If you are a Nelnet Renewable Energy customer looking for Workmanship Warranty Information and you're located in Indiana, Iowa, Colorado or Nebraska, please contact the appropriate company below as your warranty has been transferred.
Nelnet Customer Workmanship Warranty Contacts
If you are a Nelnet Renewable Energy customer located in Missouri, Wisconsin or Illinois looking for service, please fill out the form below:
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Nelnet Renewable Energy is now part of MARS Energy Group, a national leader in commercial and utility-scale solar, EPC services, and long-term energy infrastructure solutions.
MARS Energy provides expanded services, reach, and support available to our customers, including enhanced nationwide coverage, deeper technical and financial capabilities, and a unified team committed to reliability, transparency, and long-term performance.
Trusted and Transparent
EPC Services
- Turnkey solar and battery installations
- Nationwide teams
- Regulatory compliance support
- Scalable energy solutions
Project Development
- Energy cost reduction
- Custom system design
- Tax incentive optimization
- Long-term ROI planning
SolarCare
- 24/7 system monitoring
- Preventive maintenance
- Performance optimization
- Rapid response support
Energy Credit Brokerage
- Tax credit monetization
- Renewable energy certificates
- Incentive program navigation
- Financial optimization
Contact Us
We're here to help with your next energy project. Complete the form below and a representative will contact you shortly.

