The energy storage as a service (ESaaS) market is anticipated to experience robust growth from 2025 to 2033, with increasing adoption of renewable energy sources and the integration of distributed energy systems serving as key drivers for market expansion. With an estimated valuation of approximately USD 1.39 billion in 2025, the market is expected to reach USD 4.2 billion by 2033, registering a strong compound annual growth rate (CAGR) of 13.6% over the forecast period. This upward trajectory is further propelled by advancements in battery technologies, favorable regulatory policies, and growing emphasis on sustainable energy solutions to support the global energy transition.