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{"id":1475,"date":"2010-08-24T08:01:09","date_gmt":"2010-08-24T06:01:09","guid":{"rendered":"https:\/\/energethique.be\/?p=1475"},"modified":"2010-08-24T08:01:09","modified_gmt":"2010-08-24T06:01:09","slug":"leffet-pervers-de-lelectricite-verte","status":"publish","type":"post","link":"https:\/\/energethique.be\/2010\/leffet-pervers-de-lelectricite-verte\/","title":{"rendered":"L’effet pervers de l’\u00e9lectricit\u00e9 verte"},"content":{"rendered":"

L’\u00e9lectricit\u00e9 verte qu’elle provienne de l’\u00e9olien ou du photovolta\u00efque a le vent en poupe et est tr\u00e8s largement subsidi\u00e9e par les \u00e9tats.<\/p>\n

\"\"<\/p>\n

Cette subsidiation n’est pas sans avoir quelques effets absurdes, ainsi en Allemagne est apparu plusieurs fois le ph\u00e9nom\u00e8ne de prix n\u00e9gatifs ; ce qui signifie que l’on est pay\u00e9 pour acheter de l’\u00e9lectricit\u00e9 !<\/p>\n

On a vu dans la nuit du 3 au 4 octobre 2009 le prix du MWh atteindre -500\u20ac alors qu’habituellement il oscille autour des +40\u20ac.<\/p>\n

Pour faire court c’est le distributeur d’\u00e9lectricit\u00e9 qui s’est vu contraint de payer l’acheteur pour parvenir \u00e0 \u00e9couler sa marchandise … stupide n’est ce pas ?<\/p>\n

Ce co\u00fbt de -500\u20ac le MWh est bien entendu un record mais sans en atteindre de tel sommet ce ph\u00e9nom\u00e8ne s’est reproduit pr\u00e8s de 25 fois en 2009 et 4 fois cette ann\u00e9e.<\/p>\n

De plus pour en arriver l\u00e0 il faut la conjonction de deux ph\u00e9nom\u00e8nes :<\/p>\n

– une faible demande<\/p>\n

– une production verte \u00e0 pleine capacit\u00e9 (vents forts, ensoleillement maximal)<\/p>\n

Il est \u00e0 noter qu’en Allemagne, comme dans bon nombre de nos pays, les \u00e9nergies renouvelables sont tr\u00e8s largement subsidi\u00e9es et pl\u00e9biscit\u00e9es.<\/p>\n

En clair l’\u00e9lectricit\u00e9 issue de ces fili\u00e8res b\u00e9n\u00e9ficie d’une priorit\u00e9 pour \u00eatre inject\u00e9e et les revendeurs d’\u00e9lectricit\u00e9 sont oblig\u00e9s de l’acheter \u00e0 un prix garanti et ce quelle que soit la demande finale.<\/p>\n

Derri\u00e8re ce m\u00e9canisme les gouvernements tentent de favoriser l’\u00e9coulement de l’\u00e9lectricit\u00e9 \u00e0 ceux qui font l’effort d’investir dans ce secteur.<\/p>\n

Mais voil\u00e0 c’est le consommateur qui se retrouve avec une facture alourdie puisque la perte engendr\u00e9e par le prix n\u00e9gatif se retrouve in fine dans la facture des citoyens.<\/p>\n

Et alors \u00e0 qui profite le crime ?<\/p>\n

Car il y a bien entendu un gagnant malgr\u00e9 tout … pour le voir il faut se tourner vers les propri\u00e9taires de barrages hydraulique.<\/p>\n

Ceux ci se font payer pour utiliser de l’\u00e9lectricit\u00e9 avec laquelle ils font tourner les pompes qui remplissent au maximum ces barrages.<\/p>\n

Une fois le prix redevenu \u00ab\u00a0normal\u00a0\u00bb ils ne leur restent plus qu’\u00e0 rouvrir les vannes et \u00e0 produire une \u00e9nergie gratuite pour eux … qu’ils feront payer \u00e0 prix d’or !<\/p>\n

Que retenir de cette situation ?<\/p>\n

Tout d’abord avec l’engouement des \u00e9nergies renouvelables ce genre de situation risque de se reproduire de plus en plus fr\u00e9quemment si on y prend garde.<\/p>\n

Ensuite que ce ph\u00e9nom\u00e8ne de prix n\u00e9gatif est un plaidoyer des d\u00e9fenseurs des \u00e9nergies conventionnelles et surtout des centrales nucl\u00e9aires.<\/p>\n

Pour terminer il faut bien comprendre que le vent, magnifique pourvoyeur d’\u00e9nergie verte, peut d’un jour \u00e0 l’autre tomber de 0% \u00e0 \u00ab\u00a0plus qu’il n’en faut\u00a0\u00bb\u00a0 en terme de production.<\/p>\n

Il faut donc y adosser des centrales conventionnelle pour supporter les jours de carence et cerise sur le g\u00e2teau il serait bon de trouver le moyen de stocker une partie de cette \u00e9lectricit\u00e9 les jours de surproduction.<\/p>\n

Bien entendu on pourrait arguer du fait qu’il suffirait de ralentir, voir d’arr\u00eater certaines centrales conventionnelles lorsque le prix de l’\u00e9lectricit\u00e9 devient n\u00e9gatif mais attention ceci n’est pas sans inconv\u00e9nient.<\/p>\n

D’une part on peut tr\u00e8s bien basculer d’un exc\u00e8s vers un autre et se retrouver en quelques heures en d\u00e9ficience et red\u00e9marrer ces centrales co\u00fbte tr\u00e8s cher … certains pr\u00e9f\u00e8rent donc produire en pure perte !<\/p>\n

Source: AFP<\/p>\n","protected":false},"excerpt":{"rendered":"

L’\u00e9lectricit\u00e9 verte qu’elle provienne de l’\u00e9olien ou du photovolta\u00efque a le vent en poupe et est tr\u00e8s largement subsidi\u00e9e par les \u00e9tats.<\/p>\n<\/p>\n

Cette subsidiation n’est pas sans avoir quelques effets absurdes, ainsi en Allemagne est apparu plusieurs fois le ph\u00e9nom\u00e8ne de prix n\u00e9gatifs ; ce qui signifie que l’on est pay\u00e9 pour acheter de l’\u00e9lectricit\u00e9 !<\/p>\n

On a vu dans la nuit du 3 au 4 octobre 2009 le prix du MWh atteindre -500\u20ac alors qu’habituellement il oscille autour des +40\u20ac.<\/p>\n

Pour faire […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[1],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pBGwz-nN","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1475"}],"collection":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/comments?post=1475"}],"version-history":[{"count":0,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1475\/revisions"}],"wp:attachment":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/media?parent=1475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/categories?post=1475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/tags?post=1475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}