Sells natural gas and electricity to residential and commercial customers in Canada and the U.S. under long-term fixed and price-protected contracts. Gas is marketed in Ontario, Manitoba, Alberta, British Columbia, Ohio, Illinois, New York and Indiana, and solely to commercial customers in Quebec. Electricity markets include Ontario, Alberta, New York, New Jersey, Pennsylvania, Maryland, Michigan, Texas and California. Also sells and rents tankless and high efficiency water heaters, furnaces and air conditioners in Ontario and operates an ethanol plant in Saskatchewan through subsidiary Terra Grain Fuels Inc.