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Gas Transmission
Transmission Network
Gas Pipelines
High pressure gas pipelines are channels for the transmission of gas made of steel tubes with high elasticity levels, whose junctions are all welded.
At the beginning of 2013, Enagás gas pipeline network was 10,076 km long, composed of pipes designed with maximum operating pressures of 72 and 80 bar, after the acquisition of 90% of Naturgás Energía Transporte by Enagás Transporte. This company is now called Enagás Transporte del Norte, S.A.U.
Gas pipelines are coated with an exterior polyethylene sheet which provides passive protection against corrosion, avoiding direct contact of the steel with the ground.
The maximum pressure that backbone network pipelines support is 72 or 80 bar (depending on the design pressure of each section) and the minimum is 30 bar. The only exceptions are the underwater sections, such as the Almería international connection or the pipeline that connects Denia to the Balearic Islands, which have a design pressure of 220 bar.
More information about gas pipelines is available in Projects and New Infrastructures area.
The following table shows the most significant gas pipelines and sections:
| Pipeline | Section | Start Date | Diameter (inches) | Design Pressure | Length(Km) |
|---|---|---|---|---|---|
| Al Ándalus | Tarifa-Córdoba | 1996-2008 | 48"-36"-22"-16"-12"-10"-6" | 80-155 | 274.49 |
| Córdoba-Jaén-Granada | 1996-2001 | 16"-12"-10" | 80 | 177.10 | |
| Puente Genil-Málaga | 2001-2006 | 20"-16"-8" | 80 | 111.40 | |
| Granada-Motril | 2001 | 10" | 80 | 76.37 | |
| Málaga-Estepona | 2002-2005 | 16"-10" | 80 | 80.69 | |
| Branches | - | - | - | 164.03 | |
| TOTAL | 884.08 | ||||
| Algete-Yela | Algete-Yela | 2011 | 26" | 80 | 88.69 |
| TOTAL | 88.69 | ||||
| Almería-Lorca-Chinchilla | Almería-Lorca | 2009 | 42" | 80 | 127.45 |
| Lorca Connection | 2009 | 20" | 80 | 40.21 | |
| Lorca-Chinchilla | 2009 | 42" | 80 | 168.03 | |
| TOTAL | 335.69 | ||||
| Baleares | Denia-Sant Antoni de Portmany (Ibiza) | 2009 | 20" | 220-225 | 123.50 |
| S. Antoni de Portmany (Ibiza)-S. Juan de Dios (Mallorca) | 2009 | 20" | 220 | 145.80 | |
| Montesa-Denia | 2008-2009 | 24" | 80 | 65.45 | |
| TOTAL | 334.75 | ||||
| Barcelona-Bilbao-Valencia | Barcelona Plant - Banyeres | 1979-2005 | 24" | 72 | 69.09 |
| Duplication Barcelona - Banyeres | 2008 | 36" | 80 | 71.80 | |
| Banyeres - Reus - Tivissa | 1979-1980 | 24" | 72 | 89.63 | |
| Duplication Banyeres-Reus-Tivissa | 2005 | 26" | 72 | 90.18 | |
| Martorell-Figueres | 2012 | 36" | 80 | 93.93 | |
| Serinya-Figueres | 2009 | 10" | 59 | 22.83 | |
| Reversible pipeline to Besós | 2009 | 26" | 80 | 23.14 | |
| Sea-line Barcelona Port-Besós | 1974-2009 | 20" | 45-80 | 13.10 | |
| Castor Branch | - | 30" | 72 | 11,91 | |
| Tivissa-Paterna | 1980-2003 | 26" | 72 | 225.85 | |
| Duplication Tivissa-Paterna | 2011-2012 | 40" | 80 | 162.48 | |
| Tivissa-Castelnou | 1979-2005 | 30"-26" | 72 | 91.28 | |
| Duplication Tivissa-Castelnou | 2010 | 26" | 80 | 90.89 | |
| Castellnou-Villar de Arnedo | 1979-2005 | 30"-26" | 72 | 202,47 | |
| Villar de Arnedo-Haro | 1979-2005 | 30"-26" | 72 | 75.91 | |
| Haro-Vergara | 1980-2006 | 30" | 72 | 87.83 | |
| Vergara-Arrigorriaga | 1984-2002 | 24" | 72 | 49.33 | |
| Vergara-Irún | 1984-1990 | 16" | 72 | 89.00 | |
| Arrigorriaga-Barakaldo-Santurce | 1987-1988 | 16" | 72 | 22.38 | |
| Duplition Vergara-Irún | 2007-2010 | 26"-24"-16" | 72-80 | 91.93 | |
| Arrigorriaga-Santurce Extension | 2002 | 30" | 72 | 24.90 | |
| Santurce-Ziérbana | 2006 | 30"-8" | 72 | 6.02 | |
| Bermeo-Lemona | 1986-2003 | 16" | 72 | 32.47 | |
| Lemona-Haro | 2009 | 26"-20" | 80 | 93.21 | |
| Lemona-Boroa | 2004 | 16" | 72 | 5.40 | |
| Castejón | 2002 | 20"-12" | 80 | 13.01 | |
| Branches | - | - | - | 267.28 | |
| TOTAL | 2,117.25 | ||||
