Mainstream Electric
Beloit electrician offering panel upgrades and standby generator systems for homes and businesses, with online estimates available.
What they do
The company is an electrical contractor in Beloit, Wisconsin, working on residential and commercial properties. Its backup power work covers panel upgrades and standby generator systems. Its other electrical work includes fuse box replacement, new construction, remodeling and outlet and lighting upgrades. Online estimates are offered. The business has operated since 2011 and serves the area near the Wisconsin and Illinois state line. It is open weekdays from morning until late afternoon.
- Generators
Listed under Backup power
Where they work
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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