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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—
Legacy Solar9—
Vantage Home Solar9—
Vista Installs9—
GoodPwr8—
Off Grid: Blue Sky Smart Solutions8—
Green Tech Construction7—
Sige Electric7—
Solar Power Midwest7—
Windsoleil Incorporated7—
Wolfpack Electric7—
BT Electric6—
Empwr Solar LLP6—
One Earth Solar6—
Ambia Energy5—
ETW Energy5—
Independence Renewable Energy5—
Lehmann Electrical Design5—
Midwest Solutions5—
Modern Mill Solar5—
Fibonacci Energy4—
GenRenew4—
GosolarBased in Lockport, NY · (716) 880-60004—
PowurBased in Del Mar, CA · (480) 626-70564—
Windfree Wind & Solar Energy4—
All Energy Solar3—
Eco Management Systems Limited3—
Empire Solar GroupBased in Salt Lake City, UT · (801) 845-09723—
Free World Solar3—
GRNE Solar3—
Greenlink Energy Solutions3—
Headline Solar3—
Helio Solar Power3—
Modern Mill3—
Pink Energy3—
Power Home Solar3—
Reficiency Solar3—
Solectric3—
SunHeat Solar3—
Xolar Renewable Energy3—
Blue Sky Smart Solutions2—
Bright Ops2—
Krumwiede Roofing Company2—
Marc Jones Construction2—
Off Grid Energy Solutions2—
Opal Energy Group2—
P. M. & M. Electric2—
Solar Energy Of Illinois2—
SolarShift2—
Source SolarBased in Claremont, CA · (714) 715-59032—
SunPower Corporation, Systems2—
SunStrong Capital Holdings2—
Sunpro Solar/ADT Solar2—
A National Solar Company1—
Ag Technologies1—
Brilliant Solar1—
C & E Solutions1—
CR Solar Limited Liability Company1—
Cell Electric1—
Earth Wind And Solar Energy1—
Empire Solar1—
Excel Home Solar1—
Free World1—
Harvest Energy Solutions1—
IL-Solar1—
JDK Acquisitions1—
Joseph Brandon1—
Kaiser Electric1—
Legacy Installation Services1—
Michelle Pichman1—
Modern Mill Solar - stranded customer1—
National Solar Service LLC/ Todd Kihm1—
Next Builders Inc dba American Energy Systems1—
Off Grid Energy Services1—
PlugPVBased in Troy, NY · (518) 948-53161—
Quality Solar/JDK Acquisitions1—
Scott Mora1—
Sige Solar1—
Solar Mite Illinois1—
Solar Quote1—
Straight Up Solar1—
Summit Solar Solutions1—
SunPower Direct1—
Sunpro SolarBased in Mandeville, LA · (866) 450-10121—
Supplied Energy1—
The Solar Shop1—
Thomas Anzalone1—
Todd Kihm / National Solar Service1—
TruHomes1—
Xolar1—
YellowLite1—

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.

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.