RKCRLR
Active Member
I'm on EV2a, use the Advanced cost saving setting matched to the EV2a rate schedule, and have my Powerwalls set to a 50% reserve for outages.
On most days this allows me to power my house off the powerwalls from 3pm to midnight and recharge the powerwalls before 3 pm the next day.
My powerwalls were installed in June but I didn't get switched to EV2a until October.
My target is to have no excess generation where I'm paid $0.03/kWh for the surplus energy at True-Up. I'm probably going to overshoot this year. If I do, I'm going to do a combination of increasing my reserve and reducing the partial-peak hours in the app to reduce the number of cycles on the powerwalls. Hopefully, PG&E doesn't monkey with the rates to a point that I'm always chasing a $0 True-Up.
What would be interesting to see is cost analysis of a powerwall cycle vs the $0.03/kWh you are paid. I.e., are you better off reducing the powerwall life (and having to replace it sooner) to get the $0.03/kWh? I don't think so but I haven't seen the numbers. What would be really interesting is to see the $/kWh break-even point where you are better off paying for power than wearing out the powerwall.
On most days this allows me to power my house off the powerwalls from 3pm to midnight and recharge the powerwalls before 3 pm the next day.
My powerwalls were installed in June but I didn't get switched to EV2a until October.
My target is to have no excess generation where I'm paid $0.03/kWh for the surplus energy at True-Up. I'm probably going to overshoot this year. If I do, I'm going to do a combination of increasing my reserve and reducing the partial-peak hours in the app to reduce the number of cycles on the powerwalls. Hopefully, PG&E doesn't monkey with the rates to a point that I'm always chasing a $0 True-Up.
What would be interesting to see is cost analysis of a powerwall cycle vs the $0.03/kWh you are paid. I.e., are you better off reducing the powerwall life (and having to replace it sooner) to get the $0.03/kWh? I don't think so but I haven't seen the numbers. What would be really interesting is to see the $/kWh break-even point where you are better off paying for power than wearing out the powerwall.
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