Grid Titans completes second-life battery microgrid at Bay Area pediatric clinic

Grid Titans finished a second-life battery microgrid at Tamalpais Pediatrics in Novato, California, giving the clinic backup power for critical care during outages and solar electricity for daily use. The project, built with Repurpose Energy under a California Energy Commission EPIC grant, is meant to show how retired EV batteries can support reliable, lower-carbon energy systems.

Why it matters: - Tamalpais Pediatrics can keep vaccine refrigeration and other critical operations running during a grid outage. - The clinic can continue patient care without scrambling to discard spoiled doses or reschedule appointments after short outages. - The project shows a real-world use for retired electric vehicle batteries in a healthcare setting. - The system also produces clean solar power for day-to-day clinic use.

What happened: - Grid Titans completed a second-life battery microgrid at Tamalpais Pediatrics in Novato, California. - Grid Titans built the project with Repurpose Energy under a grant from the California Energy Commission’s Electric Program Investment Charge, or EPIC, program. - The system was announced on July 31, 2026. - The installation gives the clinic backup power and solar generation in one system.

The details: - Grid Titans delivered and integrated the system’s new switchgear, transformers and islanding equipment. - Grid Titans wired the building and connected the completed system to PG&E’s grid. - The team handled integration with the Repurpose Energy battery system. - The team secured the regulatory approvals needed to bring the system online. - The project met a hard deadline for the utility interconnection agreement. - The storage system uses retired Nissan LEAF batteries that were redeployed after their first use on the road. - The CEC’s EPIC program funds projects that demonstrate promising clean energy technologies in real-world conditions.

Between the lines: - Healthcare sites need backup power that is dependable, not just experimental, because outages can create immediate operational and patient-care risks. - Second-life batteries can extend the value of EV battery packs after vehicle use ends, which can lower waste and support stationary storage deployment. - The California Energy Commission is using EPIC to push technologies that are near commercial viability into everyday settings. - Jessica Schroeder, Grid Titans chief of operations, said the project shows second-life battery technology can work safely, reliably and economically in a demanding real-world environment. - Dr. Nelson Branco of Tamalpais Pediatrics said the clinic can keep caring for children during outages, generate enough power for daily operations and share clean solar energy with the community.

What's next: - The completed system serves as a demonstration for second-life battery microgrids in everyday commercial use. - The California Energy Commission is signaling that second-life battery technology may be ready to move beyond the pilot stage. - Similar installations could follow if the project helps prove performance, safety and economics at other critical facilities.

The bottom line: - Grid Titans and Repurpose Energy used a state-backed project to turn retired EV batteries into backup power for a pediatric clinic, showing how clean-energy storage can support both resilience and daily operations.**