WARREN – How can an electrical generating plant that burns coal and wastes about two-thirds of its energy possibly be considered ?green?? When that waste energy is used to heat or cool thousands of office workers and apartment dwellers who keep warm or cool by way of a district energy system.
In a previous article, Corp! discussed briefly how a district system was providing heat and air conditioning to many of the buildings in Detroit?s Entertainment District as well as others in its downtown core. Instead of each building having its own capability to provide an appropriate temperature range for its tenants, steam, hot or chilled water is created at a centralized plant and sent to each client facility through an underground piping system.
There are hundreds of these district energy systems across the world, serving not only downtown office and other buildings but also large college campuses ? some with as many as 200 buildings including classrooms, administrative areas and residential housing units.
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