China's Fossil Energy Development Goal and Its Implementation Path, based on the overall optimization planning model of electrical power system, constructs a complete scenario of the harmonious coordination between clean energy and electrical power through systematic quantitative studies, measurement and calculation. It proposes the feasible path and policies for the goal of 15% non-fossil energy in 2020, covering the energy environment environment, condition of resources, demand-supply layout, development scenario, market acceptance and consumption, transportation, social and economic benefits and advice on policy mechanisms, etc.