The Appropriate Technology Collaborative

The Appropriate Technology Collaborative Creating lasting change through empowering communities with sustainable technologies. Join us as we design, develop, and distribute innovative programs.

Helping foster economic growth and improve the quality of life for low-income people.

12/01/2025

This Wednesday!

John Barrie is retiring from ATC! Please join us on December 3 to celebrate and for ATC's annual fundraiser!Event info: ...
11/21/2025

John Barrie is retiring from ATC!
Please join us on December 3 to celebrate and for ATC's annual fundraiser!

Event info: https://lnkd.in/gVRdNDqN

December 3, 2025 5:30 - 8:30 pm

The Back Office Studio
13 North Washington St
Ypsilanti, MI 48197

In 2009, after meticulously building and installing our own solar home systems we purchased ~600 very robust pre made s...
08/17/2025

In 2009, after meticulously building and installing our own solar home systems we purchased ~600 very robust pre made solar kits. Our ATC made kits lasted 7 years before needing new batteries but many of the kits we ordered in 2010 are still working! We tested over 30 samples to get to the kits we now use. Photos: Installation of one of our first solar panels and a photo of one of our solar lights from our first bulk purchase that is still working after 14 years!

👉 Follow us to see how solar power is transforming lives in Guatemala!





We started teaching solar in 2009. Over time we started to have woman only classes which attracted a lot more women to ...
08/16/2025

We started teaching solar in 2009. Over time we started to have woman only classes which attracted a lot more women to our STEM intensive program. This class is from 2012 in Santa Cruz la Laguna at the CECAP trade school. The teacher is Carlos Alverez, a gifted electronics teacher.

07/29/2025

Big thanks to The Pennywise Foundation for supporting Mayan Power and Light and helping bring sustainable solutions to communities in need. 🌍 They’re backing powerful, life-changing projects all around the world!


https://www.facebook.com/share/v/15HbNJajEq/?mibextid=KsPBc6

Our new dehydrators will be delivered to an organic farming coop on Saturday. The coop has experience working with our ...
07/24/2025

Our new dehydrators will be delivered to an organic farming coop on Saturday. The coop has experience working with our past dehydrators and they have their own special recipes for things like granola bars.

Our new solar food dehydrator under construction.
07/17/2025

Our new solar food dehydrator under construction.

Find out about what we’re up to:
07/06/2025

Find out about what we’re up to:

Ann Arbor-based non-profit Appropriate Technology Collaborative (ATC) is transforming lives across the globe by developing and implementing innovative, low-cost technologies for communities in extreme poverty. From solar vaccine refrigerators to food dehydrators, ATC’s designs are helping meet cri...

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3765 Plaza Drive
Ann Arbor, MI
48108

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