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Updated for 2026 — federal ITC (25D) expired Dec 31, 2025Solar Topics Hub
Everything on PVFig in one place: calculators to run your own numbers, state-by-state data with real sources, research-backed data pages, and plain-English guides. Every figure is dated and cited.
🧮 Calculators
Interactive tools — run your own numbers, not a national average.
Solar ROI Calculator
Open →Reverse Payback Calculator
Open →Is Solar Worth It? Quiz
Open →State Comparison Tool
Open →Financing Comparison
Open →Battery Payback Calculator
Open →SREC Income Calculator
Open →System Size Calculator
Open →Solar + EV Calculator
Open →Rate Sensitivity Calculator
Open →All calculators →
Open →🗺️ By State
Real electricity rates, production, net metering & incentives for every state.
📊 Real Data Pages
Dated, sourced research and policy timelines — the numbers behind the advice.
📚 Guides & Articles
Plain-English explainers on every solar decision.
Is Solar Worth It After the 2026 Tax Credit?
Open →Solar Panel Cost by State (2026)
Open →Net Metering vs Net Billing
Open →Solar Lease vs Buy vs PPA
Open →Solar Battery Storage — Worth It 2026?
Open →Best Home Batteries 2026
Open →Home Battery Rebates by State
Open →Commercial Solar & the 48E Credit
Open →Virtual Power Plants (VPP)
Open →Community Solar by State
Open →All guides →
Open →Not sure where to start? Run the 30-second worth-it quiz, then check your state’s guide for the real numbers.