District Energy - 2008 Third Quarter

Net Thermal Metering

In the first phase of development, the NEU will receive excess heat generated by solar thermal modules located on the rooftops of three Olympic Village buildings. These modules will supply thermal energy to parent buildings for space heating, domestic hot water, and in one case, absorption chilling. Excess heat produced by these solar installations will be distributed to the wider neighborhood, enabling greater utilization of the solar energy.

NEU energy transfer stations, located within customer buildings, will be designed to both supply and receive energy, returning excess customer-generated heat to the NEU distribution pipe system. The NEU Energy Centre will in turn receive and redistribute this heat to the neighborhood. This net metering technology is not limited to solar thermal energy, as it can readily adapt to accept heat produced by a variety of existing and future building-side thermal energy microgeneration technologies.

This technological approach is transferable to any location where a building with thermal microgeneration facilities is connected to a district energy system. With the growing demand for net zero-type buildings that produce as much energy as consumed, it is expected that the thermal net metering technology being utilized in Southeast False Creek will be used in other jurisdictions. At the time of this writing, one additional Southeast False Creek land developer was making an inquiry into using this technology to return surplus heat generated from solar thermal collectors (for a swimming pool) to the NEU.

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In Canada, the backbone of any
sustainable community is
district energy.
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