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Solar · Will County, IL

Solar installers in Will County

130 companies have installed solar on 5,416 homes here since 2023 that we know of (Illinois's records name the installer for only 0% of systems). Covers Joliet, Bolingbrook, Plainfield, Romeoville, New Lenox, Lockport and nearby towns.

Median installed price nationally$4.10/WAbout $26,700 for a 6.5 kW system, before incentives
InstallerHomes since 2023Median price in state
SunrunBased in San Francisco, CA · (805) 242-72552,450—
Freedom ForeverBased in Temecula, CA · (800) 885-9450461—
Bright Planet SolarBased in Auburn, MA · (801) 388-7601398—
Certasun228—
Blue Raven Solar209—
Sunpower Capital Services207—
TeslaBased in Fremont, CA · (702) 680-6683155—
BRS Field Ops122—
Vivint Solar Developer121—
National Solar Service71—
Titan Solar Power69—
Fresh Coast Solar63—
Tron Solar62—
ADT SolarBased in Boca Raton, FL · (985) 882-140860—
GreenGrids52—
ReThink Electric37—
LGCY Installation Services34—
GRNE-Nelnet32—
Palmetto SolarBased in Charlotte · (516) 509-819228—
GreenGrids Solar25—
Greenlink Solar Solutions23—
Revolution Energy Systems20—
Sparc Solar19—
93Energy18—
Quality Solar16—
ION Developer15—
ION SolarBased in Wilsonville, OR · (888) 781-707415—
Titan Solar Power IL15—
BKJ Solar13—
Kapital Electric13—
Unity Solar Group13—
CR Solar12—
Powur PBC (Inc.)12—
Windfree Solar12—
Ailey Solar Electric11—
Sunrise solar11—
Reficiency10—
Sun Badger Solar10—
TruHome Pros10—
GRNE Solutions9—

Ranked by homes installed, which shows who’s active here, not who’s best. Prices are each company’s median for systems sold outright, shown when it sold at least 10. Show all 130 installers

Towns in Will County: Joliet, Bolingbrook, Plainfield, Romeoville, New Lenox, Lockport, Homer Glen, Frankfort, Crest Hill, Mokena, Shorewood, Manhattan.

How much does solar cost in Will County, IL?

There weren't enough Will County systems bought outright for a county figure. Across the U.S., homes paid a median $4.10/W installed in 2023–2025, about $26,700 for a 6.5 kW system.

Which solar companies install in Will County, IL?

130 installers have put in home systems in Will County since 2023, the busiest being Sunrun, Freedom Forever, Bright Planet Solar, Certasun, Blue Raven Solar.

Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.