| Noroeste - Cantábrico | Tuy-Villalba | 1998-2001 | 20"-14"-8" | 80 | 212.83 |
| Pontevedra-Orense | 1998 | 10" | 72-80 | 57.00 | |
| Villalba-Llanera | 1998 | 20" | 80 | 182.71 | |
| Llanera-Villapresente | 1988-2003 | 12" | 72 | 157.60 | |
| Villapresente-Burgos | 1988-2003 | 16" | 72 | 140.40 | |
| Siero-Villaviciosa | 2011 | 10" | 59 | 20.40 | |
| Corbera-Tamón | 2010 | 16" | 80 | 5.30 | |
| Soto de Ribera | 2008 | 12" | 80 | 1.73 | |
| Branches | - | - | - | 127.93 | |
| TOTAL | 905.90 | ||||
| Córdoba-Badajoz | Córdoba - Almendralejo | 1996-2002 | 32" | 80 | 251.18 |
| TOTAL | 251.18 | ||||
| Eje Levante | Paterna-Montesa | 1995-1996 | 20" | 72 | 89.83 |
| Duplication Paterna-Montesa | 2001 | 24" | 72 | 91.77 | |
| Montesa-Orihuela | 1997 | 30" | 72 | 114.20 | |
| Orihuela-Cartagena | 1997-2005 | 30"-10" | 72 | 72.14 | |
| Cartagena-Lorca | 2002-2009 | 20"-10" | 72-80 | 61.55 | |
| Orihuela-Murcia | - | 30" | 72 | 25.60 | |
| Totana-Murcia | 2005 | 10" | 72 | 53.33 | |
| Castellón-Onda-Teruel | 2006 | 20" | 80 | 9.67 | |
| Ramales varios | - | - | - | 22.65 | |
| TOTAL | 540.74 | ||||
| Eje Transversal Alcázar-Montesa | Alcázar de S. Juan-Villarrobledo | 2008 | 36" | 80 | 83.93 |
| Villarrobledo-Algete | 2008 | 36" | 80 | 73.00 | |
| Albatece-Montesa | 2008 | 36" | 80 | 108.80 | |
| TOTAL | 265.73 | ||||
| Haro-Burgos-Madrid | Haro-Villamayor | 1986-1987 | 26" | 72 | 113.55 |
| Villamayor-Algete | 1987-1990 | 20"-16"-12" | 72 | 181.75 | |
| Zamora-Aranda | 1990-1998 | 20" | 72-80 | 165.68 | |
| Aranda-Soria | 2001-2009 | 12"-10"-6" | 72 | 125.95 | |
| Lerma-Palencia-Valladolid | 1987-2003 | 12"-8"-6"-4" | 72-80 | 96.26 | |
| Sto. Tome del Puerto-Palazuelos de Eresma | 1998 | 8" | 72 | 51.10 | |
| Collado Hermoso-Mojados | 2003 | 12" | 72 | 15.73 | |
| Soria-Agreda | 2006 | 12" | 59 | 54.93 | |
| Branches | - | - | - | 87.63 | |
| TOTAL | 892.58 | ||||
| Huelva-Alcázar-Madrid | Huelva-Sevilla | 2004-2005 | 32" | 80 | 88.45 |
| Sevilla-Córdoba | 2004-2005 | 32" | 80 | 156.84 | |
| Córdoba-Alcazar de San Juan | 2004 | 32" | 80 | 255.33 | |
| Alcázar de San Juan-Zarza de Tajo | 2003-2004 | 32" | 80 | 74.85 | |
| Zarza de Tajo-Cuenca | 2002-2003 | 12"-8" | 80 | 109.88 | |
| Zarza de Tajo-Getaje | 2003-2004 | 32" | 80 | 62.85 | |
| Madrid-Algete-Getafe Semiring and duplication | 1987-2003 | 16"-26" | 72 | 78.31 | |
| Rivas-Loeches-Alcalá | 2001-2007 | 20"-12"-8" | 72 | 46.61 | |
| Southwest Semiring of Madrid (Algete-Villalba) | 2000-2008 | 26"-20"-16" | 72-80 | 141.50 | |
| TOTAL | 1,014.62 | ||||
| Huelva-Sevilla-Madrid | Huelva-Sevilla | 1988-2004 | 10"-16"-8"-6"-4" | 72 | 87.75 |
| Sevilla-Córdoba (Las Matillas) | 1991-2005 | 26" | 72 | 127.66 | |
| Córdoba-Río Guadalmer | - | 26" | 72 | 83.71 | |
| Almodóvar-Urda | - | 26" | 72 | 135.65 | |
| Urda-Pinto | - | 26" | 72 | 93.72 | |
| Pinto-Getafe | - | 26" | 72 | 9.88 | |
| Branches | - | - | - | 202.87 | |
| TOTAL | 741.24 | ||||
| Ruta de la Plata | Almendralejo-Cáceres | 1999 | 26" | 80 | 86.68 |
| Cáceres-Salamanca | 1999 | 26" | 80 | 192.31 | |
| Salamanca-Zamora | 1998 | 26" | 80 | 66.87 | |
| Zamora-Benavente-León | 1998 | 20" | 80 | 123.00 | |
| León-Oviedo | 1998-2000 | 20" | 72-80 | 128.32 | |
| Villamañán-Ponferrada | 2001 | 16" | 80 | 83.10 | |
| La Robla-Guardo | 2004 | 16"-12" | 59 | 74.49 | |
| Branches | - | - | - | 10.66 | |
| TOTAL | 765.43 | ||||
| Valle del Ebro | Serrablo-Zaragoza | 1983 | 20" | 35-72 | 246.97 |
| Castelnou-Tamarite | 2005 | 20" | 72 | 107.69 | |
| Larrau-Villar de Arnedo | 1990-2007 | 26"-14"-8" | 72-80 | 144.58 | |
| Calahorra-Pamplona | 1987-1990 | 8" | 72 | 62.87 | |
| Branches | - | - | - | 125.80 | |
| TOTAL | 687.91 | ||||
| Yela-Villar de Arnedo | Villar de Arnedo-Almazán | 2012 | 30" | 80 | 139.70 |
| Almazán-Yela | 2012 | 30" | 80 | 110.70 | |
| TOTAL | 250.40 |
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