BSGenergy Integrated energy service solution, covering energy system construction, energy investment management, energy efficiency assurance, energy hosting, energy conservation measures, and etc., achieving the optimal operation of the energy system, collaborative management and interactive response, improving the energy system efficiency, depending on the measures of multiple energy resouce combination and intelligent coupling. EPC.OPM, BOT, EMC and other business models can be defined, which to meet the customers' different business condition and support the customers to achieve efficient, saving and sustainable development in the topic of energy managemant.