The Swansea Bay tidal lagoon debate tends to focus on its cost. The figure usually quoted is £168/MWh for the feed-in tariff or ‘strike price’ needed to enable it to go ahead. If you were wondering where this number came from, how it was derived, and whether it is still correct, then you’ve come to the right place.
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An attempted reconstruction of Tidal Lagoon Power’s ‘New Power Cost League Table’
Tidal Lagoon Plc (TLP) has recently published a document called ‘The New Power Cost League Table’ that compares the cost-effectiveness of different electricity generating technologies according to a new measure they have devised that they call ‘lifetime consumer cost per MWh’. Figure 1 shows the league table.
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