You can't do just V2H, but Enphase and others have moved to simpler meter collars and grid disconnect for exactly this reason.
The main question for this thread remains who the Enphase / ISO standards friendly OEMs will be. With Tesla saying they'll allow it now, maybe others will get onboard, but the risk is that they wall themselves off.
What Enphase/ISO standard is this? I’ve never heard of it, and my attempt to search came up with nothing useful. There’s ISO 15518-20 bidirectional, which seems like it barely solves the problem.
It should be possible for a vehicle’s built-in inverter/charger, the EVSE, and the MID to all cooperate even if all three are from different vendors, but this is not a thing.
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