Generator Installation in Hartford, CT
Eversource customers averaged 2.6 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 Hartford and the rest of Hartford County, ranked by reputation.
How often the power actually goes out in Hartford
2024 · EIA data2.6 hours
average time a Eversource customer spent without power
24%
of the US average of 11 hours — better than typical
0.9
power interruptions per customer that year
Excluding major event days — hurricanes, ice storms and the like — the figure drops to 77 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 Connecticut Light & Power Co (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.
95
GridFree Score
★★★★★ 5 · 1223
2.J.S. Electrical LLC
EliteElectric generator shop
94
GridFree Score
★★★★ 4.9 · 486
3.O J Mann Electric Services Inc.
EliteElectric generator shop
94
GridFree Score
★★★★ 4.9 · 744
94
GridFree Score
★★★★ 4.9 · 596
93
GridFree Score
★★★★★ 5 · 292
93
GridFree Score
★★★★ 4.8 · 3396
7.River East Power Equipment, LLC
EliteLawn mower store
92
GridFree Score
★★★★★ 5 · 264
92
GridFree Score
★★★★★ 5 · 219
91
GridFree Score
★★★★★ 5 · 171
91
GridFree Score
★★★★ 4.9 · 270
91
GridFree Score
★★★★ 4.7 · 380
90
GridFree Score
★★★★★ 5 · 127
90
GridFree Score
★★★★★ 5 · 160
14.HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical
EliteElectrician
90
GridFree Score
★★★★ 4.5 · 4474
90
GridFree Score
★★★★ 4.9 · 188
16.The Generator Guys, LLC
Top ratedElectrician
Generac
89
GridFree Score
★★★★ 4.8 · 98
17.Streamline Generator
Top ratedElectric generator shop
89
GridFree Score
★★★★★ 5 · 123
89
GridFree Score
★★★★ 4.9 · 137
89
GridFree Score
★★★★ 4.9 · 130
89
GridFree Score
★★★★ 4.8 · 174
88
GridFree Score
★★★★★ 5 · 81
88
GridFree Score
★★★★ 4.9 · 121
88
GridFree Score
★★★★ 4.7 · 200
24.Bass Pro Shops
Top ratedSporting goods store
88
GridFree Score
★★★★ 4.4 · 5198
25.Generators On Demand LLC
Top ratedElectric generator shop
87
GridFree Score
★★★★ 4.9 · 98
26.Miele Electric Power CT Generator Pros
Top ratedElectrician
87
GridFree Score
★★★★ 4.8 · 116
27.A & J Generator & Equipment LLC
Top ratedElectric generator shop
87
GridFree Score
★★★★ 4.8 · 131
28.C & D Custom Electrical LLC
Top ratedElectrician
87
GridFree Score
★★★★★ 5 · 67
87
GridFree Score
★★★★★ 5 · 61
30.Cannondale Generators Inc.
Top ratedElectric generator shop
86
GridFree Score
★★★★ 4.5 · 223
86
GridFree Score
★★★★ 4.9 · 68
32.Northeast Generator
Top ratedElectric generator shop
86
GridFree Score
★★★★ 4.7 · 131
86
GridFree Score
★★★★ 4.6 · 158
85
GridFree Score
★★★★ 4.9 · 50
85
GridFree Score
★★★★ 4.7 · 83
36.Wethersfield Small Engine Services
Top ratedSmall engine repair service
85
GridFree Score
★★★★ 4.8 · 70
37.Larsen Ace Hardware
Top ratedHardware store
85
GridFree Score
★★★★ 4.5 · 176
38.CT Electrical Contractors | Electrician | Residential Commercial Electrical Contractor | Electrical Install Services
Top ratedElectrician
84
GridFree Score
★★★★★ 5 · 32
39.NextGen Electric
Top ratedElectrician
Generac
84
GridFree Score
★★★★★ 5 · 15
40.Kay Generator Company
Top ratedElectric generator shop
83
GridFree Score
★★★★ 4.7 · 53
41.New England Total Power
Top ratedElectric generator shop
83
GridFree Score
★★★★ 4.9 · 35
83
GridFree Score
★★★★★ 5 · 27
83
GridFree Score
★★★★★ 5 · 26
83
GridFree Score
★★★★★ 5 · 26
45.Able Tool and Equipment
Top ratedConstruction equipment supplier
83
GridFree Score
★★★★ 4.7 · 56
46.CT Generator Service
Top ratedElectric generator shop
82
GridFree Score
★★★★ 4.8 · 37
82
GridFree Score
★★★★ 4.7 · 48
48.Covenant Building Services LLC
