A Tender Call for Biscay Gulf Interconnector Seabed Survey
has issued a tender call for geophysical and geotechnical survey services
in the Biscay Gulf. The investigations would be carried out to determine
the detailed seabed conditions and stratigraphy with detailed characterization
of materials in surface and sub-surface soil layers for the installation
of submarine cables.
Gulf interconnector between
Spain and France is a joint project by Réseau Transport d’Electricité
(RTE) and Red Eléctica de España (REE), developed by Inelfe on the behalf
of the two TSOs. The project is supported by the European Union’s Connecting
Europe Facility (CEF) to enhance secure, competitive and sustainable energy.
comprises a 2,000 MW link. This link is composed of 2 circuits, rated 1,000
MW each for DC operating voltage of 400 kV, comprised of 4 power cables,
4 converter station terminals located close to the 400 kV Cubnezais substation
(France) and the Gatica substation (Spain).
Previously, a study performed by RTE and REE concluded soil instability
very close to the Capbreton canyon, in French water. However, the issue
did not have any impact over the financial viability of the project. The
two TSOs conducted additional studies and analysis to determine the most
appropriate technical solution.
The deadline for the receipt of tenders or requests to participate is 6th
April 2020. The project is expected to be commissioned in 2025.
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