What has happened to tidal power? Is it too hard to manage? #PoliticsLive
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@melb4886 Some in Scotland (the Meygen site). The Swansea tidal barrage is back at the proposal/planning stage. The Scottish government supports a lot of research on marine renewables
@melb4886 Tidal power. The return on investment looks bad if we use a short time-horizon. ‘But them’s the rules.’ But better if we use a longer time-horizon (100 years). Economic case is sensitive to real interest rates (interest rates minus inflation) because of high up-front costs.