Currently, the total installed capacity of various new energy power generation systems connected to the grid in Zongyang county stands at 571,400 kW, comprising 545,700 kW of photovoltaic power generation, 16,700 kW of wind power generation, and 9,000 kW of biomass power generation.

The integration of a high proportion of large-scale new energy sources into the power grid has raised higher demands on grid operation. In recent years, the State Grid Tongling Power Supply Company has expedited the upgrading of the grid structure, reinforced the construction of supporting facilities for new energy grid connection, and made every effort to ensure the consumption of clean electric energy.

Since 2016, the State Grid Tongling Zongyang Power Supply Company has been committed to the integrated management of planning, construction, and operation and maintenance. The 220kV Dujiang Substation, 110kV Pucheng Substation, Baihu Substation, and Shuangxi Substation have been successively completed and put into operation. The expansion of the 110kV Qianwang Substation and Shilin Substation has been completed, and the renovation of eight 35kV substations has been carried out. Currently, Zongyang county boasts transmission lines ranging from 35 to 110 kV, totaling 439.75 kilometers, and 10 kV distribution lines spanning 2,496.72 kilometers, providing strong support for the integration and grid connection of new energy sources.

In addition to the numerous "integrated fish and photovoltaic" power stations in Zongyang county, an increasing number of enterprises and rural residents are now opting to fully utilize the roofs of factories and residential buildings to install photovoltaic panels. This allows them to generate and consume their own photovoltaic power, with any surplus being fed back into the grid. "During peak periods, our factory's rooftop photovoltaics can produce 800,000 kilowatt-hours of electricity per month, saving businesses 160,000 yuan in costs," said Dai Qinghong, the head of Tongling Wanhua Hexiang Board Co Ltd.

To better facilitate the grid connection of distributed photovoltaic users, the State Grid Tongling Power Supply Company actively implements the State Grid Corporation's working system for integrating new energy projects into the power grid. It establishes a dedicated team of Party members to provide comprehensive services for photovoltaic power stations, including preliminary planning and grid connection, operation and maintenance, policy consultation, and subsidy distribution. This ensures that all qualified green electricity is fully integrated into the grid.

According to data, from January to August this year, the cumulative on-grid electricity generated from various new energy sources in Zongyang county, Anhui province, reached 484.083 million kWh, accounting for 39.67 percent of the county's total electricity consumption. Currently, China's renewable energy power generation accounts for one-third of the total electricity consumption in society, steadily advancing toward the goals of "carbon peaking and carbon neutrality".