nzx wtl headquarters christchurch new zealand key people geoff henderson products wind turbines website http www.windflow.co.nz windflow s prototype wind turbine installed at gebbies pass . windflow technology is a company based in christchurch new zealand known for its unique wind turbine gearbox design . it was listed on the new zealand stock exchange on 2 december 2003 . 1 in october 2008 mighty river power purchased a 19.95 % share of windflow technology . 2 3 the operation of a windflow technology turbine installed at gebbies pass near christchurch encountered opposition from local residents who raised concerns about noise . the neighbouring valley was very sheltered and therefore had very little background sound . because of this windflow offered to comply with low sound levels of 30 dba 10 dba lower than the district council s usual requirement of 40 dba . however sound levels were at 35 dba so windflow modified the gearbox which reduced the turbine s sound . sound levels were again measured and this time be within the requirement of its resource consent . 4 5 windflow technology set up new zealand windfarms to own and run the te rere hau wind farm near palmerston north . initially this was wholly owned but now has been completely sold off . 6 7 windflow technology supplied the wind turbines for this wind farm 8 and are also contracted to supply turbines for mighty river power s proposed long gully wind farm . the company achieved iso 9001 2000 certification for the design and production of its windflow 500 wind turbine in 2008 . 9 in september 2010 the windflow 500 gained class 1a of the international electrotechnical commission iec design standard iec 61400 1 edition 3 through lloyd s register . 10 in september 2011 windflow technology signed a contract to install a windflow 500 turbine on the island of shetland 11 in march 2012 the company signed a licensing agreement with a subsidiary of large us company general dynamics gd satcom who will manufacture and sell the windflow designed 500 kw turbines to customers in north and south america africa and u.s. territories and military bases worldwide . 12 gd energy solutions is promoting the original class 1 500 kw turbine as the gd33 500 and a newly developed class 2 500 kw turbine as the gd45 500 . 13 in february 2013 windflow technology installed a 500 kw turbine on the windy island of orkney its first exported turbine which is expected to generate over gbp350 000 per year through the uk feed in tariff which is 17.5 p kwh for 500 kw turbines . 14 windflow uk has wrapped up installation of its 100th 500 kw wind turbine . the twin bladed machine which was designed and manufactured in new zealand by parent company windflow technology ltd was erected at new holland farm on the orkney mainland in scotland . 15 for four years the north harris trust has been working with windflow technology ltd who manufacture a unique two bladed machine that can deal with the turbulent wind conditions found amongst the north harris hills . the first of three machines arrived from new zealand in late 2014 and was lifted into place . 16 1 may 2015 windflow technology ltd announced the installation and first operation of the prototype 45 500 wind turbine at a site in mitchell county texas usa . the turbine was installed to supply power for the mitchell county desalination plant which will supplement water supplies to areas in the county not covered by municipal water utilities . 17 see also edit wind power in new zealand references edit windflow technology limited ordinary shares wtl . new zealand stock exchange . retrieved 19 november 2009 . mighty river power buys into windflow technology . market announcement windflow technology . 16 october 2008 . windflow attracts mighty river power press release . new zealand stock exchange . 30 june 2008 . retrieved 19 september 2008 . windflow gets ok for christchurch turbine . the press . 2004 10 09 . access date requires url help windflow sound solution achieved press release . windflow technology . 15 july 2004 . windflow interim report to 31 december 2010 market announcement windflow technology 11 april 2011 . law tina 2008 07 01 . generator buys windflow stake . the press . access date requires url help wind bridges energy shortfall electrical automation august september 2007 . windflow technology gains iso press release windflow technology 27 june 2008 . windflow turbine wins ok . the timaru herald . 16 october 2010 . businessdesk 23 september 2011 . windflow technology signs first uk turbine deal stuff.co.nz . stuff . retrieved 23 september 2011 . http www.windflow.co.nz news media releases 2012 windflow technology and general dynamics satcom technologies sign licensing agreement for development and marketing of turbine technologies http www.gdenergysolutions.com http www.windflow.co.uk links and news windflow turbine generates revenue in scotland http renews.biz 77742 windflow notches a century http www.north harris.org 2014 12 a long trip from new zealand ends in the harris hills https www.nzx.com companies wtl announcements 2637 external links edit windflow technology ltd v t e wind power wind power environmental impact high altitude history land vehicles offshore turbines on public display windmill wind turbines aerodynamics airborne crosswind kite darrieus design floating savonius small unconventional vertical axis wind power industry consulting companies farm management manufacturers software windmade wind farms community owned farms by country offshore farms by country onshore farms concepts betz s law capacity factor eroei forecasting grid energy storage hvdc intermittency variability laddermill net energy gain resource assessment storage subsidies virtual power plant wind hybrid power systems wind profile power law retrieved from https en.wikipedia.org w index.php title windflow technology & oldid 733421048 categories companies based in christchurchcompanies listed on the new zealand stock exchangemanufacturing companies of new zealandwind power in new zealandwind turbine manufacturersrenewable energy companiesnew zealand brandshidden categories pages using citations with accessdate and no urluse dmy dates from october 2011 navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 7 august 2016 at 18 11 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy 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