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. The US had 695,385Ckm of line length in 2023 and this is expected to rise to 702,462Ckm by 2028. Listed below are the five largest transmission projects by line length in the US, 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. Lakefield Jct – DC Station Line
The Lakefield Jct – DC Station Line is a 800kV overheadLakefield Junction to DC Station. The project is planned and is expected to be commissioned in 2025.
The Lakefield Jct – DC Station Line is an overhead line that will be operated by MidAmerican Energy. The line will carry alternating current (AC) through double circuit cable. Buy the profile here.
2. Adair County – Hills Line
The Adair County – Hills Line is a 765kV overhead line with a length of 410.38Ckm running from Adair County to Hills. The project is proposed and is expected to be commissioned in 2029.
The Adair County – Hills Line is an overhead line that will be operated by MidAmerican Energy. The line will carry alternating current (AC) through double circuit cable. Buy the profile here.
3. Louisa – Adair County Line
The Louisa – Adair County Line is a 765kV overhead line with a length of 313.82Ckm running from Louisa to Adair County. The project is under construction and is expected to be commissioned in 2024.
The Louisa – Adair County Line is an overhead line that will be operated by MidAmerican Energy. The line will carry alternating current (AC) through double circuit cable. Buy the profile here.
4. Pocahontas – Woodbury Line
The Pocahontas – Woodbury Line is a 765kV overhead line with a length of 136.79Ckm running from Pocahontas County to Woodbury County (Raun). The project is planned and is expected to be commissioned in 2024.
The Pocahontas – Woodbury Line is an overhead line. through 2558 circuit cable. Buy the profile here.
5. Reynolds – Sullivan Line
The Reynolds – Sullivan Line is a 765kV overhead line with a length of 193.12Ckm running from New Reynolds Substation, Meadows Lake to Sullivan County. The project is planned and is expected to be commissioned in 2024.
The Reynolds – Sullivan Line is an overhead line that will be operated by American Electric Power. The line will carry alternating current (AC) through double 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.
