New infrastructure
Jiangsu island-type substation project officially started construction
Seetao 2023-05-29 16:06
  • The project will be completed and put into production on June 30, 2024
  • After the completion of the 110 kV Sunshine Island Substation, it will greatly improve the power supply reliability of the island
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On May 26, 2023, the first island-type substation in Jiangsu, the Sunshine Island 110 kV power transmission and transformation project, started construction in Sunshine Island, Yangkou Port Economic Development Zone, Rudong County, Nantong City. The start of the project will accelerate Rudong's strategic goal of building a national-level energy island.

Sunshine Island 110 kV Power Transmission and Transformation Project

It is understood that Sunshine Island, where the 110 kV power transmission and transformation project is located, is the first artificial island formed by landfill in Jiangsu Province, covering an area of 3 square kilometers. The island has a liquefied natural gas (LNG) receiving station, a liquefied product tank area, The dry bulk storage area and comprehensive service area are all available. It is not only the transfer and storage area of crude oil, refined oil, and liquid chemicals in Jiangsu, but also the key energy infrastructure project in the national "Yangtze River Delta Regional Integration Development Plan". One of the layout places. After the completion of the 110kV Sunshine Island substation, it will greatly improve the reliability of power supply on the island.

According to reports, the Sunshine Island 110 kV power transmission and transformation project will install two 50 MVA main transformers in this phase, and 4 110 kV outlets. It is planned to be completed and put into operation on June 30, 2024. The project will be constructed as a comprehensive energy station, and the roof photovoltaic will provide all the equipment and facilities in the substation except the main power equipment with the power required for operation, so as to realize self-sufficiency in electricity consumption in the substation. In addition, the project also adheres to green construction, adopts technologies such as permeable concrete roads, realizes energy conservation and emission reduction during construction and operation, and builds the first island-type zero-carbon substation in the South Yellow Sea.

At the same time, the project fully considered the characteristics of strong winds and waves and strong salt spray on the island, and enhanced the anti-seismic, wind-resistant, and corrosion-resistant performance of buildings and electrical equipment. Inside and outside the island, it is arranged in a serpentine manner to reduce the damage to the cables when the bridge vibrates, and to ensure the safe and reliable operation of long-distance cables to the greatest extent.

It is understood that in response to the country’s proposal to speed up the construction of a natural gas production, supply, storage and sales system, Dongyangkou Port has positioned Sunshine Island as an energy island. Up to now, Yangkou Port has built a deep-water channel with the best conditions for LNG ships entering the port in the country. Large-scale LNG receiving terminal in the Triangle area. Since the island was put into use, it has accumulatively received and unloaded more than 50 million tons of LNG and exported more than 70 billion cubic meters of natural gas, supporting more than one-third of Jiangsu Province's gas consumption. At the same time, Yangkou Port Area is an important port site for LNG distribution in the country, with a planned unloading capacity of 20 million tons. The 110kV Sunshine Island Substation, which started construction this time, will completely break the island's power supply bottleneck and become the island's main power supply. It will install an energy engine for this green energy island on the blue sea, and effectively solve the energy consumption problem of Sunshine Island.

In order to fully guarantee the smooth construction of the Sunshine Island 110 kV power transmission and transformation project, the Party Committee of the State Grid Rudong County Power Supply Company set up a temporary party branch of the Sunshine Island 110 kV power transmission and transformation project, and established a commando team of party members to keep an eye on the important nodes of project delivery and carry out project tackling , Strengthen inter-departmental coordination and cooperation to ensure that the project is progressing steadily according to the time sequence.

Liu Tuo, deputy head of Rudong County People's Government, said that Sunshine Island, as an important part of the national integrated development plan for the Yangtze River Delta, plays a key role in achieving the double carbon target. The State Grid Rudong County Power Supply Company accurately grasped the high position of power grid enterprises to ensure power supply, stabilize the economy, and benefit the people's livelihood, planned and constructed power infrastructure in advance, and ensured the safe and reliable supply of power, which not only met the needs of economic and social development, but also responded to the National energy clean and low-carbon transition requirements. Editor/He Yuting

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