Peak Electric

Peak Electric, an electrician in Windham, Maine, installs standby generators, transfer switches and panel upgrades for backup power across southern Maine.

What they do

Peak Electric installs standby generators and whole-home generators, along with transfer switches that bring power from a generator when the grid fails, and panel upgrades that prepare a home's electrical panel for backup power. The business is based in Windham and serves the Lakes Region and southern Maine, with Portland, Gorham and Westbrook among the towns it works in. Generator projects begin with a free consultation and generator sizing, followed by a site assessment, installation and a final inspection with a walkthrough. Generac generators are among the brands it installs. Annual maintenance plans cover regular inspections and preventative care. Free estimates are offered, and financing is available for generator projects. The business is open Monday to Friday and closed on weekends.

Source: peakelectricmaine.com (opens in a new tab)

  • Standby generators
  • Generator installs
  • Transfer switches
  • Backup power

Listed under Backup power

Where they work

Portland, Maine

What we checked

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.

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