Herbert Svensson stands beside the electrical installation linking electric vehicles, stationary battery storage and the local power grid at the BRF Stenberg condominium association on May 28, 2026 in Hudiksvall, Sweden. The residential pilot project uses Vehicle-to-Grid (V2G) technology, enabling electric vehicles to act as mobile energy storage units capable of supplying electricity back to the local grid when needed. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)