Tesla Rolls Out V2H Capability to Model 3 and Model Y, While Europe Wraps Up EV4EU V2G Trial

Tesla has quietly opened the door to bidirectional charging for its two highest-volume models. According to Not A Tesla App, every Model 3 and Model Y assembled in the United States from October 1, 2026 onward is now capable of vehicle-to-home (V2H) operation. Some examples built earlier than that cutoff — reportedly as far back as April — may also carry the necessary hardware and could see the feature enabled through a software update.

The move matters because it turns a parked Tesla into a backup power source for the home rather than an appliance that only draws electricity. V2H lets an EV discharge stored energy back into a house during an outage or peak-rate window, effectively doubling as a large stationary battery. Tesla has long been expected to add this functionality, and its arrival follows years of owner requests and pressure from competitors that already offer some form of bidirectional power flow.

The timing also lines up with broader momentum behind bidirectional charging on the other side of the Atlantic. The EV4EU research project, a European initiative examining how electric vehicles can interact with the grid, has now concluded its trial phase. EV4EU explored vehicle-to-grid (V2G) scenarios in which parked EVs feed power back to the grid to help balance supply and demand, an idea that utilities see as increasingly valuable as renewable generation grows.

Together, the two developments point in the same direction: the EV is shifting from a simple consumer of electricity to an active participant in the energy system. V2H serves individual households looking for resilience, while V2G serves the grid at large. Both depend on the same underlying capability — a car that can send power back out as easily as it takes it in.

For Tesla owners, the practical question now is which cars qualify and when the feature actually becomes usable. Owners of recent US-built Model 3 and Model Y vehicles will want to check their hardware configuration and software version, while older cars remain dependent on whether they were built with the requisite components. As more manufacturers follow suit, bidirectional charging looks less like a niche experiment and more like a standard expectation for the next generation of EVs.