid storage

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 clean power project is 40 miles north of xAI’s unpermitted gas power plant

Google’s biggest solar and battery project stands in sharp contrast with xAI’s nearby unpermitted power plant.

A new sodium battery posts wild four-minute charging numbers, but don’t expect it in an EV yet

A sodium-metal battery reached a four-minute laboratory rate, but its strongest lifespan figures came from slower and smaller tests. The pouch-cell results show why EV use remains a long way off.

BYD wins 11.3 GWh battery deal for world’s largest solar+storage
BYD wins 11.3 GWh battery deal for world’s largest solar+storage

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…