Renewable Energy Foundation

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Publications

The Efficacy of the RUK AM Condition

In a study using real wind farm noise data exhibiting significant Amplitude Modulation (AM) we have been able to test the efficacy of the AM noise condition proposed by RenewableUK. The summary of the findings are : 

1.1. The proposed RUK AM condition would not be breached by recorded wind farm noise data with high levels of AM measured at Askam, a site widely recognised to be producing severe AM problems, and at Swaffham, from data where the AM is clear and significant in magnitude. By comparison, data from both the Askam and Swaffham sites would be in breach of the Den Brook AM condition.

1.2. We conclude from these facts that the RUK AM condition is manifestly inferior to the Den Brook condition and does not offer to wind farm neighbours any realistic or significant protection against AM disturbance. 
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IoA Supplementary Guidance Notes on Wind Turbine Noise

REF has responded to the latest consultation by the Institute of Acoustics on the Supplementary Guidance Notes designed to accompany their Good Practice Guide to the Application of ETSU-R-97 for the Assessment and Rating of Wind Turbine Noise.  The summary follows and access to the full text of the consultation response is below.
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Response to Professor Mackay on REF's UK wind farm lifetime analysis

Following a recent and unfortunately misleading article in the Sunday Telegraph (08.12.13) by Christopher Booker there has been a certain amount of renewed comment on Professor Gordon Hughes’ work concerning the economic lifetime of wind turbines, work that used empirical performance data gathered by REF. This comment includes blog postings by Bishop Hill and Roger Helmer MEP, to which Professor David Mackay, Chief Scientific Advisor to the Department of Energy and Climate Change has responded personally with online comments, by releasing a draft paper criticising Professor Hughes’ work, and also with an extended blog posting on his own site.

The following statement comments on the extent and significance of the disagreement with Professor Mackay. For the avoidance of doubt, readers should be aware that Professor Hughes does not accept Professor Mackay’s criticisms of the statistical methods employed in his analysis, criticisms which he regards as ill-informed, and unconstructive.
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Attachments:
Download this file (A.jc.to.dm.26.02.13.pdf)Appendix A
Download this file (B.gh.14.02.13.pdf)Appendix B

Freedom of Information material concerning the IoA Good Practice Guide on Wind Farm Noise

In May this year the Institute of Acoustics (IoA) published a study, A Good Practice Guide to the Application of ETSU-R-97 for the Assessment and Rating of Wind Turbine Noise (hereafter Good Practice Guide) on how to assess the probable noise impacts on neighbours of a proposed wind power installation. REF has a long established interest in this field, which bears directly on public acceptance of wind power, and we submitted Freedom of Information (FoI) requests to both DECC and the IoA. The responses we have received to date are published here.
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Solar Photovoltaic Generation in the United Kingdom

REF analysis of trends in the deployment of solar photovoltaic technology in the UK has been used in a press story today in the Sunday Telegraph (23.06.13) with an editorial comment. Since the development trend towards very large solar revealed by the analysis seems to be surprising to many, we are publishing the following details.

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Wind Farm Noise Guidance Launch Should Not Hide Behind Pay Wall

REF has today written to the Secretary of State at DECC concerning the decision to charge stakeholders and members of the public to attend the launch of the wind farm noise guidance. The consultation and launch of the guidance is under the auspices of the Institute of Acoustics but was instigated and subsidised by Government. 
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IoA Wind Farm Noise Guidance will Lack Credibility unless Primary Data is Made Public

REF has today written to the president of the Institute of Acoustics, Professor Bridget Shield, with the warning that the forthcoming IOA Good Practice Guide on Wind Turbine Noise will be valueless and lack credibility unless the underlying primary data providing the evidence base for the recommended methodology and conclusions underpinning the guidance is also published to enable independent validation. 
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Analysis of Wind Farm Performance in UK and Denmark

REF publishes today a research paper by Dr Gordon Hughes, Professor of Economics at the University of Edinburgh, on the performance over time of wind farms in the United Kingdom and Denmark.  The paper can be downloaded by clicking on the link below.  The UK and Danish data used in the analysis is also available below. The following summarises the results of the research.


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Wiltshire Council Wind Turbine Separation Distances from Dwellings

REF has responded to the Wiltshire Council consultation on separation distances between houses and wind turbines in the proposed Amendment to the Council's Core Policy 42.
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REF consultation response to IoA on ETSU-R-97

REF has responded to the Insitute of Acoustics' consultation on their discussion document entitled  “A Good Practice Guide to the Application of ETSU-R-97 for Wind Turbine Noise Assessment”.
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