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Toronto Zoo One Step Closer to Opening Biogas Plant

By District Energy posted 05-29-2018 00:00


Renewable Energy Magazine


On May 9th, just a little over two years after the project's initial groundbreaking, ZooShare and Canada's Toronto Zoo celebrated delivery of the engine for a biogas plant that will generate electricity from zoo poo and food waste.

Courtesy of ZooShare

In addition to the 2,000 tonnes of waste from the Toronto Zoo, the plant will also process 15,000 tonnes of inedible food waste from local grocery stores and turn it into power, heat and fertilizer. The zoo-based biogas plant will cover one and a half acres of the Toronto Zoo's land.

ZooShare’s Executive Director, Daniel Bida, was there to meet the delivery of the generator.  “It was an exciting moment.  The CHP is an essential piece of our project, and as the first piece of equipment to arrive, it is the first step towards construction,” he said.

The combined heat and power (CHP), also known as cogeneration, is the simultaneous production of electrical power and heat.  First, biogas powers the engine, then the engine runs an alternator which creates renewable power. The rotation of the alternator also produces heat–and unlike conventional technologies that waste it by letting it float off into the atmosphere–the efficient CHP unit will capture that heat and use it to warm the ZooShare tanks and buildings on site.

The next steps are to connect the CHP unit to the Ontario grid, and then construct the tanks and buildings that make up the rest of the biogas plant.

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