Four new projects were announced in September, including Eversource’s (NYSE:ES) new Frost Bridge to Campville 115-kV transmission project in Litchfield County, Conn.
The new 10.4-mile transmission line will improve reliability in the region at an estimated cost of $51m. The expected in-service date for the project is late 2018.
The Western Area Power Administration revealed plans for a rebuild of the existing ED2–Saguaro 115-kV line in Pima County, Ariz. The project will replace 35.6 miles of aging infrastructure in order to ensure reliability in the region. The project has an estimated cost of $18m, and has a completion date of summer 2018.
Southwestern Public Service Co., subsidiary of Xcel Energy (NYSE:XEL), is planning a new 12-mile, 115-kV transmission line in Deaf Smith County, Texas. The new NE Hereford to La Plata line will help relieve grid reliability issues in the region. The project has an initial cost estimate of $15.1m, and has a completion date of late 2016.
Public Service Co. of Oklahoma, subsidiary of American Electric Power (NYSE:AEP) announced a new Darlington Road–Roman Nose project in Canadian County, Okla. The project involves a new 13-mile, 138-kV transmission line to address future load growth in the region. The project is estimated to cost $15.6m, and has an expected in-service date of summer 2017.
The only project energized in September was AltaLink Management Ltd.’s Landon to Janet project near Calgary, Alberta. The project involved a new 11-mile, 240-kV transmission line from the Langdon Substation to the Janet Substation. The project also included modifications to existing transmission lines in the east Calgary area and an expansion and upgrade of the existing Langdon and Janet substations located east of Calgary. The project is part of an area transmission reinforcement called the Foothills Area Transmission Development (FATD). The project cost approximately $280m. AltaLink Management Ltd. is a subsidiary of Berkshire Hathaway Inc.(NYSE:BRK/A).
Many projects saw changes in September, including Dominion Virginia Power’s Pacific Transmission Project, which received approval from the Virginia State Corporation Commission (SCC). The project is a planned new overhead 230-kV transmission line that will cut into the existing 230-kV Brambleton-BECO Line #2137 and extend to a new Pacific substation in Loudoun County, Va. The project, which is necessary to ensure continued reliability in the region, is expected to be energized by summer 2016, at a cost of $33m. Dominion Virginia Power is a subsidiary of Dominion Resources (NYSE:D).
The Remington to Gordonsville project is now only being sponsored by Dominion Virginia Power. FirstEnergy (NYSE:FE) was previously involved in the 38-mile, 230-kV rebuild near Madison, Va. The project has an estimated cost of $100m, and is expected to be completed by late 2019.
Delmarva Power and Light, subsidiary of Pepco Holdings (NYSE:POM), broke ground on its Salisbury to Berlin Rebuild project in Maryland. The project involves a rebuild of an existing 24-mile, 69-kV line at an estimated cost of $25m. The project is expected to be energized by summer 2017.
Appalachian Power Co. received authorization from the Virginia SCC for its planned Tazewell to Bearwallow 138-kV Rebuild. The project is a planned rebuild of the existing 12.5-mile, 69-kV transmission line to 138-kV standards. Approximately 7.8 miles of the rebuild will be located in Virginia, while 4.7 miles will be in West Virginia. The project is needed to ensure reliability in Tazewell County associated with increased growth. The project is expected to be in-service by summer 2017, with an estimated cost of $38m. Appalachian Power Co. is a subsidiary of AEP.
Oncor Delivery Company LLC received approval from the Public Utility Commission of Texas for its New Bethel Energy Center project. The New Bethel Energy Center is a planned double circuit, 345-kV transmission line to tie in the new switching station to the electrical grid in the region. There are currently multiple routes proposed, ranging in length from 12.2 miles to 26.6 miles, and ranging in cost from $33.7m to $63.3m. The project has a completion date of late 2017. Oncor is a subsidiary of Energy Future Holdings Corp.
Ameren Transmission Company’s Spoon River Project, which consists of a 46-mile, 345-kV line in Illinois extending from Galesburg to Peoria, was approved by the Illinois Commerce Commission. The project is estimated to cost $150m, and has an anticipated in-service date of late 2018. The project is designed to provide greater access to lower-cost energy and electricity from renewable sources, such as wind energy. It also will improve transmission system reliability in and around the project area. Ameren Transmission Company is a subsidiary of Ameren Corp. (NYSE:AEE).
Otter Tail Power Co.’s Big Stone South to Brookings project is now under construction. The project involves 70 miles of new 345-kV double-circuit line with poles capable of adding another double-circuit in the future. Along with the new 345-kV line, the project cost estimate includes a new substation near Big Stone and a two-mile spur of 230-kV single circuit line. The project is located in one of the best wind generation resource areas in the country, and will dramatically increase the ability to integrate new generation, according to the project partners. Otter Tail Power expects the project to be completed by late 2017, with a final cost of $226.7m. Otter Tail Power is a subsidiary of Otter Tail Corp.