This study analyses Canada’s energy system, and provides an objective assessment of future options to maintain energy security and meet climate commitments. Canadians need a viable and sustainable long-term energy strategy, based on availability, scalability, cost, environmental impacts and alternatives of all energy options. The study serves as a definitive guide to Canada’s current energy realities and their implications for a sustainable future . It takes a detailed look at Canadian energy consumption, renewable and non-renewable energy supply, the state of Canada’s resources and revenues, and what it all means for emissions-reduction planning.