IDEA Conferences

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Save the Date for Upcoming Live Events

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

IDEA2026
Rogers Centre and The Westin Ottawa, Ontario, Canada
June 23-26, 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 & Recent Webinars

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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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Speaker Resources

Poster Guidelines

Media Pass

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

IDEA Requirements for Journalist Media Pass