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Generator Installation in Chicago, IL

Compare 4 local generator installation pros. Typical service: $12500–$20000.

Top Generator Installation Companies in Chicago

  1. 1.Penco Electric & Generators

    4.9★ (292 reviews)

    4.9★ from 292 reviews

    +18472784465Website

  2. 2.Chicago Generators

    4.3★ (10 reviews)

    4.3★ from 10 reviews

    +16304109240Website

  3. 3.EMT Electric Generator

    4.4★ (7 reviews)

    4.4★ from 7 reviews

    +17732321778Website

  4. 4.TrueSource Generators

    +18555023592Website

Generator Installation Cost in Chicago

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Chicago
Whole-house standby generator, installed$12,500–$20,000/job
Small standby generator (10-14 kW)$8,750–$12,500/job
Large standby generator (26 kW+)$18,750–$25,000/job

Generator Installation prices in Chicago run about 25% above the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 4 companies serving Chicago, rated 4.5★ on average across 309 customer reviews.

Chicago Climate & Seasonal Timing

What Chicago's weather means for scheduling generator installation.

Last spring frost
April 11
First fall frost
October 27
Annual precipitation
39.09"
Heating degree days
5,989
Cooling degree days
1,045
MonthLowHighPrecip
Jan18.2°31.5°2.06"
Feb21.7°35.8°1.94"
Mar30.9°46.8°2.72"
Apr41.7°59.2°3.64"
May51.6°70.2°4.13"
Jun62.1°79.9°4.06"
Jul67.5°84.2°4.01"
Aug66.2°82.1°3.99"
Sep57.5°75.3°3.31"
Oct45.7°62.8°3.24"
Nov34.5°48.6°3.42"
Dec22.7°35.3°2.57"

NOAA station data 5.14 miles from Chicago.

Permits & Regulations in IL

Permit typically required

  • Illinois has no statewide electrician or electrical contractor license; licensing is municipal
  • Chicago and many suburbs license electrical contractors and require a supervising electrician
  • Electrical work needs a permit from the local building department

License required: Local electrical contractor license (no statewide license)

Sources: www.chicago.gov

Generator Installation FAQs for Chicago

How much does a whole-house generator cost in Chicago?

A whole-house standby generator in Chicago typically runs $12500-$20000 installed, including the transfer switch, pad and gas hookup.

How many generator installers serve Chicago?

We track 4 generator installation companies serving Chicago.

Is generator installation in Chicago more expensive than average?

Electrician labor in Chicago runs about +25% versus the national average.

Do I need a permit for a generator in Chicago, IL?

In IL, Illinois has no statewide electrician or electrical contractor license; licensing is municipal. Standby generators in Chicago need an electrical permit and, for gas units, a gas permit.

What size generator does a Chicago home need?

It depends on what must run in an outage; with summer highs near 84F, keeping central air on in Chicago pushes most homes toward 18-24 kW.

Do generators work in Chicago winters?

Standby units are built for it; with winter lows around 18F in Chicago, ask about a cold-weather kit for the battery and oil.

How many quotes should I get for a generator in Chicago?

Three; with 4 installers serving Chicago, compare the kW size, transfer switch type and maintenance plan.

How long does generator installation take in Chicago?

Installation is usually one or two days, but permits and equipment lead times in Chicago can stretch the whole project to several weeks.