Core Viewpoint - The successful commissioning of the 220 kV transmission line for the China Nuclear Tianwan 2 million kW tidal flat photovoltaic demonstration project marks a significant milestone in supporting the project's full capacity grid connection and promoting cross-regional green electricity collaboration [1] Group 1: Project Overview - The China Nuclear Tianwan 2 million kW tidal flat photovoltaic demonstration project is the largest offshore photovoltaic project in China, with construction starting in May 2024 [1] - The transmission line project, which began construction in February 2025, spans 19.45 kilometers and includes the installation of 64 new iron towers [1] Group 2: Engineering Innovations - To address challenges such as soft geological conditions and complex construction environments, the project adopted innovative closed-end grouting spiral pile technology, significantly improving construction progress and quality [1] - The design of the transmission line and tower type was optimized to reduce land occupation and minimize environmental impact along the route [1] Group 3: Environmental Impact - Upon full completion, the project is expected to generate approximately 2.2 billion kWh of green electricity annually, equivalent to saving about 680,000 tons of standard coal and reducing carbon dioxide emissions by 1.77 million tons [1]
全国最大海上光伏项目送出线路工程建成投运