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Offshore Wind Accelerator Tender: State of the Art and Standardisation of Pre and Post Construction Energy Yield Analysis


Call for entries from companies and consortia to undertake a study looking to understand the different approaches within industry in comparing pre-construction energy yield assessments to post construction analysis.

The difference between wind farm energy yield, pre and post construction, occurs due to a range of factors. Identifying the gaps and inconsistencies in industry practices will allow the potential contractor to outline how the process can be standardised, thereby resulting in a best practice document for the offshore wind industry.

The key objective of this project is to evaluate current state of the art methodologies of undertaking pre-construction energy yield assessments and post construction analysis including the methodology used in comparing the two. Ultimately, a document will be produced that summarises the results and the contributing factors to deviations in ‘predicted’ and ‘actual’ energy yield while also outlining a best practice approach to the aforementioned tasks.

For further details, please see the relevant documents below:


Responses to clarification questions can be found below:


The closing date to receive tender submissions is 17:30 BST Friday 12th July.

All clarification questions and tender submissions should be sent electronically, by their respective deadlines, to, with in copy. 

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