Property:NEPA Proposed Action

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Property Name NEPA Proposed Action
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Antelope Valley Neset +Basin Electric is proposing to construct, operate, and maintain a new electrical transmission line connecting the existing AVS, Charlie Creek, Williston, and Neset substations with five newly proposed delivery substations. The overall project area identified for this project encompasses parts of Mercer, Dunn, McKenzie, Williams, and Mountrail counties in North Dakota. This overall project includes the construction of 345-kV transmission line facilities from Basin Electric’s AVS generation facility in northwestern North Dakota to increase the capacity and reliability of the electricity transmission infrastructure of the region. The line would connect AVS with Basin Electric’s Charlie Creek and Neset substations, Western’s Williston Substation, and provide new substation facilities to connect the proposed line into the current transmission system and provide locations for load-serving connections. Several alternatives, including a no-action alternative and three different build alternatives are discussed in detail in Chapter 2 of the FEIS. This FEIS considers two additional alternatives, similar to the alignment of Alternative B discussed in the DEIS. The primary difference is a double-circuit 345-kV line (Alternative D) or two parallel lines (Alternative E) running 63 miles from the Red Substation near Killdeer to the new White Substation and on to the Blue Substation and the additional Killdeer South Switchyard would be required. The Killdeer South Switchyard would interconnect the Red Substation to the existing AVS to Charlie Creek 345-kV transmission line by 12 miles of parallel 345-kV single-circuit transmission line. A detailed description of the project alternatives is included in Chapter 2 of the FEIS.  +
BLM-NV-WN-ES-08-01-1310, NV-020-08-01 +NGP is proposing a geothermal development project which includes the construction and operation of power generation facilities, geothermal fluid production and injection well pads and wells, access roads, geothermal fluid pipelines, groundwater production wells, an electrical transmission line and switching station, and support facilities. NGP submitted an application (N-82701) and Plan of Development (PoD) to the BLM Winnemucca Field Office (WFO), for approval of a right-of-way (ROW) for those portions of the transmission line located on public lands managed by the BLM. SPPCo submitted an application (N-83479) to the BLM WFO for approval of a ROW for the electrical switching station to be built at the point of interconnection of the NGP transmission line with the existing SPPCo transmission line. An Operations Plan was submitted for approval to drill and test geothermal wells proposed on public land (within federal geothermal lease NVN-58196) which would be used for the project. A Utilization Plan was submitted for approval of utilization facilities proposed on public land to be used for the project. Geothermal Drilling Permits (GDPs) will be submitted for downhole casing and cementing engineering approval for each well as the project progresses.  +
Barren Ridge Renewable Transmission +LADWP is proposing the Barren Ridge Renewable Transmission Project (BRRPT) to access clean, renewable energy resources in the Tehachapi Mountain and Mojave Desert areas of Southern California. The project is in Kern and Los Angeles Counties, and is approximately 75 miles in length from Barren Ridge Switching Station to Rinaldi Substation and 12 miles in length from Castaic Power Plant to the proposed Haskell Switching Station. The project will consist of: 1.Construction of a 230 kilovolt (kV) transmission line from the LADWP Barren Ridge Switching Station to Haskell Canyon on double-circuit structures (involving approximately 13 miles of National Forest System lands and 4 miles of Bureau of Land Management (BLM) managed public lands) 2.Addition of a 230 kV circuit on the existing double-circuit structures from Haskell Canyon to the Castaic Power Plant (involving approximately 4 miles of National Forest System lands and 300 feet of BLM managed public lands) 3.Upgrade the existing Barren Ridge – Rinaldi 230 kV transmission line with larger capacity conductors between the Barren Ridge Switching Station to Rinaldi Substation (involving approximately 13 miles of National Forest System lands and 4 miles of BLM managed public lands) 4.Construction of a new electrical switching station at Haskell Canyon. 5.Expansion of the existing Barren Ridge Switching Station.  +
