China has brought its largest offshore solar project—designed to integrate photovoltaic power, hydrogen production, and energy storage—fully online, marking a key milestone in the country’s clean energy transition.
Source: Science and Technology Daily
China has brought its largest offshore solar project—designed to integrate photovoltaic power, hydrogen production, and energy storage—fully online, marking a key milestone in the country’s clean energy transition.
Located in Rudong County, Jiangsu Province, the 400-megawatt facility was connected to the grid at full capacity at 3:38 p.m. on April 29. It is expected to generate around 468 million kilowatt-hours of electricity annually—enough to power approximately 700,000 households for a year.
Developed by the Jiangsu branch of Guohua Investment, the project is part of China’s third batch of large-scale solar base developments. It is built on reclaimed coastal land in the Yudong area and is designed to operate for roughly 1,200 hours each year. The facility is also equipped with a 60 MW/120 MWh energy storage system and a hydrogen production and refueling station capable of producing 1,500 cubic meters of hydrogen per hour and dispensing 500 kilograms daily. These integrated systems allow for the local use and conversion of green electricity, bolstering the region’s efforts toward carbon neutrality.
Environmental restoration is also a key feature of the project. Since construction began, developers have carried out large-scale removal of invasive Spartina alterniflora (cordgrass) and undertaken measures to protect local wetlands and migratory bird habitats. To date, over 6,400 mu (roughly 427 hectares) of coastline has been restored.
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