Optimum Energy Group
solar
Serving Duluth, MN
Location: 314 W Superior St Ste 802, Duluth, MN 55802
From Google Business Profile
4.8
109 Google reviews
Hours
| Monday | 9 AM–5 PM |
| Tuesday | 9 AM–5 PM |
| Wednesday | 9 AM–5 PM |
| Thursday | 9 AM–5 PM |
| Friday | 9 AM–5 PM |
| Saturday | 9 AM–5 PM |
| Sunday | Closed |
Google categories: Solar energy company
View on Google Maps →Last checked October 12, 2026.
About solar installers in Duluth
Solar installers design and install rooftop and ground-mount solar panel systems. Solar installers evaluate roofs and energy use, design systems, handle permits and utility interconnection, install panels, inverters and batteries and help homeowners claim incentives.
Typical cost: $15,000–$35,000 for a typical residential system before incentives. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Get multiple quotes: Compare price per watt.
- Review production estimates: Ask for realistic energy production estimates.
- Check roof condition: Replace an aging roof before installing solar.