AlphaMega Electric Ltd.
- Website checked
Penfold Electric Ltd
Penfold Electric installs standby generators, transfer switches and panel upgrades for homes across Durham Region and Northumberland County, working from Oshawa.
What they do
The company has worked in Durham Region since 1978 and is family-owned. Its backup power work centres on standby generator installation, with Generac units among the brands it fits. It also installs transfer switches, which let a chosen set of rooms or appliances run on the generator during an outage, and it carries out electrical service panel upgrades. Jobs are taken across Oshawa, Whitby, Ajax and Pickering, and the work covers both residential and commercial properties. Financing is available for its electrical services. The company works weekdays, Monday to Friday, during the day.
- Generator installs
Listed under Backup power
Where they work
What we checked
- Its own website lists this work: penfoldelectric.com/service/generac-generator (opens in a new tab), penfoldelectric.com/service/generator (opens in a new tab)
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
Other backup power pros in Oshawa
Curt Brown Electric Inc.
- Website checked
KV Bear Electrical Inc.
- Website checked
Still choosing the equipment?
Compare prices and specs before you call a pro.