Solar Panel Installation Cost Calculator
Production model: installed $/kW × system kW × roof tier × complexity × region (pre-incentive). Residential photovoltaic system installation. Modeled planning ranges vary widely with system size (kW), roof condition, inverter type, and local incentives; estimates exclude utility rebates unless noted.
Estimated solar installation cost (pre-incentive)
Enter your project details and calculate to see a planning estimate.
This is a planning estimate, not a contractor quote. Actual costs vary by location, home condition, material availability, permits, and project complexity.
Planning rates for cost year 2026 (national baselines × state regional factors). Not a contractor quote.
National planning ranges
| Item | Low | Typical | High |
|---|---|---|---|
| Solar Panel Installation (national planning range)per system | $15,000 | $21,000 | $35,000 |
About this project
Residential photovoltaic system installation. Modeled planning ranges vary widely with system size (kW), roof condition, inverter type, and local incentives; estimates exclude utility rebates unless noted.
Browse more in Exterior.
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Frequently asked questions
Methodology & estimate disclaimer
Production model: installed $/kW × system kW × roof tier × complexity × region (pre-incentive).
Actual costs vary by location, home condition, material availability, permits, and project complexity. Read our methodology, the national cost bands table, editorial policy, and disclaimer. Planning provenance uses internal model notes (not invented third-party citations)—see the bands page for published low/typical/high frames.
Planning sources
- Home Cost Atlas national planning model v1 — Modeled national planning ranges used for cost guides and seed CostRecords. Values are planning estimates synthesized for budgeting context, not observed contractor invoices or bid samples.
- Home Cost Atlas planning baselines v1 — Internal baseline spreads (low / typical / high) by project category. Intended for calculator scaffolds and aggregation fallbacks; not a dataset of paid jobs.
Cost year: 2026 rate book · Data version: hca-national-model-v1 · Last reviewed: July 24, 2026