US Solar Calculators & Tools (2026)
Interactive US solar tools with 2026 post-credit economics — no federal tax credit assumptions. Compare all 50 states, model loan payments, and size battery backup for outages.
📅 Updated: 2026-10-04
Solar Savings Hub Editorial Team
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50-State Solar Policy Matrix
Compare net metering, buyback rates, state tax credits, and SREC markets across all 50 states — now the deciding factor in post-credit solar economics.
Open the matrix →💰
Solar Loan & EMI Calculator
Model monthly payments, APR scenarios, and re-amortization on 2026 terms — without the legacy ITC-balloon assumption.
Calculate payments →🔋
Battery Backup Runtime Calculator
Simulate how long a Powerwall 3 or home battery runs your essential loads during a blackout.
Size your backup →2026 note: all US calculators on this page use post-credit economics — the 30% federal tax credit ended December 31, 2025. Looking for India tools? Visit the global tools hub.