Is solar worth it in California?
Short answer for a typical California home: a strong payback — roughly 4.2 years to break even after the 30% credit. Run your own bill through the calculator below.
California gets excellent sunshine — about 5.5 peak sun hours a day — and residential electricity runs around $0.31/kWh. For a typical $150-a-month power bill, that points to roughly a 3.6-kW system costing about $7,592 after the 30% federal tax credit, paying for itself in about 4.2 years and netting on the order of $53,772 over 25 years. Your own numbers will differ — the calculator above uses your real bill.
California's high electricity rates make solar savings large, but NEM 3.0 slashed the credit for power you export to the grid — so payback is best if you use most of your solar as you generate it, or pair it with a battery. Even so, high rates keep the math attractive.
What changes the math in California
- Your electricity rate — the more you pay per kWh, the more each solar kWh saves you. California sits at about $0.31.
- Sun hours — more sun means a smaller, cheaper system covers the same usage. California averages ~5.5 hours.
- Net metering / buyback — how your utility credits power you export swings the payback; check your specific utility's current terms.
- Install cost — quotes vary by installer and roof; the calculator defaults to a typical $/watt you can override.
Put an honest calculator in front of ready-to-buy homeowners
Installers, EPCs and energy brands use SolarDime as a no-pressure first step. Homeowners get a transparent estimate; you get warmer, better-educated prospects instead of cold form-fills.
- Co-branded & embeddable — run the calculator on your own site or link out to it.
- Warmer leads — homeowners arrive educated, with a payback number already in hand.
- Affiliate & revenue-share friendly — geo-targeted referral traffic on your terms.