Solar cost calculator
Solar Panel Install cost estimator
Estimate the cost of a residential solar panel system — by system size, panel quality, and whether you add battery backup. Answer 4 quick questions and get a state-adjusted cost breakdown.
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State-specific solar cost guides
Long-form 2026 guides with metro-level labor rates, permit details, and budgeting tips — written specifically for 6 states.

Cost Guide
Solar Panels Cost in Pennsylvania 2026
What a residential solar install actually costs in Pennsylvania in 2026 — typical 8 kW system pricing gross + after federal tax credit, the three biggest local cost drivers, and net-metering reality.
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Cost Guide
Solar Panels Cost in Oregon 2026
What a residential solar install actually costs in Oregon in 2026 — typical 8 kW system pricing gross + after federal tax credit, the three biggest local cost drivers, and net-metering reality.
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Cost Guide
Solar Panels Cost in Oklahoma 2026
What a residential solar install actually costs in Oklahoma in 2026 — typical 8 kW system pricing gross + after federal tax credit, the three biggest local cost drivers, and net-metering reality.
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Cost Guide
Solar Panels Cost in Ohio 2026
What a residential solar install actually costs in Ohio in 2026 — typical 8 kW system pricing gross + after federal tax credit, the three biggest local cost drivers, and net-metering reality.
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Cost Guide
Solar Panels Cost in North Dakota 2026
What a residential solar install actually costs in North Dakota in 2026 — typical 8 kW system pricing gross + after federal tax credit, the three biggest local cost drivers, and net-metering reality.
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Solar Panels
Solar Panel Cost in California 2026 — What 8 kW Systems Actually Run (Post NEM 3.0)
Honest 2026 California solar pricing after NEM 3.0, plus federal + state incentive stacking, real payback periods by utility (PG&E vs. SCE vs. SDG&E), and the 3 mistakes that wreck California solar ROI.
Read the guideMore on solar cost & decisions
Long-form 2026 guides on timelines, material comparisons, ROI, and financing for solar panel install projects.
Hiring & Bids
How Much Should a Contractor's Change Order Markup Be? (2026 Industry Benchmarks)
Change orders are where renovation budgets get destroyed. Here's the 2026 industry-standard markup on change orders (10-25% over direct cost), the 4 categories of legitimate vs. abusive change orders, and the exact contract clauses that cap your downside before you sign.
ROI
Best ROI Renovations 2026 — All 16 Projects Ranked
The 2026 Remodeling Magazine Cost vs Value Report, ranked. Which renovation actually pays back at resale — and which ones cost you. Full table with average cost, recoup %, and the ROI math behind each project.
Energy & Efficiency
Energy-Efficient Upgrades Worth the Money in 2026 (And the 4 That Aren't)
The 2026 ranked list of home energy upgrades by real payback period — what actually saves money, what looks green but isn't, and which tax credits and rebates apply through the Inflation Reduction Act this year.
Hiring & Bids
How to Read a Contractor's Estimate — The 2026 Line-Item Decoder
What every section of a contractor's estimate actually means in 2026, the red flags that signal a bad bid, and the exact 12 line items every honest written quote should include. Skip the surprises.
Solar cost by state
See state-specific cost ranges and FAQs for solar panel install projects.