Best Solar Companies in Madison: What to Compare
Madison is a practical place to go solar at the moment. Wisconsin ranks 18th nationally for installed solar energy, and local energy replacements are straightforward for systems with a capacity of ≤200 kW via MGE’s PowerClerk process.
Property owners also benefit from retail-rate net metering with MGE, so exported kWhs are credited at the same rate as your bill. This helps model payback on residential and small commercial arrays.
With bankable equipment and experienced local crews, Madison solar panel installations have evolved from a “nice to have” to a disciplined upgrade. Let’s have a look at the comparison for the top solar companies in Madison, Wisconsin, through this blog.
8 Solar Companies in Madison that Focus on Quality & Output
Here are the top solar installers in Madison that handle the replacement and electrification work in Madison, Wisconsin in 2025:
1. Full Spectrum Solar
Madison-based installer delivering design→permitting→interconnection and post-install support from a local team. When comparing solar companies in Madison for solar panel installation, their in-city service (including homes and community sites) provides real proof of performance.
- 25-year panel/performance coverage.
- Offers battery backups and Level-2 EV charger installations in one scope.
- Customer case notes permit, Alliant interconnection, and Focus on Energy rebate.
- Uses Heliene modules + Fronius string inverters (26 kW).
Their portfolio spans community, municipal, schools, and faith sites (e.g., City of Monona, Oregon School District, Trinity Lutheran).
2. All Energy Solar
A multi-state installer that actively serves the Madison area. All Energy Solar aims to bundle everything together from cite inspection to incentive filings.
- Offers direct financing with no prepayment penalty and choose-your-duration loans.
- 25-year workmanship warranty with ~25-year manufacturer warranties on modules/inverters.
- Tesla Powerwall and Enphase IQ batteries (both with 10-year manufacturer warranties), plus Level-2 charger installs designed alongside PV.
When comparing solar companies in Madison, All Energy Solar stands out with a high-capacity team, offering numerous battery options, EV support, labor coverage, and direct financing.
3. Midwest Solar Power
A design-build team that keeps Madison solar panel installation focused on site-specific engineering, bankable hardware, and clear next steps from proposal to PTO. They stand out for publishing their process and showcasing local work, so you can benchmark outcomes earlier.
- 5-year parts & labor (installer warranty). 25-year product & performance, and up to 25-year labor when installed by a REC Certified Solar Professional.
- Enphase IQ microinverters carry an industry-standard 25-year limited warranty.
- Ground-mount is a core service and shows active commercial capability.
Midwest Solar Power reviews cite that they handled permits, Alliant interconnection, and Focus on Energy paperwork. Clear evidence that they own the admin, not just the install.
4. SolEnergy
SolEnergy is a local solar company in Madison that specializes in building energy projects for homeowners and commercial property owners. They aim to keep storage and EV charging under one roof so schedules and inspections stay coordinated.
- Offers low-APR financing with terms from 12 months to 25 years.
- 25-year manufacturer warranty.
- Get quotes within 24 hours and a no-penalty cancellation period.
SolEnergy Solar combines marketplace-verified status, install coverage, and financing, providing a clear, single-team path from design to PTO without requiring multiple contractors.
5. Everlight Solar
Everlight Solar is a high-volume installer with clear budgeting and reroofing paths. They provide you with smart control over power production and offer multiple long-term coverage options.
- Cash purchase or $0-down financing. Starting APR is ~3.49%.
- 10-year workmanship, 25-year linear performance on panels, and ~10-year inverter manufacturer warranty. Monitoring is included in purchase/loan plans.
- Offers Tesla Powerwall and sonnen batteries.
Use their published warranty/financing to benchmark the total cost of ownership against other solar companies in Madison. Request a written warranty matrix and the financing term sheet.
6. Watts Up Engineering
Engineer-led EPC with integrated roofing with one team to scope, design, permit, and commission a Madison solar panel installation. They publish the stack they build with and put their warranty terms in writing, so you can compare apples-to-apples before you sign.
- Inverters: SMA and Sol-Ark; Modules: Qcells; Storage: HomeGrid.
- 5-year workmanship (parts & labor), 15-year inverter, 30-year panel warranty.
- Offers whole-home batteries, generator integrations, and EV charger planning.
- Registered with PACE Wisconsin for long-term, low-cost commercial energy upgrades.
Among solar installers in Madison, WI, this is a fit if you want engineer-run scoping, named gear, and varied warranty years. Don’t forget, roofing and storage are also handled by them.
7. Arch Solar
Design–build installer with in-house crews and a clear post-install plan. Among solar companies in Madison, Arch has hard terms (workmanship and equipment warranties), names its hardware ecosystems, and documents monitoring / O&M, so you know who owns what after PTO.
- 25-year warranty on panels and inverters. Includes 5-year workmanship warranty on residential installs.
- Sells Tesla Powerwall 3 with 10 10-year warranty on batteries.
- Integrated PV plus residential & commercial EV charger commissioning available.
- List includes Enphase (microinverters), REC/Boviet (modules), SolarEdge, Generac, and SPAN (load management).
- Arch has access to your panel monitoring and will notify you if the data flags issues.
Arch is a strong competitor in Madison, offering established guarantees for equipment, a one-stop solar shop, and other services that require engineer-led teams.
8. SunPeak
Commercial-first EPC with a Madison track record, and it is ideal if you are comparing solar companies in Madison for larger facilities. They can fulfill needs like design, structured financing, and supported lifecycle O&M.
- Publishes a guide comparing loans, leases, and PPAs.
- All systems are warrantied and are monitored 24/7 via the cloud.
- Assesses whether battery storage aligns with your operational/financial goals.
Case studies include American Family Insurance HQ (1.2 MWdc, 4,488 panels, ~7% of site load) and Certco HQ (726 kWdc) in Madison.
Choosing a Madison Solar Installer
You have seen who’s active locally and what they actually deliver. Now reduce each bid to a comparable, one-page summary that uses identical assumptions for load, shading, equipment models, monitoring, and MGE/Alliant rates.
Ask for a written warranty that clearly spells out the product, performance, inverter, and labor/roof-penetration coverage years, as well as who will monitor the system and how quickly they respond. Obtain financing details, including APR, fees, prepayment rules, and transfer language, as well as confirm who owns Focus on Energy filings and utility interconnection.
Do all this by reviewing the solar companies on Solartiqo first. We provide the most comprehensive vendor comparison marketplace for you, allowing you to save on electricity bills and find the most suitable partner to manage solar installation on your property.
