Earlier quoted context omitted.
you need to read up on the economics of "public goods", other people have thought this through before you. In a nutshell, police and fire protection benefit everyone, because if your neighbor has low crime or low chance of fire spreading, that also benefits you, so it makes sense to include everyone in the plan. But while the $7500 was paid for by everybody else, the only person with the $0 electric bill is GP, which…
The subsidy was to incentivize adoption of technology to fight climate change. As a result, he took actions that reduced CO2 emissions, which everyone benefits from.
Instead of him saying "for net zero cost, I've reduced my carbon footprint, which is great!" he's crowing about "I don't pay anything any more!" That is a private benefit that he loves, that we paid for, and we do not benefit from.