External view of the Energy Systems Integration Facility at dusk

NREL's Energy Systems Integration Facility (ESIF) accelerates the efficient transition to future energy systems that are secure, resilient, reliable, affordable, and clean.

Researcher using visualization tools at NREL.

Learn about the ESIF’s advanced capabilities that power our research across energy systems integration, hydrogen technologies, and high-performance computing.

An ESIF Laboratory

Discover how you can access the ESIF's laboratories, researchers, and instruments to develop and validate emerging energy technologies for the future grid.

2021 ESIF Annual Report

From self-organizing microgrids and cyber threat emulations to solutions for continental energy integration, these are the need-to-know innovations that are advancing clean, equitable, and resilient energy. The 2021 ESIF Annual Report documents broad success in microgrid design, autonomous energy systems, electrified mobility, hydrogen, and more.

Report cover

Energy Systems Integration Newsletter

Breakthrough research in energy systems integration is happening at NREL every day. Be the first to know.