Catalog


Book Description













Sidney-North Yuma 230-kV Transmission Line Project, Colorado and Nebraska


Book Description

This report describes the need for a 230-kV overhead transmission line to supply power from Sidney, Nebraska to eastern Colorado. The alternative scenario compared to construction of the line is No Action. Rejected alternatives include underground lines and different routing paths, with a possible extension to the Sterling area. Both scenarios are evaluated for environmental effects, cost, and consequences for the eastern Colorado region. The proposed route is determined to be the environmentally preferred choice. 120 refs., 6 figs., 13 tabs. (MHB).




Environmental Assessment of the Gering-Stegall 115-kV Transmission Line Consolidation Project, Scotts Bluff County, Nebraska


Book Description

The Department of Energy (DOE), Western Area Power Administration (Western) proposes to consolidate segments of two transmission lines near the Gering Substation in Gering, Nebraska. The transmission lines are both located in Scotts Bluff County, Nebraska. The transmission lines are both located in Scotts Bluff County, Nebraska, within the city of Gering. Presently, there are three parallel 115-kilovolt (kV) transmission lines on separate rights-of-way (ROW) that terminate at the Gering Substation. The project would include dismantling the Archer-Gering wood-pole transmission line and rebuilding the remaining two lines on single-pole steel double circuit structures. The project would consolidate the Gering-Stegall North and Gering-Stegall South 115-kV transmission lines on to one ROW for a 1.33-mile segment between the Gering Substation and a point west of the Gering Landfill. All existing wood-pole H-frame structures would be removed, and the Gering-Stegall North and South ROWs abandoned. Western is responsible for the design, construction, operation, and maintenance of the line. Western prepared an environmental assessment (EA) that analyzed the potential environmental impacts of the proposed construction, operation, and maintenance of the 115-kV transmission line consolidation. Based on the analyses in the EA, the DOE finds that the proposed action is not a major Federal action significantly affecting the quality of the human environment, within the meaning of the National Environmental Policy Act of 1969 (NEPA).




Thermopolis-Alcova-Casper Transmission Line Project Wyoming: Maps and Tables


Book Description

This EIS assesses the environmental effects of constructing 152.1 miles of 230-kV or 230/345-kV transmission line between Thermopolis and Alcova, and between Alcova and Casper. Approximately 136.1 miles of the new 230-kV or 230/345-kV line will either replace two existing but deteriorated 69-kV lines or parallel an existing 115-kV line. The remaining 16.0 miles of line will be constructed on a new corridor. In addition, approximately 50.0 miles of 69-kV line will be reconstructed at 69/115-kV between Arminto and Casper. Other minor elements of the project include construction of short 34.5-kV and 69/115-kV connecting lines, and a new substation near Alcova. The purpose of the project is to bring the regional transmission system into compliance with National Electric Reliability Council criteria and to reduce energy losses associated with overloading of the existing system. Alternatives assessed include no action, delay, reduction in the quality of electrical service, alternative transmission technologies, alternative design, and alternative routes. Significant impacts include soil disturbance and increased erosion, potential disturbance of sensitive habitats for sage grouse, bald eagles and raptors, and increased visual impacts created by the replacement of small, wood structures with larger transmission structures.