The Toronto-Dominion Centre (TD Centre), the original skyscrapers of Toronto’s Financial District and the largest commercial complex in Canada, is working with North American lighting leader OSRAM SYLVANIA and Gerrie Electric, one of Canada’s largest independently owned electrical distributors, to help continue its mission of sustainability. TD Centre is replacing T8 fluorescent lighting with approximately 55,000 energy-saving and long-life SYLVANIA SubstiTUBE® IPS LED Tubes, saving approximately 2,500,000 kWh annually and $250,000 per year. At 4.3 million square feet the TD Centre, managed by the Cadillac Fairview Corporation Ltd., is one of the largest LEED Platinum certified properties in North America, in addition to being one of North America's largest business communities and home to 21,000 office employees.