Overview
- Virtual power plants (VPPs) are software systems that group home batteries, EV chargers, smart thermostats and other devices so they can be dispatched like a conventional power plant to balance supply and demand.
- A large demonstration in California showed the operational scale of VPPs when more than 140,000 home batteries discharged together to deliver roughly 580 megawatts to the grid during a peak event on September 9, 2026.
- U.S. and state programs plus corporate procurement are accelerating deployments, and the U.S. Department of Energy has set liftoff goals that envision roughly 80 to 160 gigawatts of VPP capacity by 2030.
- Major barriers remain: many installed batteries are technically VPP‑capable but not enrolled, market accreditation and access rules slow participation, and homeowners face complex contracts, unclear payments and concerns about battery wear from cycling.
- AI-driven forecasting and aggregator software are improving dispatch and revenues, and VPPs could cut the cost and lead time of new capacity, but limits on discharge duration and local network rules mean VPPs are a complement to, not a full replacement for, larger power projects.