About IDEA

IDEA’s Mission

The International District Energy Association (IDEA) works actively to foster the success of our members as leaders in providing reliable, economical, efficient, and environmentally sound district heating, district cooling, and combined heat and power.

What We Do

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History of IDEA

Founded in 1909 as the National District Heating Association, IDEA continues to inform, connect, and advance the district energy industry around the globe. Today, the association has a membership of over 2,400 industry professionals representing more than 30 countries from around the globe.

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A Look At Our Members

IDEA represents over 2,400 members from more than 25 countries around the world and from across the district energy industry. IDEA members own, operate or provide technology and services to district energy systems that supply steam, hot water, chilled water and energy services to multiple buildings in cities, communities, campuses, airports, military bases, industry and healthcare facilities.

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Who We Are

The International District Energy Association (IDEA) is a 501(c)(6) nonprofit industry association founded in the United States in 1909. IDEA has extensive experience in highly reliable thermal networks, combined heat and power, thermal storage and clean energy management to optimize energy efficiency, emissions reductions and sustainable solutions for mission-critical and community-scale markets.