The federal residential solar tax credit (Section 25D) expired December 31, 2025. Every guide below reflects 2026 post-ITC pricing — real numbers for what homeowners and businesses actually pay today. Choose the guide that matches your question.
Average prices by system size, state comparison, and 2026 buyer's math.
Labor, equipment, permits, and soft costs — where the money actually goes.
Tesla Powerwall, Enphase, and home storage options compared.
Installed prices, utility rates, and payback periods across all 50 states.
Expansion costs, inverter compatibility, and when to expand vs. replace.
Tesla Solar Roof vs traditional panels: full cost comparison.
Business solar pricing, Section 48E ITC (still available), and PPA structures.
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