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Toronto District Cooling & Advances in Energy Efficiencies at Sunnybrook

PEO York Chapter

Wednesday, October 4, 2017 from 7:30 PM to 9:30 PM (EDT)

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Standard Ticket Oct 4, 2017 Free  

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pipe layoutEnwave Toronto provides heating and cooling service to more than 150 customers in downtown Toronto. The centralized steam heating system started in the 1970s, while cooling service was added in 2004. The company’s innovative deep lake-water cooling system uses cold water from Lake Ontario as its clean, renewable and reliable cooling source. By using this natural energy source in a cold-energy transfer loop the project can replace building air-conditioning technologies that rely on electricity and fossil fuels. The undertaking is capable of servicing 20 million square feet of office space, is expected to reduce annual carbon dioxide emissions by 36,400 tonnes and save 30 million kilowatt-hours of electricity per year.

While the idea of using lake water to air-condition downtown buildings was first conceived in 1981, it wasn’t considered viable until five years ago when the Toronto District Heating Corporation (TDHC) proposed integrating a lake cooling system with infrastructure from the city’s lake water supply. Under this sharing arrangement, the cold water drawn from far out in Lake Ontario will serve a dual purpose — as chilling for the closed-loop district energy system, and as a fresh supply of raw water for the Toronto Island filtration plant. Not only does this approach bring the efficiencies of using existing infrastructure, but it also has the advantage of lowering the temperature of Toronto’s summer drinking water. The city has suffered taste and odour problems in the hot summer months with its present supply, which is being drawn from warmer waters, closer inshore.

joyce leeOur presenter, Joyce Lee, P.Eng. began her career at Enwave as a coop student in 2001 and has held progressively senior positions since then culminating in her appointment to Vice President of Operations in 2013. In her current role, Joyce is responsible for all plant and distribution system operations ensuring safe, reliable and optimal operating performance. She plans, organizes, directs and oversees the activities in the Operations Group pertaining to energy conversion and transmission, operations and maintenance, material use and labour management, customer satisfaction.She works closely with the City of Toronto Water Department in connection with Enwave’s Deep Lake Water Cooling system and with Toronto Fire and Police departments for emergency responses.

Joyce graduated with a degree in Environmental Chemical Engineering from the University of Waterloo in May 2002. She received her master degree in Mechanical Engineering from the University of Toronto in November 2007. She has collaborated with UofT faculty to conduct research on Biofuel Applications for Enwave’s boiler plants. Joyce has been a member of the International District Energy Association since 2004, the Professional Engineers of Ontario since 2005 and the Ontario Society of Professional Engineers since 2013. She is a committee member of the Women In Engineering for PEO York Chapter since 2014.


sunnybrook health sciencesSunnybrook Health Sciences Centre in Toronto hosts 1.2 million patient visits and $100 million of medical research each year. The Bayview Campus started out as a veterans hospital 70 years ago and has grown to 3 million square feet. The facilities infrastructure includes 160,000 lbs/hr of steam production, 10,000 tons of cooling, 10 MW of emergency generation and 30,000 BAS points. The size, complexity and age of this critical infrastructure present many challenges and opportunities. Ongoing energy management activities have proven to be extremely valuable in reducing costs and improving system performance. Our speaker will provide an energy insider’s perspective at Canada’s largest trauma hospital, encompassing: energy supply considerations such as electricity Global Adjustment and carbon cap-and-trade; business processes like policy and staff engagement; and recent and planned projects including emergency generator plant renewal, steam chillers, gas turbine cogeneration and grid-scale battery energy storage.

michael lithgowOur presenter is Sunnybrook’s Manager of Energy and Climate Change, Michael Lithgow, P.Eng., CEM, LEED AP BD+C. He arrived at the hospital in 2015 with 30 years of energy management experience spanning research, municipal services, and commercial and multi-residential property management. Michael graduated from the University of Waterloo in 1990 in Mechanical Engineering and is a member PEO York Chapter.


The event is at no charge to PEO Chapter members and networking with other engineers is encouraged!

For other Chapter events, please review the calendar at www.peoyork.com

Rick Vender, P.Eng.
Program Director – PEO York Chapter
program@peoyork.com

Have questions about Toronto District Cooling & Advances in Energy Efficiencies at Sunnybrook? Contact PEO York Chapter

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When & Where


Courtyard by Marriott
65 Minthorn Blvd
Thornhill, ON L3T 7Y9
Canada

Wednesday, October 4, 2017 from 7:30 PM to 9:30 PM (EDT)


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