“Californians just made it through the hottest August on record without having to endure any rolling power outages,” reports the Los Angeles Times. In fact, the state hasn’t implemented rotating power outages since 2020. Because “Over the last few years, California has quietly but dramatically increased the resiliency of its electrical grid through a significant expansion in battery energy storage.” These batteries hold onto solar energy captured during the day, so it can be sent to the grid as demand peaks in the evening and morning, when most people are at home running air conditioners and o