| Bluemull Sound Tidal Stream Array | 0.3 | 3 × 100 kW Nova Innovation M100D | United Kingdom
Under constructionThe following table lists tidal power stations that are currently under construction as of the date in each cited source.
| Station | Capacity | Country | Location | | | | Morlais | 240 MW potential | United Kingdom
ProposedThe following table lists tidal power stations that are at a proposal stage. Some of these scheme may not go ahead, but have not formally been cancelled.
| Station | Capacity | Turbines | Country | Location | | | EURO-TIDES project | 9.6 | 4 × Orbital O2 | United Kingdom
Historical proposalsThese schemes were proposed, but will not now go ahead in the form originally proposed because the developer has ceased trading, the technology is no longer being developed, or the consent has lapsed.
| Station | Capacity | Country | Location | Status | | | Alderney tidal plant | | Bailiwick of Guernsey|name=Guernseycoord|49|42|52|N|2|12|19|W|type:isle_region:GB|name=Alderney
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