Ligne 60 KV - (Haut-de-Gan-Pau) - Piquage

## Présentation:

La ligne à haute tension reliant les sous stations d'Haut de Gan à Pau est une ligne électrique de conception ancienne, aujourd'hui hors tension et située dans le département des Pyrénées Atlantiques, en région Nouvelle Aquitaine. Elle effectuait deux piquages, l'un à Haut de Gan et l'autre à Pau.

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class=\"mw-parser-output\"\u003E\u003Cp\u003EPau (SNCF)\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EPiquage\n\u003C/p\u003E\u003C/div\u003E","title":"Pau (SNCF)\n","link":"","lat":43.28906758447334,"lon":-0.3600051794816639,"icon":""},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EHaut de Gan (SNCF)\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EPiquage\n\u003C/p\u003E\u003C/div\u003E","title":"Haut de Gan (SNCF)\n","link":"","lat":43.17651616158251,"lon":-0.428846675181791,"icon":""}]}
## Historique:

La voie ferrée entre Pau et Canfranc a été créée de 1881 à 1928. Les travaux d'électrification de cette dernière, et donc, de création de la ligne électrique n'ont cependant débuté qu'en 1927 pour une mise sous tension en 1928.

Dès 1962, la tension de la ligne est haussée à 63 000 volts.

En début d'année 1976, suite au remaniement du poste électrique de Jurançon, la ligne électrique y est raccordée et le tronçon jusqu'à la sous station de Pau est démonté (à l'exception des poteaux et de la caténaire). Les pylônes à 6 Triangles, au nord du Gave de Pau sont transformés en pylônes Nappe car ils supportent uniquement la ligne Lacq-Pau.

Entre la fin de l'année 1979 et 1981, la ligne électrique est réaménagée au niveau de la gare de Gan.

Entre la fin de l'année 1989 et 1991, quelques poteaux sont ajoutés afin de renforcer la ligne en réduisant l'espacement entre certains poteaux d'origine. Deux poteaux sont toutefois remplacés à la hauteur du lieu-dit Saba. Entre 1995 et 1996, la ligne est de nouveau modifiée entre la N134 (actuelle D934ᴬ) et Haut de Gan. Deux poteaux voient leur armement remplacé par une tête en Nappe voûte et deux autres poteaux sont remplacés par de nouveaux (ayant aussi la forme Nappe voûte).

En 2001, deux poteaux sont placés au niveau du viaduc de Gan afin de réduire les contraintes mécaniques supportés par les ouvrages d'origine.

Suite à la déviation de la N134, ainsi qu'aux réaménagements du réseaux routiers en 2003, la ligne électrique a subit quelques remplacements de pylônes notamment à Gan. En 2010, un poteau est remplacé au bord du chemin de Labau.

Début 2015, la sous station d'Haut de Gan est détruite, ce qui a pour effet de mettre hors tension la ligne électrique, qui toutefois est conservée.

## Futur:

Du fait de la vétusté de la ligne, elle risque d'être déposée à moyen terme.

## Description du tracé:

* La ligne débute sur les coteaux d'Haut de Gan et se met a suivre rapidement la voie ferrée qu'elle longe grosso modo juqu'au viaduc d'Haut de Gan où elle descendra dans la vallée avant de remonter sur le flan est de la vallée.
* Après avoir de nouveau rejoint la voie ferrée qu'elle suivait jusqu'à la gare de Pau, elle passe sous la ligne à 225 KV Marsillon-Pragnères, puis longe un peu la N134 avant de passer au-dessus (actuelle D934ᴬ). À la sortie de Gan, elle longera de nouveau la route avant de la croiser.
* Par la suite, elle suivra le Neez avant de passer à proximité du poste électrique de Jurançon.
* Elle finissait ensuite par traverser le Gave de Pau et se redirigera vers l'est, en double circuit avec la ligne Lacq-Pau, elle passait au sud de la Gare et remontait pour se raccorder à la sous station de Pau.

## Nouvelle tension:

1. Ligne 63 KV - (Haut-de-Gan-Pau) - Piquage.

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

1. Ligne 63 KV - (Haut-de-Gan-Jurançon) - Piquage