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Founded in 2003, Arch has become an undisputed leader in Wisconsin Solar. We strive to educate and empower everyone interested in solar to achieve their renewable energy goals.
When you work with Arch Solar C&I, you get: Local Employees (We only service Wisconsin!) Vertical Integration (Everything is done inhouse; everyone you speak to is employed by Arch)


A Certified Women's Business Enterprise, fostering the growth of a diverse solar workforce in Wisconsin 20+ years of Solar Expertise!




Commercial solar development can take 1-2 years as companies look for financial and ESG gains. You're determining CapEx and other reasons to invest in solar.
You've decided to move forward on solar and have specific questions on how to maximize the projects financial and marketing benefits.

Gathering your company's energy information for the most accurate assessment. Financial proposal with 30-year timeline of current and future energy mix.
A site visit from your Project Developer who will guide you through the timeline and expected system output. Personalized communication about your project goals.
You’re ready to install solar and see the benefits! The installation process itself is relatively quick, keeping in mind the installation queue.
All permitting requirements and communications with your utility. Schedule and timeline of installation.
After solar is installed, you’re wondering who will take care of it for you now, and into the future.


A dedicated Operations and Maintenance division for all fixes.
Tiered plans of yearly solar maintenance.


















Arch’smissiontoempowerstartswithinourteam.
WeofferafullyaccreditedelectricalapprenticeshipinpartnershipwithABCWisconsin. Thisprogramiscertifiedbythestate’sBureauofApprenticeshipStandards.
Ourapprenticesreceiveclassroominstruction,maintainrequiredhoursforcontinuingeducation creditseveryyear,andcomplete8,000hoursofon-the-jobtraining. Withthistraining,ourstaffworktowardtheirJourneymanElectrician’sLicense.






Amicus Solar is a member-owned purchasing cooperative of 73 high-quality, independent, values-driven solar energy companies.




RENEW Wisconsin is a nonprofit organization that promotes renewable energy in Wisconsin, working on policies and programs that expand solar power.

Focus on Energy offers rebates of up to $50,000 for businesses and, up to $60,000 for agricultural producers installing a PV system.

Nate Ongna
Ongna Wood Products
Phone: 920-564-3123 Andy Pederson
DGB@Woodway.com
Manager Village of Bayside
Email: apederson@baysidewi.gov
matt.king@hungertaskforce.org
brad.weinert@froedtert.com
