Combined heat and power（CHP） is an energy-saving and environment-friendly energy-utilizing form that has found wide application across the world. Chinese government has formulated relevant policies to encourage and guide its healthy development and operation. Zhejiang provincial CHP plant data acquisition and analysis system is an information system responsible for management of the energy conversion information and the relevant energy indices of local enterprises in their energy production process. A brief description is made of the design of the supervisory indices， remote measurement， and CHP modeling， the physical， logic and application system architecture， the key data access unit and its integration on the power plant side as well as the subsystems in the master station and application functions. As a provincial level public information platform used by government energy administration departments at different levels， its corresponding branches of state power grid companies， and the local CHP plants distributed in the province， it has played an active role in engineering and management practice.