CLICK TO WATCH : ‘ SUSTAINABILITY IN ACTION ’ 91 geothermal energy from deep below the surface to provide domestic hot water , space heating and cooling services to buildings in the service area . With over 700 boreholes , the City has utilized the technology on a larger scale than ever before , affirms Alen Postolka , District Energy Manager . “ Geo-Exchange is a very simple technology and has existed for over 30 years on a smaller scale . We ’ ve implemented it in a much bigger way . It works by drilling a borehole into the ground around 250 feet deep and inserting high-density polyethylene pipe loop in the boreholes ,” says Postolka . “ The water is circulated through the loops with the water going through the ground , extracting the heat .” You can find further information on how the geothermal system works here . www . luluislandenergy . ca / videos
Richmond has now won 15 awards for its district energy work to date , including the 2016 System of the Year award from the International District Energy Association for the work completed at the Alexandra District Energy Utility . Richmond has led the
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