
Seattle Steam is a privately-owned utility that provides reliable and sustainable heat to approximately 200 buildings in Seattle's Central Business District and First Hill neighborhoods. Seattle Steam's mission is to deliver a reliable, cost-effective and efficient source of heat that benefits its customers, the environment and the Seattle community.

Seattle Steam is a District Energy system. In a District Energy system, heat is produced at a centralized plant and distributed by underground lines to nearby buildings. District Energy systems are in operation throughout the world.