Top ratedElectric generator shop
82
GridFree Score
★★★★★ 5 · 17
82
GridFree Score
★★★★★ 5 · 18
82
GridFree Score
★★★★ 4.6 · 54
81
GridFree Score
★★★★ 4.4 · 86
81
GridFree Score
★★★★ 4.6 · 47
81
GridFree Score
★★★★★ 5 · 52
81
GridFree Score
★★★★★ 5 · 14
55.New England Electrical Contractors LLC
Top ratedElectrician
81
GridFree Score
★★★★★ 5 · 15
80
GridFree Score
★★★★ 4.8 · 19
80
GridFree Score
★★★★★ 5 · 10
58.PE Home Generators
Top ratedElectric generator shop
79
GridFree Score
★★★★★ 5 · 8
79
GridFree Score
★★★★ 4.5 · 32
79
GridFree Score
★★★★ 4.8 · 16
61.C&T Electric Corporation
Top ratedElectrician
79
GridFree Score
★★★★★ 5 · 9
62.Generator Systems LLC
Top ratedElectric generator shop
78
GridFree Score
★★★★ 4.6 · 21
63.Reliable Electric Motor Inc
Top ratedElectric motor repair shop
78
GridFree Score
★★★★ 4.6 · 21
78
GridFree Score
★★★★ 4.4 · 34
78
GridFree Score
★★★★★ 5 · 6
77
GridFree Score
★★★★★ 5 · 5
77
GridFree Score
★★★★ 4.8 · 9
77
GridFree Score
★★★★★ 5 · 5
69.Associated Security Corporation
Security system supplier
77
GridFree Score
★★★★ 4.4 · 29
70.BrYco Electric
Electrician
76
GridFree Score
★★★★★ 5 · 50
71.Coastal Power of Connecticut
Electrical installation service
76
GridFree Score
★★★★★ 5 · 4
76
GridFree Score
★★★★ 4.1 · 54
73.Connect Electric Inc
Electrical installation service
76
GridFree Score
★★★★★ 5 · 3
74.Dans Small Engine Repair LLC
Small engine repair service
76
GridFree Score
★★★★★ 5 · 58
75.Thomas Connolly Electrical Contractor LLC
Electric generator shop
75
GridFree Score
★★★★ 4.6 · 10
75
GridFree Score
★★★★ 4.4 · 16
77.Modern Electric LLC
Electrician
74
GridFree Score
★★★★★ 5 · 29
72
GridFree Score
★★★★ 4.4 · 7
79.Power-Plus Equipment & Motorsports
Lawn mower store
72
GridFree Score
★★★★ 4.3 · 127
80.LAWSON POWER SOURCE LLC
Electrician
71
GridFree Score
★★★★ 4.5 · 55
81.Hartford Electrical Services
Electrician
71
GridFree Score
★★★★ 4.8 · 26
71
GridFree Score
★★★★ 4.6 · 11
83.Yacone Electric LLC
Electrician
71
GridFree Score
★★★★ 4.9 · 17
84.Advanced Power Services L.L.C
Electric generator shop
69
GridFree Score
★★★★★ 5 · 2
68
GridFree Score
★★★★ 4.2 · 5
68
GridFree Score
★★★ 3.9 · 22
68
GridFree Score
★★★★ 4 · 10
88.Brannack Electric Inc
Electrician
68
GridFree Score
★★★★★ 5 · 7
89.R&E Dryer Vent Cleaning Services & Eletric Services Hartford, VT
Electrician
64
GridFree Score
★★★★★ 5 · 8
90.Southern Electrical Service & Dryer Vent Cleaning Services Hartford, CT
Electrician
63
GridFree Score
★★★★ 4.9 · 9
91.Lucci Electric, Inc.
Electrician
Generac
63
GridFree Score
★★★ 3.9 · 34
61
GridFree Score
★★★ 3.7 · 3
61
GridFree Score
★★★ 3.7 · 3
94.Kinsley Power Systems
Electric generator shop
59
GridFree Score
★★★ 3.4 · 13
95.Kay Electric Company
Electrician
51
GridFree Score
★★★ 3.7 · 3
46
GridFree Score
★★ 2.5 · 16
97.A+ Installation
Appliance store
41
GridFree Score
★★★ 3 · 6
15
GridFree Score
99.Standby Power Inc
Electric generator shop
10
GridFree Score
101.Generator Medics
Electric generator shop
5
GridFree Score
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Get listed →Frequently asked questions
How much does generator installation cost in Hartford?
In Hartford, 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 Hartford, CT?
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 Hartford 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 Hartford?
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 Hartford?
Eversource customers averaged 2.6 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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