List of tidal power stations

Columns: Station | Capacity ( MW ) | Country | Location
Garorim Bay Tidal Power Station | 520 | South Korea | Garorim Bay | Incheon Tidal Power Station | 818 or 1,320 | South Korea | 37°29′48″N 126°20′32″E / 37.49667°N 126.34222°E / 37.49667 ; 126.34222 ( Incheon Tidal Power Station ) | Severn Barrage | 8,640 | United Kingdom | 51°21′30″N 03°06′00″W / 51.35833°N 3.10000°W / 51.35833 ; -3.10000 ( Severn Barrage_dim:8000 ) | Tugurskaya Tidal Power Plant | 3,640 | Russia | Okhotsk Sea | Mezenskaya Tidal Power Plant | 24,000 | Russia | Mezen Bay | Penzhinskaya Tidal Power Plant | 87,100 | Russia | Penzhin Bay | Skerries Tidal Stream Array | 10.5 | United Kingdom | 53°26′N 04°36′W / 53.433°N 4.600°W / 53.433 ; -4.600 ( Skerries Tidal Farm ) approx | Tidal Lagoon Swansea Bay | 320 | United Kingdom | Swansea Bay | Gulf of Kutch Project | 50 | India | Gulf of Kutch | Alderney tidal plant | 300 | Alderney | 49°42′52″N 2°12′19″W / 49.71444°N 2.20528°W / 49.71444 ; -2.20528 ( Alderney )

Example questions:
For the lowest MW power proposed tidal power station , it 's location is in what sea ? | For the proposed tidal power station that was to be constructed off the south coast of Wales , what is the Welsh name of its location ? | For the highest MW power proposed tidal power station , what capacity does one of the proposed variants presume it to be ? | Where does the country 's economy of the proposed tidal power station that 's located in Seosan rank in terms of nominal GDP ?

Answers:
Arabian | Bae Abertawe | 87 GW | 12th-largest