Ning Zhang, Science Trends
Summary
Multiple energy systems (MES) denote the integration of the generation, transmission, storage, and consumption of electricity, heat, cooling, and gas subsystems in modern energy systems. Driven by information and communication technology, the increasing coupling of different energy systems enables a smarter management of energy than operating each kind of energy system separately. For example, MES is able to improve the overall energy efficiency by synthetic cascade utilization of energy. It can also explore extra flexibility to accommodate more renewable energy integration.
China is the largest energy-consuming country in the world. Urban energy systems consume the most significant fraction of energy in China. Urban energy systems have high energy demand intensity, making energy efficiency of great concern. With the development of the electricity market reform and action plan of energy internet, the integrated energy service is open to public investment. Private companies are allowed to invest and be in charge of the energy supply of the newly-built urban area. An integrated planning of urban energy system planning is necessary to coordinate different forms of energy to achieve a higher efficiency and accommodate more renewable energy.
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