IDEA Events and Conference Proceedings

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See What You Missed!

Save The Date for Upcoming Live Events

CampusEnergy2025
Westin Boston Seaport District, Boston, Massachusetts 
February 3-6, 2025

IDEA2025
IDEA's 116th Annual Conference & Trade Show
Hyatt Regency Minneapolis, Minnesota 
June 2-5, 2025

CampusEnergy2026
Gaylord National Harbor, Maryland
February 17-20, 2026

Hosting Conferences Since 1909

Founded in 1909 as the National District Heating Association, IDEA continues to inform, connect, and advance the district energy industry around the globe. Starting in 1909, IDEA hosts an Annual Conference and Trade Show each year and added its Campus Energy Conference in 1988 and an International District Cooling Conference in 2007. 

View Historic List of IDEA Annual Conferences and Chairs

View Historic List of IDEA Campus Energy Conferences

View Historic List of IDEA International District Cooling Conferences

Upcoming & Archived Webinars

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Upcoming and Recent Webinars

Thousands of district energy professionals have recently enjoyed the dozens of online educational opportunities we offer, including our latest Insights & Innovations webinar series.


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Media Pass

Please direct all media inquiries to idea@districtenergy.org or call 508-366-9339.

IDEA Requirements for Journalist Media Pass