Global transmission line length was estimated to have reached 5,465,957Ckm, while the US had 682,812Ckm of line length by the end of 2021. 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.

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. Chisago – New North Dakota Line

The Chisago – New North Dakota Line is a 765kV overhead line with a length of 571.31Ckm running from Chisago County to North Dakota. The project is planned and is expected to be commissioned in 2023.

The Chisago – New North Dakota Line is an overhead line that will be operated by Great River Energy. The line will carry alternating current (AC) through double circuit cable. Buy the profile here.

3. Hazleton – Adams Line – New – 765 kV

The Hazleton – Adams Line – New – 765 kV is a 765kV overhead line with a length of 136.79Ckm running from Hazleton to Adams. The project is proposed and is expected to be commissioned in 2027.

The Hazleton – Adams Line – New – 765 kV is an overhead line that will be operated by ITC Midwest. The line will carry alternating current (AC) through double circuit cable. Buy the profile here.

4. Lakefield – Fort Thompson Line

The Lakefield – Fort Thompson Line is a 765kV overhead line with a length of 386.24Ckm running from Lakefield to Fort Thompson. The project is proposed and is expected to be commissioned in 2023.

The Lakefield – Fort Thompson Line is an overhead line that will be operated by ITC Midwest. The line will carry alternating current (AC) through double 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.

GlobalData

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.