Big Eddy-Knight +BPA has decided to construct the Big Eddy-Knight Transmission Project in Wasco County, Oregon and Klickitat County, Washington. This project consists primarily of constructing a new, approximately 28-mile-long, 500-kilovolt (kV) transmission line and ancillary facilities between BPA's existing Big Eddy Substation in The Dalles, Oregon, to a proposed new Knight Substation that would be connected to an existing BPA line about 4 miles northwest of Goldendale, Washington. The Big Eddy-Knight Transmission Project will respond to requests for transmission service in the region by increasing transmission capability of the electrical system. For the transmission line, BPA has decided to build East Alternative Option 3, which was identified in the final EIS as the preferred alternative for the transmission line route. For the first 14 miles, the line will use double-circuit towers (combining the new line and an existing line on one set of towers) mostly on existing right-of-way. The remaining 14 miles of the new line will be built with single-circuit towers in newly-established transmission line right-of-way. BPA has also decided to build the small (about 1 mile) realignment of the East Alternative on the Oregon side of the Columbia River, as described in the final EIS. For the proposed new Knight Substation, BPA has decided to build Knight Substation on Site 1, which is on private property about 0.5 mile west of Knight Road. For the fiber optic cable necessary for system communications, BPA has decided to build the Loop Back Option, which will string fiber optic cable on the new transmission towers from BPA's Big Eddy Substation to the new Knight Substation and back again. The project also includes new equipment at BPA's existing Big Eddy and Wautoma substations. BPA considered three transmission line alternatives, two Knight Substation sites, two fiber optic cable options, and the No Action Alternative.  +
Boardman to Hemingway +Idaho Power Company proposes to construct, operate, and maintain the Boardman to Hemingway Transmission Line Project (the B2H Project), that is approximately 305 miles long. The line would be a single-circuit alternating-current, 500-kilovolt (kV) overhead electric transmission line with ancillary facilities. The transmission line would be constructed to connect the Grassland Substation, that is under construction by Portland General Electric Company (PGE), near the near the city of Boardman, Morrow County, Oregon, to the existing Hemingway Substation, near the city of Melba in Owyhee County, Idaho. The proposed B2H Project would include relocating approximately 4.5 miles of existing 138-kV transmission line to a newly constructed double circuit 138/69-kV transmission line in the existing right-of-way in the vicinity of Weatherby, Oregon. The B2H Project is proposed to cross federal, state, and private lands in five counties in Oregon and one county in Idaho. Approximately 93 miles (33 percent) of the lands the proposed B2H Project would cross are administered by federal agencies, including the BLM, USFS, and the Bureau of Reclamation. The B2H Project may also affect lands and military Special Use Airspace administered by the U.S. Department of the Navy.  +
Bordertown to California Transmission +The Forest Service proposes to authorize construction and operation of approximately 10 miles of new 120 kV overhead transmission line between NV Energy's Bordertown and California Substations (Stateline alignment). To accommodate the new transmission line, the project would also include improvements to both substations. Improvements include the installation of a 345/120 kV transformer and a 120 kV line terminal at Bordertown Substation and rearrangment of existing 120 kV terminals at California Substation. The majority of the route (approximately 7 miles) would cross National Forest System land, with shorter segments crossing private land (approximately 2.5 miles) and public land managed by BLM (approxomately 0.50 mile).  +
CA-96062042 +Calpine Corporation has submitted a Plan of Utilization (POU) to the Bureau of Land Management (BLM) and the U.S. Forest Service (USFS) to develop a 49.9 megawatt (MW) geothermal power plant and wellfield and 24-mile, 230-kilovolt (kV) transmission line. This project, known as the Fourmile Hill Geothermal Development Project, would be located in the Glass Mountain Known Geothermal Resource Area (KGRA) on the Klamath and Modoc National Forests, in Siskiyou and Modoc Counties, California. The Glass Mountain KGRA represents one of the only remaining undeveloped KGRAs in North America with a demonstrated geothermal resource.  +
