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Duffy's Electric is an electrical business, and the Maine electrician license behind it, number MS60016546, is active on the state registry with JOHN P. DUFF as the holder of record. The company says it has been in business for 36 years and advertises 24/7 emergency service. Its Procore Construction Network profile shows 127 projects and lists electrical, electronic security and communications work. On Google it has two ratings, averaging five stars. In a 2022 r/Maine thread, a commenter wrote that "Duffy Electrical(out of Eddington) installed my solar" and said they had a good experience.
“Duffy Electrical(out of Eddington) installed my solar. I had a good experience with each”
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2 changes recorded — last scanned Oct 30, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Duffy's Electric. Use it to sanity-check bids, then get the real number in writing.
Standard receptacle swaps — a new dedicated circuit is a bigger job ($350–$750).
Flush mounts, pendants, chandeliers — hung on existing boxes.
Estimated range
$500 – $1,050
Typical electrical project around $780
State-verified electrician licenseNot yet rated
Knob & tube remediation4.6
Solar layout designed around a whole-home generator4.6
Sub panel installed in about 6 hours4.2
Older wiring tested and updated4.1
