REVOLT opposing unnecessary, excessive and intrusive powerline development

opposing unnecessary, excessive
and intrusive powerline development

REVOLT Newsletter 358

Revolt news 29/08/2012 Print (pdf) Version

1. Der Spiegel reports stability problems on the German grid “causing major damage to a number of industrial companies”, arising from the extent of unpredictable wind power connected to the grid. Recent German policy to abandon nuclear power and to increase wind power is coming under question.

2. National Grid has revised its plans for the Connah's Quay converter station on Deesside in Wales after outline plans were refused by Flintshire councillors. The BBC link shows a pylon infested skyline. Local objections seem to be principally about the precise location of the converter building.

3. NG’s Connah’s Quay converter station is planned for the 400km 2000MW Western Link sub-sea interconnector from Scotland scheduled for operation by late 2015. Revolt welcomes the development as environmentally preferable to overhead lines, subject of course to local environmental care.

4. A different interconnector (owned by Eirgrid of Ireland) terminating near Connah’s Quay is due for completion in September 2012. That is the 260km 500MW East-West Interconnector (EWIC) from Rush near Dublin (news351.9). The cables come ashore at Prestatyn and proceed about 26km underground mainly following the A548 to a converter station at Shotton near Connah’s Quay.

5. Rush Community Council near Dublin has been very concerned about EMF from the EWIC HVDC cables, since the cables run very close to homes in Rush, even within 1.5 metres. Revolt generally favours HVDC transmission with buried cables, subject to avoiding exposures to time-varying EMFs at such very close distances.

6. HVDC cables should be doubly benign for EMFs – once from being buried with close cable spacing and once from being DC rather than AC. However, HVDC cables carry substantial "dirty electricity" with biologically significant frequencies. Modern digital AC-DC converter processes generate repeated transients. It should be simple to ensure a separation of a few metres from homes, combined with strong filtering of transients, sufficient to avoid the exposures of concern. But the Irish grid company Eirgrid seems to have disregarded such common sense and has consequently faced protracted legal proceedings.

7. It is to be hoped that the cables coming to Connah’s Quay, both Eirgrid’s EWIC and NG’s Western Link, will avoid such unnecessary close proximity to homes.

Statements made by the editor or by other parties and quoted for information do not necessarily represent the views of Revolt. Criticism of government and industry, and grievances from members of the public, are in the nature of Revolt's work, though we try to give credit where it is due. Revolt is strictly non-party-political and regrets any offence which may be inadvertently caused.




Custom Search

Search the web

Custom Search