Cameron to Milford-138kV Transmission Line +The applicant is proposing to construct, operate, and maintain a 138 kilovolt (kV) overhead, single circuit, primary transmission line and expand the Cameron Substation on private land near Beaver, Utah. The requested right-of-way (ROW) would total 15.3 miles in length, of which 12.0 miles, covering 122.8 acres, would be on BLM administered land. The route would extend from the Cameron Substation near Beaver, Utah, in a northwesterly direction over the Mineral Mountains, terminating at PacifiCorp’s Milford Substation. The ROW would begin at PacifiCorp’s existing interconnected system, approximately 2.9 miles northwest of Adamsville, Utah. It would extend west, north of Pass Road, where it would intersect with Pass Road, near the base of the Mineral Mountains. Over the Mineral Mountains, the ROW would roughly follow Pass Road. On the west side of the Mineral Mountains, the majority of the ROW would be parallel to and south of Pass Road, and would intersect Pass Road near Milford. The transmission line would also parallel an existing power line along the majority of this portion of the route. The route of the Proposed Action alignment would physically separate the proposed 138 kV transmission line from the existing 46 kV system such that simultaneous damage to both systems would be unlikely, resulting in redundancy in the system.  +
Central Ferry Lower Monumental +BPA is proposing to construct, operate, and maintain a 38- to 40-mile-long 500-kilovolt (kV) transmission line in Garfield, Columbia, and Walla Walla counties, Washington. The proposed line would extend west from BPA’s planned Central Ferry Substation in Garfield County to BPA’s Lower Monumental Substation located in Walla Walla County. BPA is considering four routing alternatives for the proposed Central Ferry-Lower Monumental transmission line; portions of all four routes would parallel existing BPA lines in the area. Two of the routing alternatives for the transmission line are about 38 miles long, and the other two are about 40 miles long.  +
DNA-NV-030-09-03 +Shallow temperature gradient drilling on geothermal lease NVN-83833 is the proposed action. Applicant intends to conduct airtrack drilling to 50 foot depth of up to 39 drill sites. Access to drill sites is by overland travel with the air tracked drill rig. No drill pad construction is necessary. Temperature probe is inserted in drill hole and the hole will be backfilled with cuttings immediately upon extraction of the probe.  +
DOE-EA-1116 +Exergy, Inc (Exergy), proposes to construct and operate a 6-megawatt (MW), advanced binary, geothermal power plant. The development of this power plant includes geothermal production and injection wells, as well as ancillary facilities [such as on-site access road(s) and electric transmission lines interconnected to existing geothermal power plants]. The proposed site to be developed is approximately 16 kilometers (km) [(10 miles (mi)] southeast of Reno in Washoe County, Nevada. The proposed geothermal power plant and associated components, using the KCS 11 technology, are known as the Kalina Geothermal Demonstration Project (KGDP). The proposed KGDP would be located on a private leasehold known as the Harvey (formerly "Giusti") parcel within the jurisdiction of Washoe County. The Harvey parcel is approximately 24 hectares (ha) (60 acres) in Section 29 of Township 18 North, Range 20 East.  +
DOE-EA-1621 +Installation of a 5000-6000 ft deep geothermal well to reach 300 degrees resource. Construction of a 1.2 MW bianary power plant, and a pipeline connecting power plant to new well, and connection of power plant to exisiting transformers  +
DOE-EA-1676 +Construction and startup of the U.S. Geothermal Neal Hot Springs 22MW electric power facility in Vale, Oregon. US Geothermal would employ an innovative geothermal electricity production process which demonstrates an increase in power conversion efficiency up to 15 percent when compared to binary cycle systems currently available. The facility would use a non-toxic and non-flammable refrigerant in a closed-loop system with a gas scrubber to prevent the release of gas products to the atmosphere. These features would help to avoid air pollutants and anthropogenic emissions of greenhouse gases that would otherwise be produced to supply the energy through today's less efficient geothermal systems, The air cooled geothermal plant would have no direct emissions, and the indirect, and equivalent CO2 emissions from the Neal Hot Springs geothermal plant would be less than .04 pounds per kilowatt.  +
