@Mr_GHARice @mdione @float13 @srtcd424 there is a bit in the inverter box that decides whether to recharge the batteries, deliver energy to the hourse or send it back to the grid, and it had been setup not to deliver energy to the grid, until the meter is ready for it
otherwise, the meter would have happily registered it as energy passing through it, and billed us for it
it's not the system that shuts everything down when there is a power outage, as there often is a trickle of energy going up into the grid according to the monitoring system, enough to be dangerous for people working on the outage, but not significant for billing reasons.