We signed up in 2021. We don't have an EV. Just panels and 2 Powerwall 2's. Got notice in winter that Eversource wasn't going to need any "event" days in the program. A week or so ago we got notice that they would be drawing from the battery for the summer period. They just started last week. A fewe things are kind of screwy, in my opinion, so far.
They control the battery during the discharge. Don't have a problem with this but you have no idea they are controlling it.
The discharge doesn't show up on the app when it's occurring. The app displays as Stand by and the battery at 100%. I don't know if being at 100% is a requirement for them to tap into it. After the "event" is done(after 7 or 8pm), the app displays the current state of the system.
They drain it down to the mid 20% level. This means that the next day you are charging battery from solar (assuming sunny day) and drawing from the grid to power the home until the battery is recharged. So you are feeding into the grid during the "event" and then sucking from the grid the following day.
So it's July 7th now. I believe there have been 3 or 4 "events". I believe that this period runs to the end of September, but they claim that there will be no more than 60 "events" for the summer. They cap at 5 "events" for the winter. I believe that Tesla squares up and pays after the end of the year.
I don't like not having control, or at least awareness, of my power supply. Got the batteries to provide that. ConnectedSolutions removes some of that security. We'll see how the payout is and then make the decision whether to continue or not.