Use of GIS technology significantly reduces space needs and facilitates the landscape integration of the substation.
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The construction works for the new 220/66 kilovolt (kV) El Sabinal substation and its associated connecting power lines are at an advanced stage of execution. Construction earthworks have been completed, civil works are being finalised and electromechanical assembly work is in process.
The 220/66 kV El Sabinal substation, approved in the Extraordinary Plan of the Council of Ministers of 28 December 2012, will reduce the concentration of existing electricity connections next to the Jinámar power station and will strengthen and guarantee the security of supply in the north zone and metropolitan area of Las Palmas de Gran Canaria.
The substation will have a 220 kV switchyard and also one of 66 kV, with a total of 15 substation bays, which will house not only the lines that currently connect to Jinámar but also two 125 MVA transformer units. Furthermore, reserve bays have been provided in order to gradually reduce the concentration of lines that currently connect to said power station.
The substation has two main buildings that house all the high-voltage installations, based on indoor GIS technology, and their electrical connections. The use of GIS technology significantly reduces the space needs and facilitates the landscape integration of the substation. The use of this technology fits Red Eléctrica’s commitment to ensure safe and reliable electricity supply. The control and communications room and auxiliary services are also housed in the buildings.
This substation and the new double circuit 220 kV line that will connect El Sabinal with the current Jinámar-Barranco de Tirajana line, plus four 66 kV connection lines, represent a major reconfiguration of the transmission grid network of Jinámar.
The execution of this project will mean that it will no longer be necessary for the existing power lines to cross over the motorway at the entrance to the capital, bringing more security to the motorway, improving the present conditions of maintenance of the lines and the visual and landscape impact of one of the main entrances of the city.