Generator Installationin Denver, Pennsylvania
Mr. Electric of Lancaster County has the most Google reviews of the four generator installers based in Denver, PA, with 668 as of Oct 2026. Mr. Electric of Lancaster County and GKM Electric LLC list 24-hour availability on Google. Two have 50 or more Google reviews and one has fewer than ten, so the list mixes long-established shops with newer ones. Two open by 7 AM on weekdays. The closest ones from outside town are in Ephrata, East Earl, Lancaster, Lititz and 2 other towns, within 14 miles.
Also serving Denver
The 10 closest, by distance from the center of Denver's listings, out of 14 within 20 miles. Owners who told us they serve Denver are listed first.
Compare generator pros in Denver
| Business | Based in | Phone | Google rating | Free estimates | After-hours | Serves |
|---|---|---|---|---|---|---|
| Mr. Electric of Lancaster County | Denver | (717) 208-2495 | 4.9 (668) | not reported | open 24 hrs (Google) | Denver |
| Monyer Electric | Denver | (610) 678-6653 | 4.6 (101) | not reported | not reported | Denver |
| ACKC Electric | Denver | (717) 466-0404 | 5.0 (11) | not reported | not reported | Denver |
| GKM Electric LLC | Denver | (717) 816-4582 | 4.8 (6) | not reported | open 24 hrs (Google) | Denver |
| A&M Electric LLC | Ephrata | (717) 961-8575 | 4.9 (36) | not reported | not reported | Ephrata |
| Martin Electric Plants | Ephrata | (717) 733-7968 | 3.0 (2) | not reported | not reported | Ephrata |
| Synergy Power Systems, Inc | Ephrata | (484) 996-1000 | 5.0 (30) | not reported | not reported | Ephrata |
| Industrial Engines, Llc | East Earl | (717) 445-0343 | 4.4 (11) | not reported | not reported | East Earl |
| Ibach's Electrical Services LLC | Lancaster | (717) 875-7972 | none | not reported | not reported | Lancaster |
| Skyview Electric | Lititz | (717) 627-0976 | 5.0 (1) | not reported | not reported | Lititz |
| HooverTec | New Holland | (717) 354-3322 | 4.6 (42) | not reported | not reported | New Holland |
| Lehmier Electric-Scale Ban | Lititz | (717) 627-1001 | 3.9 (7) | not reported | not reported | Lititz |
| Lapp Electric | Lancaster | (717) 392-0804 | 4.4 (62) | not reported | open 24 hrs (Google) | Lancaster |
| Kopp Electric LLC | Manheim | (717) 665-3464 | 4.7 (14) | not reported | not reported | Manheim |
Ratings and review counts from Google, as of Oct 19, 2026. "Not reported" means the owner has not told us yet; it does not mean no.
Before you call
A standby generator install involves an electrician for the transfer switch, a gas or propane line, a concrete or composite pad, and a permit and inspection. Read the generator hiring guide, including what to ask and when to book.
Generator Installation in Denver: questions answered from the listings
Denver generator: how many local companies are there?
Four, as of Oct 19, 2026: Mr. Electric of Lancaster County, Monyer Electric, ACKC Electric and GKM Electric LLC. Another ten from nearby towns serve Denver, listed under "Also serving Denver."
Who in Denver lists 24-hour availability?
Mr. Electric of Lancaster County and GKM Electric LLC show "open 24 hours" on Google as of Oct 19, 2026. That is the business's own posting, not something we have confirmed.
Which nearby towns have generator installers that cover Denver?
Ephrata, East Earl, Lancaster, Lititz, New Holland, Manheim. The closest is A&M Electric LLC in Ephrata, about 5 miles away.
Denver generator with the biggest review count
Mr. Electric of Lancaster County, with 668 reviews at 4.9 stars as of Oct 19, 2026. Monyer Electric is next with 101. A high count means a busy shop, not necessarily the right one for your job.
Other trades in Denver
Generator Installation in nearby towns
Ratings from Google, as of Oct 2026. Other fields are owner reported and dated on each listing. Order on this page: claimed listings first, then by Google review count. How this directory works.