The OEE provides practical energy conservation advice to consumers, school boards, businesses and institutions, and has links to hundreds of related sites around the world.

With the assistance of the National Advisory Council on Energy Efficiency, the OEE is also charged with identifying opportunities for new and heightened energy efficiency measures. As well, it keeps Canadians abreast of developments in technology that can conserve fossil fuels or support the transition to less carbon-intensive energy sources, including renewable energy.

Informing key decision-makers in government, industry and the environmental and international communities about Canada's energy conservation and energy efficiency efforts and successes is a major focus of the OEE.

One of its key tasks is managing the Government of Canada's new ecoENERGY Efficiency Initiative, with its programs to reduce energy use in buildings and houses