For the Estinnes development, operated by Dutch-Belgian company WindVision, promises to have a big impact on the future of onshore wind power.

The development near the city of Mons in Wallonia is Belgium's first utility-scale wind farm and home to the largest turbines turning commercially on the planet — Enercon's E-126/7.5MWs.

Final operational tests are being run on the last pair commissioned, but the development should flow some 187GWh a year when producing at full throttle, enough to supply 50,000 homes.

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