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Analysis of Influences of Residential Energy Prices Change on Development of Residential Distributed Energy System

As an important part of building energy efficiency, residential distributed energy system once was paid so much attention before, but due to restricted factors such as cost, revenue and policy, it would not be promoted further. Among them, the electricity price is one of the main factors. With the introduction of ladder-type electricity price, a comprehensive assessment respectively in PV system and residential GE cogeneration system will be made to discuss the economical efficiency and feasibility of residential distributed energy system.