Great Basin Transmission
Great Basin Transmission’s Southwest Intertie Project-North (SWIP-North) will provide a bi-directional transmission pathway for delivering energy between the Desert Southwest and the Pacific Northwest to meet changing market needs and to increase reliability.
SWIP-North is the final link of a transmission corridor extending between Idaho and southern Nevada that will increase reliability and reduce congestion in the western United States, and enable the bi-directional flow of more than 2,000 megawatts of electricity.
| For more infomation about SWIP-NORTH, please email us at: greatbasin@lspower.com |
History
2023
In 2023, Great Basin Transmission was selected by CAISO’s Board of Governors to develop, permit, finance, construct, own, operate, and maintain the SWIP-North Project.
2024
In 2024, Great Basin Transmission was selected to receive a capacity contract by the U.S. Department of Energy’s Transmission Facilitation Program and CAISO provided its final approval of SWIP-North.
2025
In 2025, Idaho Power entered into agreement with Great Basin Transmission to secure capacity, subject to certain regulatory approvals.
2028
By 2028, Great Basin Transmission plans to add a new 500 kV transmission line that will connect the Midpoint Substation near Twin Falls, Idaho, to the Robinson Summit Substation near Ely, Nevada.