Toronto Hydro-Electric System Limited

Toronto Hydro-Electric System Limited

July 06, 2005 08:30 ET

Toronto Hydro and Enwave Shift Major Downtown Towers to New Cooling System

Announcement reduces downtown AC electricity load by an initial 10 megawatts with potential for more

TORONTO--(CCNMatthews - July 6) - Toronto Hydro-Electric System Ltd. today announced a three-year, $1.6 million investment with Enwave Energy Corporation that will reduce electricity demand in Toronto. This large conservation project will replace existing air conditioning equipment with Deep Lake Water Cooling Technology in the Richmond Adelaide Centre; Adelaide Place; Queen's Park and three other buildings.

This agreement is the second project to be announced since the launch of Toronto Hydro's commitment to reduce peak energy consumption in Toronto by up to 250 megawatts (MW). To achieve this goal, the company will dedicate $39.8 million to conservation and demand management (CDM) programs through 2007. In April this year, Toronto Hydro announced a similar alliance with The Home Depot. Together, the two programs see Toronto Hydro move almost twenty per cent closer to its target of 250MW.

Enwave and Toronto Hydro will begin transitioning the properties to more efficient and lower cost air conditioning as early as September 2005. With Enwave's Deep Lake Water Cooling (DLWC), these buildings will reduce their electricity use for air conditioning by 90 per cent.

For this project, it is estimated that DLWC would deliver 10 megawatts of peak demand electricity savings - enough to power more than 1000 homes or six million square feet of office space. This represents a significant reduction in the City's daily electrical demand, which now stands at roughly 5000 MW.

David O'Brien, president and chief executive officer of Toronto Hydro Corporation, says the company continues to lead the way with innovative and effective programs designed to help its customers conserve energy and save money.

"Not only are we conserving energy, but we're supporting a clean, renewable technology. This one project is equivalent to taking 2600 cars off the road. It complements other Toronto Hydro projects like the wind turbine at Exhibition Place and our solar energy panels at our Commissioners Street facility."

Energy Minister Dwight Duncan is also very enthusiastic about the project. "Deep lake water cooling is a state-of-the-art technology that we are proud to bring to Queen's Park," Duncan said. "This initiative by Enwave and Toronto Hydro stands as a shining example of the enormous potential for energy efficiency and for alternative forms of energy in Ontario."

Deep Lake Water Cooling technology draws icy-cold water (4 degrees Celsius) from a permanent, renewable supply, 83-metres below the surface of Lake Ontario. Through a heat exchange process at the City of Toronto's John St. Pumping Station, the "coldness" of the lake water - not the actual water, itself - is used to produce chilled water that is then used to air condition buildings in downtown Toronto. Toronto Hydro's investment supports the expansion of Enwave's system.

"I would like to commend David O'Brien and his team at Toronto Hydro for taking the initiative to recognize and support projects like Deep Lake Water Cooling which benefits the environment through energy conservation," says Dennis Fotinos, president & CEO of Enwave Energy Corporation.

As an added benefit of this initiative, 10 tonnes of the refrigerant chlorofluorocarbons (CFCs) will be eliminated.

"This is a great environmental win for the City of Toronto," said Mayor David Miller. "By finding such a creative way to reduce our reliance on fossil fuels, we are improving the air quality for Torontonians, and setting an example for the world of how to build a sustainable city."

In the coming months, Toronto Hydro expects to announce more programs that will further reduce peak energy demand in Toronto.

About Toronto Hydro-Electric System Limited

A subsidiary of Toronto Hydro Corporation, Toronto Hydro-Electric System Limited delivers electricity through a complex network of poles, wires and underground structures to 668,673 customers and distributes 18 per cent of the electricity in the province of Ontario. Our annual revenues are $2.49 billion; peak demand of 5000 megawatts and Toronto Hydro-Electric System Limited's workforce of 1,201 skilled professionals are dedicated to delivering a safe and reliable supply of electricity to customers. Toronto Hydro Corporation is owned 100 per cent by the City of Toronto.

About Enwave

Enwave provides low cost, clean energy solutions. Enwave's current customer base of 130 buildings in downtown Toronto includes such high profile buildings as the Air Canada Centre, Metro Toronto Convention Centre, Royal Bank Plaza, TD Centre and Steam Whistle Brewing.

Contact Information

  • For further information:
    or to schedule an interview, please contact
    Toronto Hydro,
    Tanya Bruckmueller,
    T: (416) 542-2621, C: (416) 902-9437;
    Enwave,
    Lisa Belanger,
    T: (416) 392-0242, C: (416) 561-0302