The row between wind turbine installer Sundog and renewable energy consultant John Large escalated this week after Sundog revealed it had warned Large the site was unsuitable before fitting the machine.
Sundog director Ali Ross said 'Sundog made clear on several occasions our serious reservations about the suitability of Mr Large's site for the proposed wind turbine. We expressed concern both about wind speed at the site and the numerous trees and buildings in the close vicinity that would adversely affect the output and performance of the turbine.'Sundog hit back at revelations that the Proven Energy WTR2500 wind turbine had only produced 27p of electricity in three weeks (News last week). An email sent to Large prior to installation also questions the height of the turbine.'We also stated that we did not consider that the 6.5m mast specified by Mr Large would be adequate in this situation and that even an 11m mast may not be tall enough to overcome the effects of obstacles,' said a Proven Energy spokesman.'We very specifically explained these concerns by both email and by telephone to Mr Large and gave him the opportunity to withdraw his order, which he declined to do,' he said.Large refuted the idea that his site was not windy enough, 'I've had my roof blown off twice so I know how good the wind is here', he said.Sundog managing director Martin Cotterell told NCE that urban conditions are not always appropriate for micrgeneration with wind turbines because turbulence makes it difficult for the turbines to harness the wind.A spokesman for Proven Energy added 'Our turbines perform exceptionally well in windy conditions such as the North Sea, the Arctic and the Saudi Arabian desert however should there be an obstacle or several wind shielding obstacles in the way of wind flow then we cannot guarantee that output will be maximised.'Large reiterated his theory that the fault lies in the transfer of power from the turbine to the national grid. In an effort to improve the turbines performance and end the row Large has purchased an anemometer to measure the wind speeds on the site.