Gas Insulated Lines (GIL): No integration in transmission grid planned yet

0511071 Gas Insulated Lines 27-10-2011 GIL technology has been around for years and can in highvoltage substations as well as high-voltage connections. At the moment, TenneT only uses GIL technology at highvoltage substations. Currently, a total of around 250 km of GIL connections have been installed around the world, mainly as short-distance, above-ground applications or in tunnels, with only 1 km below ground.

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