I've been writing about home battery systems for more than a year, but these big devices are hard to test hands-on. For one, they're far bigger and more expensive than, say, a phone. And you have to ...

Solar electric vehicle startup Aptera Motors released a new update today, giving us a first look at its validation vehicle assembly line, along with progress on battery production and efficiency ...

U.S. energy needs have changed dramatically over the last few decades, and questions are growing as to whether our grid can manage these new demands. Aside from rising temperatures—the National ...

Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but this does not influence our evaluations, lender star ratings or the order in which lenders are ...

Researchers in Hungary have developed a model to calculate the optimal PV and battery storage balance to support the European grid in the next few years. They found that the cost-optimal range is at ...