Generator Installation in Houston, TX
CenterPoint Energy customers averaged 72 hours without power in 2024 — 6.5× the US average, the worst of the 58 metros we track. After the 2021 grid failure and repeated summer strain on the Texas grid, backup power has become standard around Houston — outages here come from both winter freezes and heat waves. Below are generator installers serving Houston and the rest of Harris County, ranked by reputation.
How often the power actually goes out in Houston
2024 · EIA data72 hours
average time a CenterPoint Energy customer spent without power
6.5×
the US average of 11 hours — worse than typical
3.7
power interruptions per customer that year
Excluding major event days — hurricanes, ice storms and the like — the figure drops to 2.5 hours. 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 CenterPoint Energy (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.Mr. Electric of Houston Midtown
EliteElectrician
94
GridFree Score
★★★★ 4.9 · 557
2.Power Solutions Specialist
EliteElectric generator shop
94
GridFree Score
★★★★ 4.9 · 508
3.Quality Home Products of Texas
EliteElectric generator shop
93
GridFree Score
★★★★ 4.8 · 5013
93
GridFree Score
★★★★ 4.8 · 3108
5.A1 Plus Electrical, Plumbing and Air Conditioning Repair
EliteElectrician
93
GridFree Score
★★★★ 4.8 · 5138
6.Critical Power Solutions
EliteElectric generator shop
Generac
93
GridFree Score
★★★★ 4.9 · 198
7.Wired Electrical and Generators
EliteElectrician
Generac
93
GridFree Score
★★★★ 4.6 · 1093
92
GridFree Score
★★★★ 4.7 · 484
9.Houston Equipment Repair
EliteElectric generator shop
92
GridFree Score
★★★★★ 5 · 260
92
GridFree Score
★★★★ 4.7 · 6140
11.Generators TX LLC
EliteElectric generator shop
91
GridFree Score
★★★★ 4.9 · 252
12.Generator Superstore
EliteElectric generator shop
91
GridFree Score
★★★★★ 5 · 178
13.Certified Generator Service and Repair
EliteElectric generator shop
91
GridFree Score
★★★★★ 5 · 200
91
GridFree Score
★★★★ 4.7 · 393
15.A1 Plus Electrical, Plumbing and Air Conditioning Repair
EliteAir conditioning repair service
91
GridFree Score
★★★★ 4.9 · 215
91
GridFree Score
★★★★ 4.9 · 238
17.Worldwide Power Products
EliteElectric generator shop
90
GridFree Score
★★★★★ 5 · 141
90
GridFree Score
★★★★ 4.9 · 182
19.The Lawnmower Depot
EliteLawn mower repair service
90
GridFree Score
★★★★ 4.9 · 209
20.Generators of Houston
Top ratedElectric generator shop
89
GridFree Score
★★★★ 4.6 · 317
21.AL Generators Power LLC
Top ratedElectric generator shop
89
GridFree Score
★★★★★ 5 · 107
89
GridFree Score
★★★★ 4.9 · 165
89
GridFree Score
★★★★★ 5 · 115
24.US Power Pros
Top ratedElectric generator shop
89
GridFree Score
★★★★ 4.6 · 318
25.Gallegos Generator
Top ratedElectric generator shop
88
GridFree Score
★★★★ 4.8 · 146
26.Lighthouse Electric
Top ratedElectrician
88
GridFree Score
★★★★ 4.9 · 128
27.Spring Electric and A/C
Top ratedElectrician
Generac
88
GridFree Score
★★★★ 4.7 · 115
28.Old Town Generator Service
Top ratedElectric generator shop
88
GridFree Score
★★★★ 4.9 · 123
29.Safe Haven Power
Top ratedElectric generator shop
87
GridFree Score
★★★★★ 5 · 72
87
GridFree Score
★★★★ 4.7 · 164
31.Generator Service Center
Top ratedElectric generator shop
87
GridFree Score
★★★★ 4.9 · 82
32.inGENious Power, LLC
Top ratedElectric generator shop
Generac
86
GridFree Score
★★★★ 4.9 · 39
33.Total Power Installations
Top ratedElectric generator shop
85
GridFree Score
★★★★★ 5 · 39
85
GridFree Score
★★★★ 4.9 · 51
35.Camden Electric LLC
Top ratedElectrical installation service
85
GridFree Score
★★★★ 4.9 · 59
36.Dr. Generator Mobile Portable Generator Repair
Top ratedElectric generator shop
85
GridFree Score
