Solar Installer in Southern Illinois - StraightUp Solar

StraightUp Solar Serves Southern Illinois!

StraightUp Solar is the most experienced turn-key solar installation company serving Southern Illinois. Founded in 2006, we have installed over 1700 solar projects since then. Our headquarters are located in St. Louis, and a secondary office in Bloomington, IL. Customers throughout Illinois trust us to handle the entire solar project from start to finish: including engineering, procurement, construction, installation, and service. Our staff of experts educate and guide you through the process every step of the way, always starting with a free, no-obligation home assessment.

Why Choose StraightUp Solar for your solar installation needs? Overall, it is our stellar reputation. This comes from our professional, devoted people and commitment to the growth of clean energy for a more sustainable future.

Proud Partner of Saluki Athletics

Proud Partner of Saluki Athletics


The McCarty Residence
The Kaufman-Austill Residence
The Lampert Residence

Commitment to People and Planet

Choose StraightUp Solar

Experience & Dependability
Over 1700 Installations since 2006.
StraightUp Solar Warranties
25 year warranty on panels, 10 year workmanship warranty, 10 year “Sunrise to Sunset” production warranty
Top Work Places 2020
We won a place on the Top Work Places list in the small business category by the St. Louis Post Dispatch for 2020!
Expert Team
Of our 75 employees, 46% have their NABCEP (North American Board of Clean Energy Professionals) certification.

Get a Free Solar Assessment

To find out if solar is a fit for your home, fill out the section below and a Solar Support Specialist will get you started with a free, no-obligation home assessment.

Our People

The StraightUp Solar team is intentionally diverse, with backgrounds ranging from military organizational leadership to environmental policy, electrical engineering, and finance. All 75 employees come together to help people save money on their utility bills, move our region toward a clean energy future, and achieve energy independence. We're here to find the right solar solution for homeowners, like you.

Trusted Installer for Group Buy Programs

We are proud that our StraightUp Solar team has been chosen as the trusted installer for 14 solar group buy programs to date—including the Solarize Southern Illinois program. Group purchasing programs are designed to increase solar education in a region and make it easy for homeowners to go solar by offering special pricing and choosing a trusted installer for you. We are vetted through a rigorous bidding process and continue to come out strong.

In fact, Solarize Southern Illiniois’ careful selection process helped customer Virginia feel confident about moving forward with her solar investment. Watch the testimonial to hear Virginia’s experience.


Get a Free Quote for Your Home