Generator Installation in Indianapolis, IN
AES Indiana customers averaged 4.1 hours without power in 2024 — far below the US average of 11 hours. Sustained outages are rarer here than in most of the country, but storm and equipment-driven interruptions still happen — and homeowners with medical equipment, a home office, a well pump or a sump pump often want backup regardless of the average. Below are generator installers serving Indianapolis and the rest of Marion County, ranked by reputation.
How often the power actually goes out in Indianapolis
2024 · EIA data4.1 hours
average time a AES Indiana customer spent without power
37%
of the US average of 11 hours — better than typical
1.3
power interruptions per customer that year
Excluding major event days — hurricanes, ice storms and the like — the figure drops to 87 minutes. The gap between the two is the part a standby generator or home battery is really for.
Source: US Energy Information Administration, Form 861 reliability filing for AES Indiana (IEEE 1366 methodology). SAIDI measures the average minutes a customer was without power across the year. National reliability in 2024 was heavily affected by Hurricanes Beryl, Helene and Milton.
1.Generator Supercenter of Indianapolis
EliteKnown for: generator installation · generac generator · gas line installation
Electric generator shop
Generac
96
GridFree Score
★★★★★ 5 · 315
2.Godby Heating Plumbing Electrical
EliteHVAC contractor
94
GridFree Score
★★★★ 4.9 · 1122
3.Mister Sparky of Indianapolis
EliteElectrician
93
GridFree Score
★★★★ 4.8 · 2617
4.Bassett Services: Heating, Cooling, Plumbing, Electrical
EliteElectric generator shop
93
GridFree Score
★★★★ 4.8 · 1987
5.Midwest Generator Solutions
EliteElectric generator shop
92
GridFree Score
★★★★ 4.9 · 277
92
GridFree Score
★★★★ 4.9 · 336
7.Zimmerman Electric Indy
EliteElectrician
92
GridFree Score
★★★★★ 5 · 228
8.Tri-State Water Power and Air
EliteEnergy equipment and solutions
90
GridFree Score
★★★★ 4.7 · 305
9.Northern Tool + Equipment
EliteElectric generator shop
90
GridFree Score
★★★★ 4.6 · 441
90
GridFree Score
★★★★ 4.8 · 280
86
GridFree Score
★★★★★ 5 · 47
85
GridFree Score
★★★★ 4.7 · 87
13.Skyworks Equipment Rental
Top ratedEquipment rental agency
84
GridFree Score
★★★★ 4.4 · 175
14.Cummins Sales and Service
Top ratedManufacturer
Cummins
84
GridFree Score
★★★★ 4.4 · 84
15.MacAllister Machinery
Top ratedConstruction equipment supplier
84
GridFree Score
★★★★ 4.5 · 130
16.Electric Today
Top ratedElectrician
84
GridFree Score
★★★★ 4.7 · 68
17.Outdoor Power Equipment Repair DBSE.INDY LLC
Top ratedLawn mower repair service
83
GridFree Score
★★★★ 4.9 · 29
18.AFAB small engine repair LLC
Top ratedSmall engine repair service
82
GridFree Score
★★★★★ 5 · 211
19.Ridgeline Electrical Industries
Top ratedElectric generator shop
80
GridFree Score
★★★★★ 5 · 11
20.Horizon Generator Solutions
Top ratedElectric generator shop
78
GridFree Score
★★★★★ 5 · 6
21.MacAllister Power Systems
Diesel engine dealer
77
GridFree Score
★★★★ 4.5 · 24
22.Access Electrical Service, LLC
Electrician
77
GridFree Score
★★★★ 4.3 · 35
23.Services & Supply Inc
Electric generator shop
75
GridFree Score
★★★★ 4.6 · 9
75
GridFree Score
★★★★ 4.6 · 9
74
GridFree Score
★★★★★ 5 · 2
73
GridFree Score
★★★ 3.6 · 165
27.Brehob Corporation
Industrial equipment supplier
72
GridFree Score
★★★★ 4.4 · 8
67
GridFree Score
★★★ 3.5 · 60
29.Koch's Electric
Electric motor repair shop
60
GridFree Score
★★★★ 4.4 · 19
30.Indianapolis Solutions
Electric generator shop
10
GridFree Score
31.Generator Guys LLC
Electric generator shop
0
GridFree Score
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Get listed →Frequently asked questions
How much does generator installation cost in Indianapolis?
In Indianapolis, a whole-house standby generator (18–26 kW) typically runs $10,000–$20,000 installed, including the transfer switch, gas connection, pad and permits. A smaller essentials-only unit (10–14 kW) runs $8,000–$13,000. A portable generator with an interlock kit is the budget option at $800–$2,000.
Do I need a permit for a generator in Indianapolis, IN?
Almost everywhere, yes. A standby generator needs an electrical permit and usually a gas/plumbing permit, and most states require the work be done by a licensed contractor. A reputable Indianapolis installer pulls the permit for you — treat anyone who offers to skip it as a red flag, since unpermitted work surfaces at resale and can void insurance claims.
Who installs generators in Indianapolis?
Licensed electricians and specialized generator dealers handle installation. A standby generator also needs a gas connection, so many jobs involve both an electrician and a plumbing contractor — dealers coordinate both.
Why are outages common around Indianapolis?
AES Indiana customers averaged 4.1 hours without power in 2024 — far below the US average of 11 hours. Sustained outages are rarer here than in most of the country, but storm and equipment-driven interruptions still happen — and homeowners with medical equipment, a home office, a well pump or a sump pump often want backup regardless of the average.
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