Ligne 150 KV - (Lintin-Saint-Victor)

### Nombre de pylônes:

158 à 3 Triangles (gros) + 36 à 4 Triangles (gros) + 23 Portiques (gros) + 2 x 6 Triangles (gros)

## Détails:

### Date de suppression:

Tronçon entre Le Garric-Réquista: entre 1981 et 1983 - Ligne Réquista-Saint-Victor: décembre 2021

## Présentation:

La ligne à haute tension reliant Le Garric à Saint Victor et Melvieu est une ancienne ligne de 150 kilovolts datant de la première moitié du XXème. Partiellement supprimée dans les années 1980, la ligne a entièrement disparu du paysage suite à la dépose en 2022 de la section restante entre Requista et Saint-Victor.

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class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Victor\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Victor\n","link":"","lat":44.05113637323399,"lon":2.8054402622854013,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ELintin\n\u003C/p\u003E\u003C/div\u003E","title":"Lintin\n","link":"","lat":44.0086653535114,"lon":2.144595639942054,"icon":""}]}
## Historique:

Cette ligne faisait partie de la grande continuité reliant Portet sur Garonne à Saint Victor en 150 KV construit en 1927. Elle fut réalisée par la compagnie du Midi pour  initialement raccorder son réseau électrique aux usines hydrauliques du Tarn (notamment celle du Pinet, construite entre 1926 et 1929). Sa gestion fut confiée à l’UPEPO (Union des Producteurs d’Electricité des Pyrénées Occidentales), filiale créée en 1922 par le « MIDI » pour transporter l’énergie produite dans les vallées Pyrénéennes et ainsi servir entre autre à l’électrification d’une partie de son réseau ferré.

Le deuxième objectif de la ligne était de former la première interconnexion à grande capacité entre les Pyrénées et le Massif Central, qui sera atteint après la mise en service des lignes Godin – Saint-Victor en 1932 puis Godin-Rueyres en 1938. Cette interconnexion fut envisagée très tôt par l’UPEPO pour bénéficier du fait que les régimes hydrauliques de ces deux régions se compensent efficacement.

La ligne servit également à fournir du courant pour la voie ferrée Béziers-Neussargues qui fut électrifiée entre 1931 et 1932 (Une liaison à 60 KV fut construite entre le poste d’interconnexion de Saint-Victor et la sous-station d’Aguessac afin d’amener l’énergie à la ligne haute tension alimentant la caténaire).

La ligne devient obsolète au début des années 1980 suite au développement du réseau 225 KV dans la région. Elle est entièrement déclassée entre 1980 et 1983 et déposée de Lintin (Le Garric) à Requista. Le tronçon restant est alors réutilisé pour créer une ligne 63 KV Requista – Saint-Victor.

La suppression de cette dernière courant 2022 entraine la disparition totale de la ligne construite par la compagnie du Midi.

## Description du tracé:

* La ligne débutait au poste du Garric et se dirigeait vers la N88.
* Après être passé sur la route, elle traverse plusieurs collines et passe au nord de Valence d'Albigeois.
* Après être passé sur la D903, elle traversait un grand vallon et passait nettement dans l’Aveyron.
* Arrivé à Réquista, elle se poursuit en direction du nord-est.
* Au niveau de Lestrade et Thouels, la ligne bifurque vers l'est et passe sur le Tarn.
* Elle arrive sur un des plateaux de Saint Victor et Melvieu ou se trouve le poste électrique et s'arrête.

## Tronçon récupéré pour la création d'une nouvelle ligne:

1. Ligne 63 KV - (Réquista-Saint-Victor).

## Liens :

Bibliographie sur l'UPEPO :

* *Union des Producteurs d’Electricité des Pyrénées Occidentales*: https://www.persee.fr/doc/jhydr\_0000-0002\_1925\_act\_3\_2\_3224
* *L’UPEPO, 1922-1946 : genèse et logiques de l’interconnexion :* https://www.persee.fr/doc/helec\_0758-7171\_1985\_num\_6\_1\_948
* *La distribution de l'énergie électrique Pyrénéenne dans la région Toulousaine* : https://www.persee.fr/doc/rga\_0035-1121\_1932\_num\_20\_1\_5300