California solar and home energy
Start with your utility, your roof and the questions that matter before you sign. Explore roof education and California electricity costs alongside these guides.
- Five questions before signing a solar proposalA short checklist for understanding costs, the remaining utility bill, the roof and contractor credentials.
- Fresno, PG&E, and why the battery question changedHow PG&E’s Solar Billing Plan values exported energy, what that reframes about storage, and the protections California gives you before you sign.
- California Net Billing (NEM-3), explained plainlyWhat the Net Billing Tariff is, who it applies to, how exports are valued, and what happens to customers on older net metering tariffs.
Arizona solar and home energy
Explore roof education and published APS and SRP prices alongside these guides.
- APS and SRP bills with solar on the roof. Start with the plan name shown on your bill, then the monthly or daily service charge, and whether the plan also bills demand.
- The way APS and SRP credit energy sent back to the grid. The rules depend on the utility and the plan, so read them before comparing proposals.