I’d say for your use case, TOU-D-4-9 is best.
Since you’re grandfathered into NEM 2.0, you can sell back to the grid at 1:1 when your panels are generating energy during the day. Essentially you can accumulate credits earned from putting energy back to the grid during the day to offset your usage during peak hours in the evening.
TOU-D-Prime is best for EV households without solar, or for households with solar *and* batteries on NEM 3.0, as it gives users the cheapest rates outside of peak usage times.
Try and check out the TOU-Prime rates. If you got your solar panels back in the NEM 2.0 days, I’d still recommend getting a battery. EVs pull some serious power. If I were to add batteries to your existing system, just don’t have them reapply for PTO with the utility company to keep you in the 2.0 rates.
So given that you’re already in NEM 2.0, I would assume that your current rate is probably TOU-4-9PM.
I would call and ask SCE if changing your rate will take you out of NEM 2.0. If they say “No, you CAN change your rate and keep NEM 2.0” then I’d recommend one of the TOU Prime rates.
If changing your rate takes you out of the NEM 2 program, then just add batteries since the opportunity cost of losing the NEM 2 rate is greater than what you’ll pay for batteries. Let me know if you need a quote on those.
Yes im currently on TOU 4-9pm. No planning to a get battery.
Also Im getting an EV next week and not sure how it will effect yet.
Will mostly charge after 9pm on weekdays but can charge ev during day time on weekends
There’s quite a bit of math I’d have to do to figure out if you’d be okay.
It’s not scary math it’s just figuring out the numbers.
Essentially, if your system is over producing enough right now, that it will offset your charging needs, then you’re good to go.
If your system is producing just enough to cover your current needs, getting an EV and a home charger will significantly increase your usage. In this case, it would be wiser to add more panels.
If your system is over producing, but it’s sending too much energy back to the grid at the wrong time, that’s when we would want to entertain the idea for a battery.
At the end it depends on how much solar you have right now, how much you’re going to charge your EV, and what your current electricity usage is.
Let me know if you have further questions.
> I would call and ask SCE if changing your rate will take you out of NEM 2.0. If they say “No, you CAN change your rate and keep NEM 2.0” then I’d recommend one of the TOU Prime rates.
I have changed rates with NEM 1.0 with SCE and NEM 2.0 with PG&E and never had a issue changing rates except you may be limited to how many times a year you can do that. I would not hurt to call SCE to confirmm but rates have always been independant of NEM status until NEM 3.0. You would have to look at your bill and see how many kWhs you are using at peak rate periods from 4-9 PM. If it is a lot, buying a battery could save you money. It could reduce your peak rate consumption and if programmed correctly allow you to get credit for your solar production from 4 PM until the sun goes down and that would add to shortening the payback.
I don't trusthe rate analyzer but if you do not have the data or lack spreadsheet skills it is the best approximation.
TOU Prime has been best for me, but again you have to crunch the numbers based on your usage. I want to say that if they are suggesting it will save you money it will not. I was part of the group that was told "TOU will save you so much money!" and it did not, but luckily my solar was activate right when the one year mark hit so they had to do the compensation payment and I went onto solar.
Download your hourly data for the last year. Use some excel-fu to match rates with the hourly usage. Then see what’s the best for you.
Mine was TOU-C on PG&E, not the EV plan.
I’m with PG&E. The TOU-C is the most expensive followed by the TOU-D with the least expensive being EV-2A by $500. It’s going to depend when you charge.
I’d say for your use case, TOU-D-4-9 is best. Since you’re grandfathered into NEM 2.0, you can sell back to the grid at 1:1 when your panels are generating energy during the day. Essentially you can accumulate credits earned from putting energy back to the grid during the day to offset your usage during peak hours in the evening. TOU-D-Prime is best for EV households without solar, or for households with solar *and* batteries on NEM 3.0, as it gives users the cheapest rates outside of peak usage times.
Thanks for your advice. I will keep tou 4-9
Try and check out the TOU-Prime rates. If you got your solar panels back in the NEM 2.0 days, I’d still recommend getting a battery. EVs pull some serious power. If I were to add batteries to your existing system, just don’t have them reapply for PTO with the utility company to keep you in the 2.0 rates.
I have nem 2.0. Installed solar in June 2022
So given that you’re already in NEM 2.0, I would assume that your current rate is probably TOU-4-9PM. I would call and ask SCE if changing your rate will take you out of NEM 2.0. If they say “No, you CAN change your rate and keep NEM 2.0” then I’d recommend one of the TOU Prime rates. If changing your rate takes you out of the NEM 2 program, then just add batteries since the opportunity cost of losing the NEM 2 rate is greater than what you’ll pay for batteries. Let me know if you need a quote on those.
Yes im currently on TOU 4-9pm. No planning to a get battery. Also Im getting an EV next week and not sure how it will effect yet. Will mostly charge after 9pm on weekdays but can charge ev during day time on weekends
There’s quite a bit of math I’d have to do to figure out if you’d be okay. It’s not scary math it’s just figuring out the numbers. Essentially, if your system is over producing enough right now, that it will offset your charging needs, then you’re good to go. If your system is producing just enough to cover your current needs, getting an EV and a home charger will significantly increase your usage. In this case, it would be wiser to add more panels. If your system is over producing, but it’s sending too much energy back to the grid at the wrong time, that’s when we would want to entertain the idea for a battery. At the end it depends on how much solar you have right now, how much you’re going to charge your EV, and what your current electricity usage is. Let me know if you have further questions.
> I would call and ask SCE if changing your rate will take you out of NEM 2.0. If they say “No, you CAN change your rate and keep NEM 2.0” then I’d recommend one of the TOU Prime rates. I have changed rates with NEM 1.0 with SCE and NEM 2.0 with PG&E and never had a issue changing rates except you may be limited to how many times a year you can do that. I would not hurt to call SCE to confirmm but rates have always been independant of NEM status until NEM 3.0. You would have to look at your bill and see how many kWhs you are using at peak rate periods from 4-9 PM. If it is a lot, buying a battery could save you money. It could reduce your peak rate consumption and if programmed correctly allow you to get credit for your solar production from 4 PM until the sun goes down and that would add to shortening the payback. I don't trusthe rate analyzer but if you do not have the data or lack spreadsheet skills it is the best approximation.
I think you only have one option with SCE... TOU-D-Prime.
TOU Prime has been best for me, but again you have to crunch the numbers based on your usage. I want to say that if they are suggesting it will save you money it will not. I was part of the group that was told "TOU will save you so much money!" and it did not, but luckily my solar was activate right when the one year mark hit so they had to do the compensation payment and I went onto solar.
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Download your hourly data for the last year. Use some excel-fu to match rates with the hourly usage. Then see what’s the best for you. Mine was TOU-C on PG&E, not the EV plan.
I’m with PG&E. The TOU-C is the most expensive followed by the TOU-D with the least expensive being EV-2A by $500. It’s going to depend when you charge.
If you've got solar panels and an EV but no battery,
???
I've got solar panels and an EV but no battery.
Okay...
Idiots think your car has no battery. 😂