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.

2020 ESIF Annual Report

The 2020 ESIF Annual Report documents broad success in diverse sectors spanning electrified mobility, microgrids, energy storage, cybersecurity and resilience, hydrogen, and the new Advanced Research on Integrated Energy Systems (ARIES) capabilities that will level-up our national research capacity for advanced energy systems.

Report cover

Energy Systems Integration Newsletter

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