Global transmission capacity was estimated to have reached 19,883,744MVA by the end of 2021 and is forecasted to grow to 27,052,399MVA by 2027. the US had 3,852,226MVA of capacity in 2021 and this is expected to rise to 3,930,486MVA by 2027. Listed below are the five largest transmission projects by capacity in the US, according to GlobalData’s power database. GlobalData uses proprietary data and analytics to provide a complete picture of the global transmission segment. Buy the latest transmission substation project profiles here.
1. Brookings HVDC Substation
Brookings HVDC Substation is a 800kV substation located at Brookings, South Dakota, the US. The substation is planned and is expected to be commissioned in 2025. The Brookings HVDC Substation will be operated by Xcel Energy Inc.
The designed voltage level of the substation is 800kV and the operating voltage level is 800kV. The step in voltage of the project is 800kV.
Brookings HVDC Substation is owned by Xcel Energy Inc. Buy the profile here.
2. Adair County Substation
Adair County Substation is a 765/345kV substation located at Adair County, Kentucky, the US. The substation is proposed and is expected to be commissioned in 2029. The Adair County Substation will be operated by MidAmerican Energy Co.
The designed voltage level of the substation is 765/345kV and the operating voltage level is 765/345kV. The step in voltage of the project is 765kV and the step out voltage is 345kV. Upon completion, the substation will be able to operate at 560MVA.
Adair County Substation is owned by MidAmerican Energy Co. Buy the profile here.
3. North La Crosse Substation – Upgrade – 765 kV
North La Crosse Substation – Upgrade – 765 kV is a 765kV substation located at North La Crosse, Wisconsin, the US. The substation is proposed and is expected to be commissioned in 2025. The North La Crosse Substation – Upgrade – 765 kV will be operated by Dairyland Power Cooperative.
The designed voltage level of the substation is 765kV and the operating voltage level is 765kV. The step in voltage of the project is 765kV.
North La Crosse Substation – Upgrade – 765 kV is owned by Dairyland Power Cooperative. Buy the profile here.
4. Osceola County Substation
Osceola County Substation is a 765/345kV substation located at Osceola County, Florida, the US. The substation is planned and is expected to be commissioned in 2024. The Osceola County Substation will be operated by MidAmerican Energy Co.
The designed voltage level of the substation is 765/345kV and the operating voltage level is 765/345kV. The step in voltage of the project is 765kV and the step out voltage is 345kV. Upon completion, the substation will be able to operate at 1200MVA.
Osceola County Substation is owned by MidAmerican Energy Co. Buy the profile here.
5. Petersburg Substation – Upgrade – 765 kV
Petersburg Substation – Upgrade – 765 kV is a 765kV substation located at Petersburg, Indiana, the US. The substation is planned and is expected to be commissioned in 2023. The Petersburg Substation – Upgrade – 765 kV will be operated by AES Indiana.
The designed voltage level of the substation is 765kV and the operating voltage level is 765kV. The step in voltage of the project is 765kV.
Petersburg Substation – Upgrade – 765 kV is owned by AES Indiana. Buy the profile here.
For more details on the latest transmission substation projects, buy the project profiles here.
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