★★★★★ 5 · 45
37.Current Power Technologies
Top ratedElectrician
84
GridFree Score
★★★★ 4.9 · 39
38.Generator Boyz
Top ratedElectrical installation service
84
GridFree Score
★★★★★ 5 · 33
39.Storm Guardian Generators
Top ratedElectric generator shop
84
GridFree Score
★★★★ 4.3 · 221
40.Pro Star Apparatus Repair
Top ratedElectric generator shop
84
GridFree Score
★★★★★ 5 · 32
41.Generator Service Center
Top ratedElectric generator shop
83
GridFree Score
★★★★ 4.6 · 74
42.Smart Choice Electrical
Top ratedElectrician
83
GridFree Score
★★★★ 4.8 · 39
43.ANJ Electric Motor Repair LLC
Top ratedElectric motor repair shop
82
GridFree Score
★★★★ 4.8 · 30
44.PBR Power Systems
Top ratedElectric generator shop
81
GridFree Score
★★★★★ 5 · 14
45.Premier Generator Solutions
Top ratedElectric generator shop
Generac
81
GridFree Score
★★★★★ 5 · 8
46.Select Generators - River Oaks
Top ratedElectric generator shop
80
GridFree Score
★★★★★ 5 · 10
47.Elite Generator Supply
Top ratedElectric generator shop
Generac
80
GridFree Score
★★★★★ 5 · 6
48.DCP Generator Pros
Top ratedElectric generator shop
Generac
80
GridFree Score
★★★★★ 5 · 5
49.Bios Power Systems
Top ratedElectric generator shop
79
GridFree Score
★★★★★ 5 · 9
50.Generator Industries
Top ratedElectric generator shop
78
GridFree Score
★★★★ 4 · 138
51.Generator Franchise
Top ratedElectric generator shop
Generac
78
GridFree Score
★★★★★ 5 · 3
52.First Source Energy Incorporated
Top ratedElectric generator shop
78
GridFree Score
★★★★★ 5 · 6
53.Small Engine Repair All Day
Small engine repair service
76
GridFree Score
★★★★ 4.9 · 65
54.Doctor Home Experts Generator Houston
Electrician
Generac
75
GridFree Score
★★★★★ 5 · 1
74
GridFree Score
★★★★★ 5 · 2
74
GridFree Score
★★★★★ 5 · 2
57.KVAC Equipment (Houston)
Small engine repair service
74
GridFree Score
★★★★ 4.2 · 30
74
GridFree Score
★★★★★ 5 · 2
59.Energy Store Consulting
Electric generator shop
74
GridFree Score
★★★★★ 5 · 2
60.Houston Diesel Generator Sales
Electric generator shop
74
GridFree Score
★★★★★ 5 · 2
61.Generator Exchange, Llc
Electric generator shop
Generac
73
GridFree Score
★★★ 3.9 · 29
62.Mr. Watts Electrical - Get Generac Generators
Electric generator shop
Generac
70
GridFree Score
★★★ 3.6 · 48
63.B&P Mower/Generator Parts Supply
Appliance parts supplier
66
GridFree Score
★★★★★ 5 · 4
64
GridFree Score
★★★ 3.5 · 34
65.KISS Generators
Electric generator shop
Generac
64
GridFree Score
★★★ 3.6 · 14
63
GridFree Score
★★★ 3.6 · 18
67.Taylor Power Systems
Electric generator shop
63
GridFree Score
★★★ 3.8 · 4
68.Generac Generator Installation in Sugar Land
Electrician
Generac
62
GridFree Score
★★★★★ 5 · 2
69.Home Generator Installation in Stafford
Electrician
58
GridFree Score
★★★★★ 5 · 1
70.Trejos Small Engine Repair
Lawn mower repair service
55
GridFree Score
★★★ 3.3 · 70
15
GridFree Score
72.Honest Door’s Repair
Design engineer
0
GridFree Score
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Get listed →Frequently asked questions
How much does generator installation cost in Houston?
In Houston, 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 Houston, TX?
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 Houston 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 Houston?
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 Houston?
CenterPoint Energy customers averaged 72 hours without power in 2024 — 6.5× the US average, the worst of the 58 metros we track. After the 2021 grid failure and repeated summer strain on the Texas grid, backup power has become standard around Houston — outages here come from both winter freezes and heat waves.
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