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To ask Her Majesty's Government what measures they are taking to monitor any change in performance of wind turbines in on-shore and off-shore locations from their time of construction; whether they intend to publish assessments of the likely future lifetime of the wind turbine systems now being constructed in the UK; and if so, whether this information will be provided to organisations that are investing in such systems.
The Department reviews generation performance of a range of existing and new renewables plants, including onshore and offshore wind, on an annual basis as part of setting the level of the Renewables Obligation. The most recent publication can be found here (copy also attached):
The Department periodically reviews the evidence base on the generation costs of renewable electricity technologies, including their lifetimes, and when appropriate publishes reports on the topic. The most recent of these publications can be found here and attached (copy also attached):