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The International District Energy Association (IDEA) is a nonprofit trade association founded in 1909 to facilitate the exchange of information among district energy professionals.

Today, IDEA has over 1,800 members in 25 nations and is governed by an all-volunteer Board of Directors.

The support and collaborative input of IDEA members continues to enable us to inform, connect and advance the district energy industry.
Press Releases:
 Upcoming Events:more  
CampusEnergy 2025
38th Annual Campus Energy Conference & Thermal Distribution Workshop
2/3/2025 - 2/6/2025
IDEA 2025
116th International District Energy Association Annual Conference & Trade Show
6/2/2025 - 6/5/2025
CampusEnergy 2026
39th Annual Campus Energy Conference & Thermal Distribution Workshop
2/17/2026 - 2/20/2026
IDEA 2026
117th International District Energy Association Annual Conference & Trade Show
6/23/2026 - 6/26/2026
CampusEnergy 2027
40th Annual Campus Energy Conference & Thermal Distribution Workshop
Dates: TBD



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