Global transmission line length was estimated to have reached 5,767,158Ckm by the end of 2023 and is forecasted to grow to 6,669,519Ckm by 2028. Spain had 45,222Ckm of line length in 2023 and this is expected to rise to 46,759Ckm by 2028. Listed below are the five largest transmission projects by line length in Spain, according to GlobalData’s power database. GlobalData uses proprietary data and analytics to provide a complete picture of the global transmission line segment. Buy the latest transmission line project profiles here.

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1. Castellon – La Plana Line

The Castellon – La Plana Line is a 400kV overhead line with a length of 3Ckm running from Castellon to La Plana. The project is planned and is expected to be commissioned in 2026.

The Castellon – La Plana Line is an overhead line. through 32510 circuit cable. Buy the profile here.

2. Garon Barcina – Grijota Line

The Garon Barcina – Grijota Line is a 400kV overhead line with a length of 140Ckm running from Garona to Grijota. The project is under construction and is expected to be commissioned in 2024.

The Garon Barcina – Grijota Line is an overhead line that will be operated by Redeia Corporacion. The line will carry alternating current (AC) through single circuit cable. Buy the profile here.

3. Guenes – Itxaso Line

The Guenes – Itxaso Line is a 400kV overhead line with a length of 74Ckm running from Guenes to Itxaso. The project is planned and is expected to be commissioned in 2025.

The Guenes – Itxaso Line is an overhead line. through 32510 circuit cable. Buy the profile here.

4. La Plana – Morella Line

The La Plana – Morella Line is a 400kV overhead line with a length of 86Ckm running from La Plana to Morella. The project is planned and is expected to be commissioned in 2025.

The La Plana – Morella Line is an overhead line. through 32510 circuit cable. Buy the profile here.

5. Sagrajas – Rio Caya Line

The Sagrajas – Rio Caya Line is a 400kV overhead line with a length of 24Ckm running from Sagrajas to Rio Caya. The project is planned and is expected to be commissioned in 2025.

The Sagrajas – Rio Caya Line is an overhead line. through 32510 circuit cable. Buy the profile here.

For more details on the latest transmission line projects, buy the project profiles here.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData’s Power Intelligence Center provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide, while its capacity and generation database provides historic and forecast power generation and generation capacity by technology as well as consumption, imports and exports for over 170 countries.