Turning cheap daytime solar into electricity you can actually use at night just got a lot cheaper. A new analysis from energy think tank Ember shows that utility-scale battery storage costs have ...

Battery costs have fallen sharply over the past two years. A steep drop in 2024 was followed by further declines in 2025, pushing storage within reach for dispatchable solar, according to Ember. The ...

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A new sodium-ion battery offers a cheaper and safer alternative to conventional lithium-ion systems, scientists say, paving the way for more sustainable EVs. When you purchase through links on our ...

The Department of Energy's Pacific Northwest National Laboratory has begun the first tests of a utility-grade battery at the new Grid Storage Launchpad, a major milestone for DOE's investment in ...

An early grid battery was installed in the Atacama Desert in Chile 15 years ago. Now, as prices have tumbled, they are increasingly being used around the world. Andes Solar IV, one of the largest ...

As grid operators search for reliable alternatives to lithium-ion technology, iron-sodium batteries are gaining momentum as a viable option for large-scale energy storage. Built on abundant and ...

If you own a recent iPhone with Apple Intelligence, this system setting is already helping to improve power management. Here's how it works. Jeff Carlson writes about mobile technology for CNET. He is ...