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The current March and April only Monday thru Friday time periods 10 am to 2 pm being Super Off Peak is becoming year round.
I have a program that pulls actual solar production from Solar Edge and calculates the value of that production based on the actual tariffs in place for each and every day.
Modifying this program to include a setting to treat the entire year having weekdays 10 to 2 be super off peak, my last years true up is as follows:
So, unless you have a very large unused NEM balance at the end of your true up period prior to this change, you will be looking at a larger true up amount owed.
And whenever the tariffs change again, if the spread between super off peak and off peak becomes larger, the pain will be greater.
The good news is that my six year old system recovered all costs in the first three years.
The other item of note that before this change, any battery made no economic sense, while a small battery could eliminate a substantial portion of the peak kWh usage BUT it would want to be configured to only recharge from 10 am to 2 pm (one could keep recharging to 4 pm of not fully charged and you expect to want more kWh for peak usage that day).
Based on my unused NEM balance these past six years, I expect to still have an unused NEM balance or perhaps owe $100 to $200 more - so again for me, a battery makes no sense until my 20 year NEM 2.0 eligibility ends.
Are we still loving CA?
P.S. I saw nothing about this change having been proposed / discussed - it just got announced April 21, 2026 (I just learned of this today).
I have a program that pulls actual solar production from Solar Edge and calculates the value of that production based on the actual tariffs in place for each and every day.
Modifying this program to include a setting to treat the entire year having weekdays 10 to 2 be super off peak, my last years true up is as follows:
| 01/09/2025 to 01/08/2026 | $Value | Peak kWh | Off Peak kWh | Super Off Peak kWh |
| March and April only weekdays 10-2 super off peak | $6562 | 2438 | 8704 | 3443 |
| All months weekdays 10-2 super off peak | $5700 | 2438 | 4602 | 7545 |
And whenever the tariffs change again, if the spread between super off peak and off peak becomes larger, the pain will be greater.
The good news is that my six year old system recovered all costs in the first three years.
The other item of note that before this change, any battery made no economic sense, while a small battery could eliminate a substantial portion of the peak kWh usage BUT it would want to be configured to only recharge from 10 am to 2 pm (one could keep recharging to 4 pm of not fully charged and you expect to want more kWh for peak usage that day).
Based on my unused NEM balance these past six years, I expect to still have an unused NEM balance or perhaps owe $100 to $200 more - so again for me, a battery makes no sense until my 20 year NEM 2.0 eligibility ends.
Are we still loving CA?
P.S. I saw nothing about this change having been proposed / discussed - it just got announced April 21, 2026 (I just learned of this today).