The battery storage shift is occurring as the Trump administration takes steps to stifle solar and other forms of renewable energy in favor of fossil fuels such as oil, gas and coal. At the end of September, the administration announced that it would open 13 million acres of federal lands for coal mining and provide $625 million to recommission or... See more

batteries have been transformative for California, state officials say. In late afternoon, when the sun stops hitting solar panels and people are home using electricity, batteries now push stored solar energy onto the grid.

California has invested heavily in the technology, helping it mature and get cheaper in recent years. Battery storage in the... See more