Sihwa was built into an existing seawall originally constructed for flood control and agricultural reclamation, repurposing tidal flows moving in and out of the artificial lake to generate power while also helping flush and improve the lake's water quality, which had degraded after the seawall cut it off from the sea. It generates roughly 552 GWh annually.
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Sihwa was built into an existing seawall originally constructed for flood control and agricultural reclamation, repurposing tidal flows moving in and out of the artificial lake to generate power while also helping flush and improve the lake's water quality, which had degraded after the seawall cut it off from the sea. It generates roughly 552 GWh annually.
The Sihwa Lake Tidal Power Station in South Korea, completed in 2011, has an installed capacity of 254 MW across 10 turbines, making it the largest tidal power station in the world by generating capacity.
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Permanent ID limitsregistry.com/limits/LR-SIHWA-TIDAL-POWER
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Limits Registry. LR-SIHWA-TIDAL-POWER. Sihwa Lake Tidal Power Station — largest tidal power station in the world. 2026.