The wind/solar power forecast system of our company are fully in compliance with the China’s national regulations on renewable energy power forecast. The system could realize ultra short-term forecast, i.e. to provide power forecast for the next 0-4 hours in every 15 minutes, short-term forecast, i.e. power forecast for the next 3 days, and mid-term forecast, i.e. forecast for the next 7 days. Its forecast precision could reach 90%. Therefore the system can greatly improve the economic benefits of renewable energy enterprises.