DOE-EA-1733 +The US Department of Energy (DOE) is preparing an Environmental Assessment (EA) to address the potential environmental effects of the Calpine-Geysers Power Company (Calpine)’s proposed Enhanced Geothermal System (EGS) demonstration project. The proposed project would be located within the Northwest Geysers, Sonoma County, California within the Geysers-Clearlake Known Geothermal Resource Area (KGRA). The proposed EGS project includes the injection of water, ranging from 50 to 80 degrees Fahrenheit, into wells to enhance the permeability of an existing high temperature hydrothermal reservoir that would be harnessed to produce electrical energy. The purpose of the project is to demonstrate the ability to stimulate high temperature rocks by monitoring their early response to carefully designed injection tests. The project would be a collaborative effort between scientists and engineers of Calpine Corporation, Lawrence Berkeley National Laboratory (LBNL), and the DOE. The EGS project involves injection of water into existing two wells with modifications. Work would occur in three phases (pre-stimulation, stimulation, and long term injection).  +
DOE-EA-1759 +The Proposed Action would include the construction, operation, drilling, well logging, completion, installation of a seismic monitoring network, and drilling of two wells (G2 and G3 on an existing gravel pad) to a depth of approximately 3,658 meters (m) (12,000 feet [ft]) below ground surface. If data from the wells indicate it is necessary, one well (G1, G2, or G3) would be stimulated to fracture the rock and increase permeability within the rock structure. Stimulation protocol would utilize EGS and would increase the potential of the field to produce energy.  +
DOE-EA-1849 +The Proposed Action is issuance by DOE of a loan guarantee to John Hancock Financial Services for the Ormat Nevada OFC 2 LLC Project for development of the Tuscarora Facility and Transmission Line, Jersey Valley Facility, and McGinness Hills Facility. Project features typical for these facilities include construction of production and injection wells, geothermal fluid pipelines, power generating facilities and associated facilities, and transmission lines. These features are described for the Tuscarora Facility in section 2.1. Updated information and supplemental analysis for the Transmission Line is provided in section 2.2. Summaries of the Jersey Valley Facility EA, and McGinness Hills Facility EA are contained in Appendix B and Appendix C.  +
DOE-EA-1961 +Bonneville Power Administration (BPA) proposes to rebuild the Kalispell-Kerr 115-kilovolt (kV) transmission line in Flathead and Lake counties, Montana. This 41-mile long transmission line is owned and operated by BPA. The line begins at the BPA Kalispell Substation and ends at the BPA Kerr Substation, approximately 4 miles southwest of the city of Polson (see project map below). The rebuild is needed because the transmission line, which was built in 1947, is old and the existing wood-pole structures and electrical wires (conductors) show normal deterioration due to age. Rebuilding this transmission line would enable BPA to continue to provide reliable electric power to local utilities. The project would include replacing wood-pole transmission structures, associated structural components, and conductors. The wood-pole transmission structures consist of either two or three wood poles. The existing structures would be replaced with structures of similar design within or near to their existing locations. Some existing access roads would need to be improved to provide construction access and some new access roads may be needed to access structures for which BPA currently does not have adequate access. The rebuilt transmission line would continue to operate at 115-kV.  +
DOE-EIS-0298 +Development, Injection, Utilization and associated ancillary improvements, such as roads and electrical transmission line for the Telephone Flat Geothermal Project  +
DOI-BLM-CA-017-05-051 +The applicant, Mammoth Pacific, L.P. (MPLP), has proposed to construct, operate, maintain and, following the expected 30-year life, decommission the Basalt Canyon Geothermal Pipeline Project ("Project" or "Proposed Action"). This project is designed to deliver approximately 3,600 gallons per minute (gpm) of geothermal fluid though a new pipeline to two existing MPLP geothermal power plants located eat of the Town of Mammoth Lakes in Mono County, California. The geothermal fluid would be produced from two geothermal exploration wells that would be drilled, completed and tested as part of the previously approved geothermal exploration projects. All of the sixteen previously approved exploration well drill sites are located west of U.S. Highway 395 and north of California State Route 203. All Project activities would be conducted within a 1,660-acre Project area, as shown in Figure S1.  +
