北部湾跨海联网工程开始敷设海缆

Core Viewpoint - The commencement of the South Power Grid's 220 kV undersea interconnection project marks a significant advancement in the power supply capabilities of Weizhou Island, transitioning from isolated operation to a connected grid system [1] Investment and Financial Summary - The total investment for the undersea interconnection project is approximately 858 million yuan [1] - The project involves the installation of 44.8 kilometers of undersea cable, which is the most complex and critical part of the operation [1] Technical and Operational Details - This project is notable for being the first in China to use domestically produced insulation materials for 220 kV undersea cables [1] - Upon completion, the power supply capacity on Weizhou Island is expected to increase from 35,000 kW to 161,000 kW [1] - The cable laying operation is scheduled to last for 15 days, with the project expected to undergo acceptance testing and commence operation by mid-January 2026 [1]