The tidal station built into an existing seawall on Lake Sihwa in Gyeonggi Province, South Korea, operating since August 2011 with 254 megawatts from ten submerged bulb turbines, the biggest tidal power plant in the world. The runner-up and former record holder is the 240 megawatt La Rance station in Brittany, operational since 1966 and still the oldest. Sihwa generates only on tidal inflows into its basin, so annual output is modest against the nameplate figure; it is run by the state water company K-water.
Facts
Facility Type LocationLake Sihwa, Gyeonggi Province, South Korea 2 Capacity (MW)Generates on tidal inflows only, so output runs far below round-the-clock nameplate. Commissioned Year Connections
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1. Power Technology
GlobalDataFeatures, Tidal giants, Sihwa Lake
With an output capacity of 254MW, the Sihwa Lake tidal power station located on Lake Sihwa, approximately 4km from the city of Siheung in Gyeonggi Province of South Korea, is the world's biggest tidal power plant.
Operating status, entity description
operating since August 2011 with 254 megawatts from ten submerged bulb turbines
Associated With: La Rance Tidal Power Station, Features, Tidal giants, La Rance
The 240MW La Rance tidal power plant on the estuary of the Rance River in Brittany, France, has been operational since 1966 making it the world's oldest and second biggest tidal power station.
View the Source 2. Tethys Knowledge Base
Pacific Northwest National LaboratoryTethys, Sihwa Tidal Power Plant, Details
Installed Capacity: 254 MW
Tethys, Sihwa Tidal Power Plant, Project Progress
The construction of the Sihwa tidal barrage power plant (TBPP) was completed in 2011 and its operation started in August.
Tethys, Sihwa Tidal Power Plant, Location
Sihwa embankment, Ansan City, Gyeonggi-do, Korea
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