Distributed generation will promote the integration of renewable energy

All along, the lack of policies and inadequate policies have been affecting the development of renewable energy in China. The “Twelfth Five-Year Plan” for Renewable Energy Development organized by the National Energy Administration was officially released recently. Experts said that in the overall goal, the installed capacity of hydropower and photovoltaics has increased greatly. As distributed energy will also be put on the agenda this time, grid-connected bottlenecks are expected to break through, which will greatly promote the healthy development of renewable energy and avoid major developments. Scale overcapacity.

Distributed generation is officially on the agenda

The distributed renewable energy power generation has also been put on the agenda. According to reports, the 12th Five-Year Plan will establish a grid technology support system and management system suitable for distributed power generation such as solar energy, and build 30 new energy microgrid demonstration projects. Various distributed power technologies such as solar power and other distributed power generation, renewable energy heating and fuel utilization, etc., will build 100 new energy demonstration cities and 200 green energy demonstration counties.

Wind power, photovoltaics and other new energy sources have always been the main promotion directions of the government. However, due to the uncoordinated construction of early power grids and new energy power sources, a large proportion of wind power “abandonment of wind” has seriously hindered the application of these energy sources.

Taking solar energy as an example, the advantages of solar photovoltaic power generation are distributed applications. The photovoltaic system should be installed in combination with the user's electricity, and the low voltage should be connected to the distribution network to realize the development and utilization of the nearest area. Power generation is used by long-distance high-voltage power transmission.

Wang Sicheng, a researcher at the Energy Research Institute of the Development and Reform Commission, said that the problem of grid connection is already a bottleneck in the development of new energy, and it is necessary to come up with practical policies. Don't wait for the surplus everywhere to attract attention. The advantages are as follows: the power is consumed on the spot and the power is fully utilized; the second is not to send power from a long distance, saving a lot of investment and reducing a large amount of transmission losses; the third is the scattered power supply and the low voltage level of the access system.

Experts believe that under the current situation where the power system is difficult to reform, grid companies, as operators and managers of power systems, should proactively support the use of distributed power generation systems such as solar photovoltaic power generation in the long-term interests of the country. With support, jointly promote the development of distributed power generation.

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