Solar energy storage is the process of storing electricity generated by solar panels for later use, thereby enhancing the reliability and integration of renewable energy sources. ✅ Stores excess solar power for use during night or cloudy periods. Even the most ardent solar evangelists can agree on one limitation solar panels have: they only produce electricity when the sun is shining. As renewable energy sources, particularly solar power, gain traction, understanding solar energy storage becomes essential for maintaining a stable energy. . Solar energy storage captures excess solar power in batteries or thermal systems. What is Solar Energy Storage? Solar energy storage. .