Midwest Renewable Energy Association (MREA)

Promoting clean energy, energy efficiency, and sustainable living through education and demonstration since 1990.

Renewable Energy Training

We offer industry-leading professional training for solar PV, solar thermal, and small wind systems. Both online and in-person courses are available year-round for all levels of experience.

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Celebrating 31 years of clean energy and sustainable living fun powered by the sun. Save the date for The 31st Annual Energy Fair, June 26-28, 2020 at our headquarters in Custer, WI. Featuring: 200+ workshops, exhibits, live music, food and fun!

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Grow Solar

The Midwest Grow Solar Partnership helps communities expand access to solar through technical assistance, solar group buy programs, and training for inspectors and installers. Bring solar to your community.

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Solar on Schools

Solar on Schools provides a range of free resources to Wisconsin K-12 schools interested in pursuing a solar PV system. This initiative includes a grant, an on-demand course, and technical assistance services.

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Featured News

2020 Training Catalog Out Now

A Note From Our Training Director... If you’ve been on the fence about whether…

February 18, 2020Read More

Solar on Wisconsin Schools

Solar on Wisconsin Schools: A Bold New Initiative by the Midwest Renewable Energy Association Wisconsin K-12…

January 21, 2020Read More

Clean Energy Job Fair

In an effort to connect more of our students, solar professionals, and Midwestern job seekers…

January 20, 2020Read More

Upcoming Courses

Intro to System Advisor Model (SAM) (PV 430.01)

February 24 - March 15, 2020

Basic Photovoltaics (PV 101.15)

March 2 - March 29, 2020

Battery-Based PV System Design (PV 230.02)

March 9 - March 29, 2020

PV System Design (PV 202.14)

March 9 - May 3, 2020

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Our Training Site in Custer, WI

Powered by an assortment of renewable energy systems, our Renew the Earth Institute (REI) in Custer, Wisconsin is our headquarters and primary training facility. At the REI, we offer hands-on courses, give tours, and host The Energy Fair. The building and grounds are available for event rentals like weddings, meetings, and more. Learn more