The household energy storage market is experiencing robust growth, driven by increasing electricity costs, rising concerns about grid reliability, and the expanding adoption of renewable energy sources like solar panels. . released by the CEC for 2022. The market, estimated at $15 billion in 2025, is projected to exhibit a. . Kapolei Energy Storage (KES) is ideally located on roughly eight acres of land in Kapolei on the island of Oahu, where it interconnects at a critical Hawaiian Electric substation. As noted by Wood Mackenzie in a recent post, 11% of US homes with solar installations now include a battery storage system. 232 Billion in 2024 and is projected to reach USD 10.