Capstone Energy+, Inc. provides customized microgrid solutions, on-site resilient energy-as-a-service (EaaS) offerings, and on-site energy technology systems. Its products include stationary distributed power generation and energy distribution solutions such as cogeneration systems (combined heat and power, and combined cooling, heat, and power), renewable energy and critical power supply applications, and inverter-based technologies that stabilize microgrids integrating renewables, battery storage, and other distributed energy resources. The company also offers microturbine energy systems, energy rental solutions, factory protection plan service contracts, aftermarket spare parts, and an Energy Surplus Program. It develops energy solutions for AI and data center applications. Formerly known as Capstone Green Energy Holdings, Inc., it changed its name to Capstone Energy+, Inc. in April 2026. Founded in 1988, it is headquartered in Van Nuys, California.