Four new projects were announced in February, including the Rusk to Panola Transmission Line Project that is sponsored by Garland Power and Light and will involve a new 40-mile, 345-kV, double-circuit transmission line.
The project will also include the new Rusk County substation, built by Oncor Delivery Co., a subsidiary of Energy Future Holdings. The project will coincide with the planned Southern Cross Transmission Project and has an early cost estimate of about $109.9m, with a scheduled completion date of late 2021.
Dominion Virginia Power, subsidiary of Dominion Resources (NYSE:DOM) announced the new Surry–Yadkin and Churchland–Surry Rebuild project. The rebuilt lines will be rated at the same 230-kV as the existing lines. The proposed project is needed to maintain the structural integrity and reliability of the existing aging infrastructure. The project has an estimated cost of $19.2m, with a scheduled completion date of early 2017.
National Grid, subsidiary of National Grid plc (NYSE:NGG), is planning a refurbishment of an existing 115-kV, 26.6-mile transmission line. The Browns Falls–Taylorville Refurbishment Project will provide increased system reliability and has a cost estimate of $27.8m. National Grid expects to complete the project by late 2017.
PPL Electric Utilities announced the planned Susquehanna–Jenkins Rebuild project to ensure reliability in Luzerne County, Pa. The project will involve replacing the aging infrastructure with a new 230-kV, 24.4-mile transmission line, at a cost of approximately $64.3m. The project is expected to be put in service by summer 2018. PPL Electric Utilities is a subsidiary of PPL Corp. (NYSE:PPL).
The only project completed in February came from American Transmission Company. The Quad County Electric Reliability Project involved rebuilding 58 miles of existing 138-kV transmission line. The construction was needed to replace the aging equipment in the Waukesha to Watertown to Slinger region, Wis. The project cost approximately $69m.
Finally, various projects saw updates in February. Dominion completed the Brambleton to Goose Creek portion of its Loudoun to Pleasant View 500-kV Rebuild project. The entire project involves replacing 13.8 miles of 500-kV transmission line to improve reliability. The entire project is expected to cost $31.3m, and to be completed by summer 2016.
Dominion also saw a number of projects receive build authorization from the Virginia State Corporation Commission, including the company’s 11.7-mile, 230-kV Remington CT to Warrenton project in Fauquier County, Va. The project is expected to be completed by summer 2018.
The second project to receive build authorization was the Vint Hill to Wheeler project. The 5.5-mile, 230-kV transmission line is expected to be completed by summer 2017.
The final Dominion project approved was the Wheeler to Loudoun project. The project is a planned 13.8-mile, 230-kV transmission line in Prince William County, Va. The line would originate at a new Wheeler Station, run within existing right of way and terminate at the existing Loudoun Station. The project would also involve utilizing 115-kV lines operating at 230-kV. The project is expected to be completed by summer 2017.
Minnesota Power received final route approval from the Minnesota Public Utilities Commission (PUC) for its Great Northern Transmission Line project. The Great Northern Transmission Line is the southern portion of the greater Minnesota Power and Manitoba Hydro transmission project. The total length of the project is expected to be approximately 220 miles, all of which will be operated at 500-kV. The new transmission line is being proposed in order to strengthen the electric grid, enhance regional reliability and promote a greater exchange of sustainable energy. Construction of the project is expected to begin in 2017, with a scheduled in-service date of 2020.
National Grid’s Merrimack Valley Reliability Project received approval by the New Hampshire PUC. The project involves a new 17.9-mile, 345-kV transmission line continuation of the proposed 3124 Line to the Scobie Pond substation. The project is needed to address transmission system reliability issues in the Greater Boston and southern New Hampshire regions. The project has a cost estimate of $123m, with an expected completion date of late 2017.
Jersey Central Power and Light started phase two construction for its Englishtown–Wyckoff Street Transmission Line project. The project involves a new 11.5-mile, 115-kV transmission line to meet increased demand and enhance reliability in Monmouth, Middlesex and Mercer counties. The entire project is expected to be energized by summer 2016 at an overall cost of $48m. Jersey Central Power and Light is a subsidiary of FirstEnergy (NYSE:FE).