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Energethique » Blog Archive » Le petit éolien a le vent en poupe

Le petit éolien a le vent en poupe

Le terme petit éolien, désigne les éoliennes dont le mât est compris entre 10 et 35 mètres de haut. Les puissances rencontrées vont de 1 à 25 kW, ce qui correspond à la louche à une production à 1,5 à 50 MWh, en sachant qu’un foyer moyen consomme entre 3 et 5 MWh par an. On rencontre dans le petit éolien aussi bien des éoliennes à axe (l’axe en question est l’axe de rotation de l’éolienne) horizontal, ce sont celles qu’on est habitués à voir dans nos campagnes miniaturisées (généralement, dans nos campagnes on rencontre des éoliennes d’une puissance comprise entre 1 et 2MW électriques), que des éoliennes à axe vertical, moins répandues car ayant un rendement plus faible, mais présentant des plages de fonctionnement différentes, elles ont l’avantage de produire par vent faible.

Et bien ces petites éoliennes rencontrent tout doucement le succès en France et aux USA où sont respectivement installées 650 et 10 000 d’entre elles. Le frein à un plus grand succès ? Le photovoltaïque bien sûr, que certains trouvent plus esthétique, moins dangereux et surtout silencieux (on ne parlera pas d’effet stroboscopique de l’éolienne pour de si petites tailles).

Honeywell Windgate wind turbine

Les projets d’éoliennes urbaines ne manquent pas, je vous avais déjà parlé d’une éolienne à installer sur le toit des immeubles et d’une éolienne « Do it Yourself », je profite de cet article pour vous présenter l’éolienne HoneyWell Windgate de chez EarthTronics, mesurant 1.8m et pesant 43 kg, proposant une solution tout en un (onduleur et panneau de commande compris) pour un prix abordable, 4500 $ tout de même, mais quand on regarde un peu les alternatives, c’est très correct. Ils promettent une production d’environ 2 MWh par an, ce qui est aussi un très bon résultat si cela se vérifie en réalité (ça fait déjà 2 certificats verts à minimum 65€/an + 2000*0.18€ d’économie d’électricité soit 490€/an).

Cela permettrait de réduire fortement l’investissement des personnes désirant produire leur propre électricité. Alors, après avoir lu tout ça, l’éolienne domestique, pour ou contre ?

L’article sur le petit éolien transmis par Bonfire.
L’article sur l’éolienne Honeywell Windgate.

Parle de ce post à tes amis !


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