Generator Installation in Washington, DC
Pepco customers averaged 33 minutes without power in 2024 — far below the US average of 11 hours, among the most reliable of the 58 metros we track. 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 Washington and the rest of District of Columbia, ranked by reputation.
How often the power actually goes out in Washington
2024 · EIA data33 minutes
average time a Pepco customer spent without power
5%
of the US average of 11 hours — better than typical
0.3
power interruptions per customer that year
Excluding major event days — hurricanes, ice storms and the like — the figure drops to 26 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 Potomac Electric 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.
93
GridFree Score
★★★★ 4.8 · 554
2.Precise Building Services
EliteElectrician
90
GridFree Score
★★★★★ 5 · 151
3.Johnson Electric Company, Inc.
Top ratedElectrician
88
GridFree Score
★★★★ 4.8 · 146
4.Luis&James Electric LLC.
Top ratedElectrician
86
GridFree Score
★★★★ 4.7 · 109
5.Sol Systems
Top ratedSolar energy company
85
GridFree Score
★★★★ 4.3 · 294
6.Schmidt's Electrical Enterprise
Top ratedElectrician
84
GridFree Score
★★★★ 4.8 · 54
83
GridFree Score
★★★★ 4.9 · 33
81
GridFree Score
★★★★ 4.6 · 47
81
GridFree Score
★★★★★ 5 · 16
74
GridFree Score
★★★★★ 5 · 2
66
GridFree Score
★★★★ 4 · 5
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Get listed →Frequently asked questions
How much does generator installation cost in Washington?
In Washington, 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 Washington, DC?
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 Washington 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 Washington?
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 Washington?
Pepco customers averaged 33 minutes without power in 2024 — far below the US average of 11 hours, among the most reliable of the 58 metros we track. 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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