Three new projects were announced in June, including the Cross-Tie 500-kV Transmission Line project between Utah and Nevada by TransCanyon LLC, a joint subsidiary of Berkshire Hathaway Inc., (NYSE:BRK/A) and Pinnacle West Capital Corp. (NYSE: PNW).
The approximately 213-mile line would strengthen the electrical interconnection between the PacifiCorp and NV Energy transmission systems while supporting the interregional power transfers by linking the NTTG and WestConnect planning regions. The project is projected to be completed by late 2024.
Power Renewable Energy Corp., has plans for a new Halsbury to Jenner 240-kV transmission line in Alberta. The 14-kilometer line would interconnect the proposed Jenner Wind project. The project has an estimated cost of C$28m, with an expected completion date of late 2017.
Dominion Resources (NYSE:DOM) announced plans for a new 25-mile, 115-kV transmission line between the Scotland Neck and South Justice Branch substations in North Carolina. The Scotland Neck Reliability Project would add reliability and operational flexibility to better serve the region. The expected cost of the project is $33.3m, with an anticipated completion date of early 2018.
The Second Ramapo to Rock Tavern 345-kV line was the only project energized in June. Sponsored by New York Transco, the completed project involved an additional 345-kV transmission line between the Ramapo and Rock Tavern substations in order to increase import capacity and reliability in Southeastern New York.
Two projects saw approval by the Virginia State Corporation Commission (SCC). The first involved Appalachian Power Co.’s Bland Area Improvements Project, which involves upgrading the existing 20-mile, 69-kV South Bluefield–Wythe transmission line to 138-kV standards. In addition, six additional miles of new 138-kV transmission line and a new substation will be built to support regional power distribution around Bland, Va. The project has an estimated cost of $68m, with an expected completion date set for late 2018. Appalachian Power is a subsidiary of American Electric Power (NYSE:AEP).
The second project approved by the SCC was the Surry–Yadkin and Churchland–Surry Rebuild project sponsored by Dominion Virginia Power, subsidiary of Dominion Resources. The project involves rebuilding the existing 230-kV lines in order to maintain structural integrity and reliability in the region. The project has an estimated cost of $19.m, and is expected to be energized by early 2017.
Brazos Electric Power Cooperative received approval from the Public Utility Commission of Texas for its planned Stonebrook project. The 4.5-mile, 138-kV underground transmission line will run between the new Stonebrook substation to an existing 138-kV tap west of the North Dallas Tollway. The line is needed to provide increased capacity and reliability in Benton County, Texas, and is expected to be completed in early 2018, at a cost of $34.3m.
Vermont Electric Power Company received approval by the Vermont Public Service Board for its planned Connecticut River Valley Project. The project involves reconductoring and rebuilding an existing line between the Coolidge and Ascutney substations to improve reliability in the region. The project has a cost estimate of $122.5m, and is expected to be completed by summer 2018.
Finally, Clean Line Energy Partners received a project endorsement by the Missouri governor for its planned $2.2bn Grain Belt Express Clean Line. The new 600-kV HVDC line would originate at Spearville, Kan., and extend nearly 750 miles to St. Francois, Mo. The intent of the project is to make possible more than $7bn worth of new renewable energy investment in the region. The project has a projected completion date of late 2021.