# Solar Power Installation Cost Guide in Illinois — Average Prices & Ranges _Last updated: 2026-10-05T07:43:17Z_ > Across Illinois, solar power installation ranges from roughly $2,587 at the low end to $10,089 per job at the high end, with $5,109 as the usual middle. ## Typical cost at a glance | Level | Price | | --- | --- | | Low | ~$2,587 | | Typical | ~$5,109 | | High | ~$10,089 | _Currency: USD, per job._ ## Cost by type | Type | Low | Typical | High | | --- | --- | --- | --- | | Complete solar power installation at standard grade | ~$2,587 | ~$6,338 | ~$10,089 | | Single-issue patch or repair | ~$466 | ~$2,049 | ~$3,632 | | Assessment visit with written scope | ~$78.00 | ~$342 | ~$605 | | Upgraded materials or custom finish | ~$4,010 | ~$12,599 | ~$21,187 | | Weekend, holiday or rush callout | ~$3,311 | ~$9,828 | ~$16,344 | ## How to compare quotes for solar power installation Cheapest is not the same as best value for solar power installation. A slightly higher quote with a complete scope and no open-ended extras is often safer than the lowest figure with caveats. ## Timing your solar power installation For solar power installation, same-day and after-hours call-outs sit at the top of the range. A standard appointment booked in advance gives you the best chance of the typical figure. ## What Solar Power Installation typically costs Plan around a $2,587–$10,089 per job band for solar power installation in Illinois. A typical job is near $5,109, and the gap between the two ends is where scope, materials and timing do their work. ## What moves the price of solar power installation The scope you agree drives most of the cost of solar power installation. Every extra task, upgraded material or access complication adds labour and risk, and the provider prices that risk into the quote. ## Frequently asked questions ### How much does solar power installation cost? Most solar power installation falls between $2,587 and $10,089, with a typical figure near $5,109 per job. The low end is a straightforward job with no surprises; the high end covers complex scope, premium materials or urgent timing. For Illinois, ask a provider to put that in writing with the quote. ### What affects the price of solar power installation? No single factor decides it — scope, materials, access and timing all move the total, and the biggest swings usually come from access and scheduling. Providers serving Illinois can tell you how it affects a typical job. ### Is Solar Power Installation cheaper in smaller cities? Often, but not always. Smaller markets can carry a travel or availability premium that offsets a lower local rate, so it is worth checking a nearby city before assuming the lowest published figure applies to you. Where you are in Illinois can change the detail, so compare nearby quotes. ### How many quotes should I get for solar power installation? Two or three written quotes are enough to see the real market range. Compare the same scope side by side, and ask each provider what is excluded and what would change the price after the quote is accepted. The specifics vary across Illinois, so confirm them with the provider you hire. ## Keep comparing - [Home Services](/category/home-services/) - [Water Treatment](/illinois/water-softener/) - [Roofing](/illinois/roofing/) - [Concrete](/illinois/concrete/) - [Heating and Cooling](/illinois/hvac/) - [Electrical](/illinois/electrical/) - [Garage Doors](/illinois/garage-doors/) - [Alabama](/alabama/solar-power-installation/) - [Alaska](/alaska/solar-power-installation/) - [Arizona](/arizona/solar-power-installation/) - [Arkansas](/arkansas/solar-power-installation/) - [California](/california/solar-power-installation/) - [Colorado](/colorado/solar-power-installation/) - [Connecticut](/connecticut/solar-power-installation/) - [Delaware](/delaware/solar-power-installation/) - [District of Columbia](/district-of-columbia/solar-power-installation/) - [Florida](/florida/solar-power-installation/) - [Georgia](/georgia/solar-power-installation/) - [Hawaii](/hawaii/solar-power-installation/) - [Idaho](/idaho/solar-power-installation/) - [Illinois](/illinois/solar-power-installation/) - [Indiana](/indiana/solar-power-installation/) - [Iowa](/iowa/solar-power-installation/) - [Kansas](/kansas/solar-power-installation/) - [Kentucky](/kentucky/solar-power-installation/) - [Louisiana](/louisiana/solar-power-installation/) - [Maine](/maine/solar-power-installation/) - [Maryland](/maryland/solar-power-installation/) - [Massachusetts](/massachusetts/solar-power-installation/) - [Michigan](/michigan/solar-power-installation/) - [Minnesota](/minnesota/solar-power-installation/) - [Mississippi](/mississippi/solar-power-installation/) - [Missouri](/missouri/solar-power-installation/) - [Montana](/montana/solar-power-installation/) - [Nebraska](/nebraska/solar-power-installation/) - [Nevada](/nevada/solar-power-installation/) - [New Hampshire](/new-hampshire/solar-power-installation/) - [New Jersey](/new-jersey/solar-power-installation/) - [New Mexico](/new-mexico/solar-power-installation/) - [New York](/new-york/solar-power-installation/) - [North Carolina](/north-carolina/solar-power-installation/) - [North Dakota](/north-dakota/solar-power-installation/) - [Ohio](/ohio/solar-power-installation/) - [Oklahoma](/oklahoma/solar-power-installation/) - [Oregon](/oregon/solar-power-installation/) - [Pennsylvania](/pennsylvania/solar-power-installation/) - [Rhode Island](/rhode-island/solar-power-installation/) - [South Carolina](/south-carolina/solar-power-installation/) - [South Dakota](/south-dakota/solar-power-installation/) - [Tennessee](/tennessee/solar-power-installation/) - [Texas](/texas/solar-power-installation/) - [Utah](/utah/solar-power-installation/) - [Vermont](/vermont/solar-power-installation/) - [Virginia](/virginia/solar-power-installation/) - [Washington](/washington/solar-power-installation/) - [West Virginia](/west-virginia/solar-power-installation/) - [Wisconsin](/wisconsin/solar-power-installation/) - [Wyoming](/wyoming/solar-power-installation/) - [Ontario](/ontario/solar-power-installation/) - [Quebec](/quebec/solar-power-installation/) - [British Columbia](/british-columbia/solar-power-installation/) - [Alberta](/alberta/solar-power-installation/) - [Saskatchewan](/saskatchewan/solar-power-installation/) - [Manitoba](/manitoba/solar-power-installation/) - [Nova Scotia](/nova-scotia/solar-power-installation/) - [New Brunswick](/new-brunswick/solar-power-installation/) - [Newfoundland and Labrador](/newfoundland-and-labrador/solar-power-installation/) - [Prince Edward Island](/prince-edward-island/solar-power-installation/) - [Chicago](/chicago/) - [Joliet](/joliet/) - [Naperville](/naperville/) - [Peoria](/peoria/) - [Rockford](/rockford/) - [Springfield](/springfield/) --- These are planning ranges drawn from public price data and market research. They are not a quote, an offer or financial advice, and your actual price depends on the provider, the location and the scope of the work.