GM is using its Ultium battery tech for a lot more than EVs

I wasn't kidding when I told you that GM is going all-in on Ultium, the battery technology behind the company's electrification efforts, not to mention an entire generation of Chevy and GMC EVs. On Tuesday, the automaker announced that it is expanding its portfolio into energy management services — think big stationary batteries to store rooftop-generated solar power on a home or business — with its new spin-off business, GM Energy.