NEM 3.0 and batteries
California
Costs, SGIP, tax treatment, export compensation, and battery economics.
Federal solar tax credit in 2026: new installations vs. 2025 claims
Four detailed guides are live. More states will be added only when the data is checked and the page is complete.

Costs, SGIP, tax treatment, export compensation, and battery economics.
Local rebates, buyback plans, property-tax treatment, and payback estimates.
Tax exemptions, utility rules, insurance considerations, and cost estimates.
State tax credit, utility tariffs, export rates, and storage trade-offs.