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Creecy upholds appeal against giant West Coast wind farm 

Credit:  Wake effect impact on a neighbouring wind farm should have been assessed | By John Yeld | GroundUP | 8 September 2020 | www.groundup.org.za ~~

  • Environment minister Barbara Creecy has upheld one out of 16 appeals against the construction of the Boulders wind farm on the West Coast.
  • Aurora Wind Power lodged the appeal citing the wake effect the new farm located upwind of it would create on its West Coast One farm.
  • An impact assessment must now be conducted of the Boulders’ wake effect on the smaller West Coast One farm.

It is back to the drawing board for a giant new wind farm project on the West Coast, following an appeal decision by environment minister Barbara Creecy.

Although Creecy dismissed 15 of the 16 appeals against the go-ahead for the 140-megawatt Boulders wind farm, she crucially upheld one appeal and set aside the environmental authorisation that her Department of Environment, Forestry and Fisheries (DEFF) had issued for this project on 14 January.

The successful appeal was lodged by Aurora Wind Power which has operated its 47-turbine, 94MW West Coast One wind farm on a property adjoining the planned Boulders site.

Both projects are on farmland close to Paternoster, Britannia Bay, St Helena Bay and Vredenburg.

Aurora’s successful appeal related to its concerns about the physical phenomenon known as the “wake effect” on its facility. Because the Boulders project proposed constructing its huge 165m high turbines immediately upwind of West Coast One’s slightly smaller 135m turbines, Aurora argued that its access to the wind resource (at West Coast One) would be reduced by the wake effect. This would in turn cause “significant” revenue losses, estimated at millions, possibly even hundreds of millions, of rands over the 20-year contract with Eskom, it claimed.

In her appeal decision announced last week, Creecy said she had “carefully considered” all the information about the proposed new wind farm. She agreed with Aurora’s argument and upheld its appeal, setting aside the environmental authorisation for Boulders.

Creecy also directed Boulders’ developer – German majority-owned Vredenburg Wind Farm (Pty) Ltd – to comply with two instructions.

The first is that it must commission an impact assessment report of the Boulders’ wake effect on West Coast One, and then subject this report to a public participation process in terms of environmental regulations. This means that the public – “interested and affected parties” who include all the unsuccessful appellants – will be able to read and comment on the report.

Secondly, any comments, and any responses to these comments by the developer, must be incorporated into a final Environmental Impact Assessment Report that will be submitted to the department for re-consideration of the Boulders project approval.

Creecy stated in her appeal decision: “The impacts on [wind] turbines caused by wake effect, including material fatigue, are widely known and is an accepted impact … a wake assessment is required for the proposed Boulders wind energy facility … This ground of appeal is good in law, hence it is upheld accordingly.”

Although Creecy only directed the Boulders developer to conduct a wake impact assessment and subject this to a public participation process, the fact that she set aside the environmental authorisation (EA) for the project means that if a new decision is issued by her department, this will again be subject to appeal on all grounds – not just on the wake effect impact.

This was confirmed by a spokesperson for the department.

The 15 unsuccessful appeals against the Boulders project were submitted by individuals, local residents, residents’ associations and conservation groups.

Their objections were summarised by the department for consideration by Creecy into 11 categories. These allegations were:

  • the negative impact of the new wind farm on local tourism and property values (Paternoster is often described as “The Jewel of the West Coast”);
  • the impact on heritage (the nearby Kasteelberg Heritage Resource was recognised in the late 1990s as being worthy of declaration as a National Monument under previous legislation);
  • the unacceptably high visual impact of the Boulders turbines, possibly as many as 45 (the siting of seven turbines had been changed earlier by the developer in response to concerns);
  • the impact on birds, and particularly raptors like the endangered Black Harrier (southern Africa’s rarest endemic raptor);
  • a flawed public participation process;
  • a flawed environmental impact assessment (EIA);
  • “multiple instances” of bias on the part of the environmental consultants who managed the EIA process;
  • misleading claims by the developer about job opportunities associated with the project;
  • concerns about dangers to air traffic and possible interference to internet connections;
  • whether alternative sites for the wind farm had been properly considered; and
  • that the project was approved by DEFF before a Final Environmental Management Plan for Boulders had been submitted and approved.

These appeals were all dismissed by Creecy, who found that they were either unfounded and/or that the alleged issues had been properly assessed and/or that impacts could be satisfactorily and appropriately mitigated. Although some impacts (like the visual impact) were high, none constituted a “fatal flaw” for the planned wind farm, she ruled.

Source:  Wake effect impact on a neighbouring wind farm should have been assessed | By John Yeld | GroundUP | 8 September 2020 | www.groundup.org.za

This article is the work of the source indicated. Any opinions expressed in it are not necessarily those of National Wind Watch.

The copyright of this article resides with the author or publisher indicated. As part of its noncommercial educational effort to present the environmental, social, scientific, and economic issues of large-scale wind power development to a global audience seeking such information, National Wind Watch endeavors to observe “fair use” as provided for in section 107 of U.S. Copyright Law and similar “fair dealing” provisions of the copyright laws of other nations. Send requests to excerpt, general inquiries, and comments via e-mail.

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