Over the past decade, the U.S. energy storage sector has gone from a niche to a necessity. In 2014, total battery storage capacity was only a few hundred megawatts. By 2024, we had surpassed 26,000 MW—an increase of more than 50 times.
The chart below (source: EIA 860-M) shows how storage has grown, especially since 2020, driven by: falling battery costs, clean energy mandates and tax incentives, grid modernization, and the integration of renewable energy.
This increase is not just a milestone, but a signal. Energy storage is no longer an afterthought; it is critical to the clean energy transition.