Electric vehicle charging station integrated photovoltaic and energy storage

Electric vehicle charging station integrated photovoltaic and energy storage

The dramatic growth of electric vehicles has led to an increasing emphasis on the construction of charging infrastructure.

Photovoltaic–energy storage charging station (PV-ES CS) combines photovoltaic (PV), battery energy storage system (BESS) and charging station together. As one of the most promising charging facilities, PV-ES CS plays a decisive role in improving the convenience of EV charging, saving energy and reducing pollution emissions.


In China, with the maturity of the photovoltaic industry, the boost of the new energy automobile industry, and the advancement of energy storage technology, the “light storage and charging” integrated power station has also landed smoothly. At present, many domestic companies are actively promoting the construction of “light storage and charging” integrated charging stations. It is the starting point for many enterprises to build a 'light storage and charging' integrated charging station to build a high-power charging facility in social public places, to solve the pain points of new energy vehicle charging infrastructure, and to match the scarcity peaking resources of power grid dispatching.

The cost of photovoltaic+energy storage+charging micro-grid system is gradually decreasing. The "light storage and charging" mode is flexible and friendly, and has broad application prospects in the long run.

Therefore, despite the continuous implementation of the project, the number of “light storage and charging” integrated charging stations is still small. The number of charging piles in the “light storage and charging” integrated charging station accounts for a very small proportion of the total number of charging piles in the country. At present, there are many demonstration application stations, and large-scale promotion has not yet been carried out.

At the same time, energy storage services in charging facilities, safety issues can not be ignored, to prevent the occurrence of heat, short circuit and other phenomena in the process of charging and discharging.

The popularity of new energy vehicles, users' demand for fast charging, the city's electricity load will far exceed the existing power supply capacity, and urban expansion has become a reality. In the future, centralized charging of electric vehicles is likely to lead to urban power shortage. Distributed energy storage can not only solve the problem of urban expansion, but also provide backup power for commercial complexes and intelligent buildings to avoid temporary power outages during peak hours.


The optical storage and replacement power station has a far-reaching impact on the development of new energy vehicles. It is of great significance. Photovoltaic self-use, green economy, energy storage can alleviate the expansion of power grid investment, and optical storage charging stations will become the mainstream of charging infrastructure development.

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