Cogswell redevelopment bucks the (energy) system | City | Halifax, Nova Scotia – Nova Scotia News

Cogswell redevelopment bucks the (energy) system | City | Halifax, Nova Scotia – Nova Scotia News


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  • A rendering for the redeveloped Cogswell neighbourhood (not pictured, the energy system heating all those new buildings).
  • VIA HRM

The city’s plans for the Cogswell Interchange redevelopment are centered on creating a source of renewable energy out of the wastewater coming from the nearby sewage treatment plant, though it remains unclear whether this will attract or deter potential buyers.

The energy in the wastewater would be converted into thermal energy at a transfer station located in a treatment plant run by Halifax Water, then distributed to all buildings in the area through insulated pipes, creating what’s known as a District Energy System.

Being fuelled by a renewable energy source, a DES of this kind would be the most environmentally friendly choice, with the lowest amounts of greenhouse gas emissions and highest energy efficiency rate compared to conventional natural gas, electricity or heating oil systems.

Aside from being the greenest option, a 2016 report to members of the city’s Environment and Sustainability Standing Committee found…



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