Ligne 225 KV - (Godin - Saint-Victor)

### Nombre de pylônes:

234 supports :228 pylônes à triangle + 2 chats + 1 nappe + 1 drapeau + 1 pylône à 6 triangles

## Présentation :

La ligne Godin - Saint-Victor est une ligne électrique à 225 000 volts qui relie le poste d'interconnexion de Saint-Victor-et-Melvieu à celui de Godin, près de Decazeville. Elle fait partie du premier réseau d'interconnexion établi dans les années 1930 entre les Pyrénées, le Massif Central et la vallée du Rhône.

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class=\"mw-parser-output\"\u003E\u003Cp\u003EGodin\n\u003C/p\u003E\u003C/div\u003E","title":"Godin\n","link":"","lat":44.54007732535904,"lon":2.2278093749593353,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Victor\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Victor\n","link":"","lat":44.05124203575504,"lon":2.8033471276594746,"icon":""}]}
## Historique :

Cette ligne fut construite par la TERA (Transport d'Energie Rouergue Auvergne), compagnie créée en 1930 pour réaliser l'interconnexion entre le Sud-Ouest et le Massif central. Exploitée initialement à 150 KV, elle permettait notamment de renforcer l'alimentation du bassin minier de Decazeville grâce aux usines hydroélectriques du Tarn (notamment le barrage du Pinet, achevé en 1929).

Avec la mise en service des lignes Saint-Victor - Bagnols la même année puis Godin-Rueyres quelques temps plus tard, le poste de Saint-Victor-et-Melvieu devint le point de jonction entre les réseaux des Pyrénées, du massif central et de la vallée du Rhône. Il reste aujourd'hui le poste électrique le plus important du massif central méridional.

La tension est réhaussée à 225 000 volts dans les années 1950, suite au prolongement de la ligne Saint-Victor - Bagnols vers Bollène et son passage à 225 KV.

La ligne a été rénovée en 2017, les travaux consistant à remplacer les conducteurs, les isolateurs ainsi que certains pylônes.

## Description du tracé :

* Depuis le poste de Godin à Aubin, la ligne monte sur un plateau et se dirige vers le Sud. Elle croise la D5 puis longe la D994 jusqu'à Rignac.
* Après Rignac, elle franchit l'Aveyron puis bifurque vers le Sud-Est au niveau de Colombiès. Elle passe au Nord de Baraqueville et traverse ensuite la N88, à noter que la forme des pylônes change à partir d'ici.
* La ligne tourne légèrement avant de franchir le Viaur puis suit plus ou moins le tracé de la D25 jusqu'au lac de Villefranche de Panat.
* Elle traverse le lac puis continue dans la même direction durant 8 km. Elle tourne à nouveau légèrement au niveau de la conduite forcé du barrage du Pouget.
* La ligne franchit ensuite les gorges du Tarn puis parcourt encore 2 km avant d'entrer dans le poste de Saint-Victor.

## Note :

Les pylônes n'ont pas la même forme sur les tronçon Aubin-Baraqueville et Baraqueville - Saint-Victor, ce qui laisserait supposer que la ligne a été construite en deux temps (un document évoque d'ailleurs une mise en service partielle en 1932 et totale en 1934) . Ce changement s'effectue au niveau de la N88 où il y avait jadis un portique. Cependant aucune source n'a été trouvé stipulant qu'il aurait pu exister un poste électrique dans les environs...