NEM 3.0
California's net-billing tariff that credits exported solar at roughly a quarter of the retail rate, making batteries far more valuable.
NEM 3.0 (the Net Billing Tariff) replaced full retail net metering in California in 2023. Exported solar is now valued at avoided-cost 'export' rates that average around 25% of retail, instead of 1:1. The practical effect is that storing your own generation in a battery and using it at night is worth much more than exporting it — so most NEM 3.0 systems are sized with storage.
Put it to work
See also