DOI-BLM-CA-017-P006-60 +Pacific Energy proposes to construct and operate a 10 MWe (net) binary power plant and geothermal wellfield development project (PLES I Project) on federal geothermal lease CA-11667. The project area is located approximately three miles east of the Town of Mammoth Lakes, Mono County, California and is within the Long Valley East Geothermal Unit on land administered by the Inyo National Forest. The project area is within the Long Valley KGRA, immediately adjacent to the existing seven MWe (net) Mammoth-Pacific I geothermal resource electric generating facility (MP I). The proposed project would include: the drilling, construction, and operation of geothermal production and injection wellfields; the construction and operation of the related production pipeline gathering and injection pipeline distribution system; the construction and operation of a 10 MWe (net) binary power plant facility; and construction of control facilities. As part of the proposed project, all of the mitigating stipulations previously applied by the BLM have been adopted. Geothermal fluid, produced from up to four geothermal production wells located in the vicinity of Casa Diablo Hot Springs, would be directed by surface pipelines to the proposed binary power plant facility. Approximately 5,000 gpm of geothermal fluid would be produced. After heat extraction, the cooled geothermal fluid would be directed from the power plant by surface pipeline up to four geothermal injection wells and injected into the subsurface injection reservoir. Approximately 13 acres would be disturbed in the development and operation of the proposed project.  +
DOI-BLM-CA-170-02-15 +Mammoth Pacific, LP, is proposing to conduct two geothermal resource exploration drilling projects on portions of two existing federal geothermal resource leases, CA-1667 and CA-14408, within the Mono-Long Valley KGRA. MPLP has submitted two plans of operation to conduct geothermal resource exploration drilling operations on portions of two federal geothermal resource leases, CA-11667 and CA-14408, within the Mono-Long Valley KGRA, in Mono County, California. The Basalt Canyon geothermal exploration area consists of those lands located within Section 31, T3S, R28E, and Section 36, T3S, R27E, MDB&M, which are west of U.S. Highway 395 and north of California Highway 203. These lands are located entirely within the Inyo National Forest. The Basalt Canyon Slim Hole Exploration Project is a plan to drill and monitor up to five small diameter holes from up to five of six specific sites in the Basalt Canyon geothermal exploration area (see Figure 1). The Basalt Canyon Geothermal Well Exploration Project is a plan to drill, complete, and test up to two large diameter geothermal exploration wells from up to two of these same six identified sites. MPLP would make the determination as to specifically which slim hole or geothermal well to drill based on the geological, geophysical, geothermal resource and other data available at the time each decision must be made.  +
DOI-BLM-CA-650-2005-086 +"Deep Rose, LLC (Deep Rose) of Ridgecrest, California has proposed the construction of a well pad, access road, water line, support facilities (i.e. truck turnout areas and water storage areas), and the drilling and testing of up to four geothermal exploratory wells in Inyo County. After the initial well, subsequent wells may or may not be drilled based on the subsurface geological investigations. "  +
DOI-BLM-CA-670-2010-107 +Ormat proposes to re-drill a new hole at well 78A-6, This hole will be drilled from its current depth of about 8500 to approximately 10000 feet The well will then be tested to determine reservoir characteristics, after which temperature profile of the well will be measured. Finally, Well 78A-6 will be utilized to generate electrical power. The hole will be drilled with a normal rotary drilling rig. The rig will be equipped with diesel engines, storage tanks, mud pumps, and other typical auxiliary equipment During drilling, the top of the derrick will be approximately 176 ft above ground level. The hole will be drilled using a gel-based mud or gel and polymer drilling fluid to circulate the rock cuttings to the surface where they are removed. The mud will then be circulated. The cuttings will be captured in the containment basin and will subsequently be tested and transported to an approved landfill for disposal. Approximately 9 to 18 workers will be on location at any given time. The drilling crews will not be living on location.  +
DOI-BLM-CA-C050-2009-0005-EA +AltaRock Energy Inc. (AltaRock) and the Northern California Power Agency (NCPA) are proposing to undertake an Engineered Geothermal System (EGS) well stimulation project in the Geysers Geothermal Field (GGF). In essence, EGS is the process of the injection of water into wells to create an artificial reservoir and steam, which is harnessed to produce energy.  +
DOI-BLM-CA-EA-2002-??? +The proposed project would include construction of two new well pads, for the drilling, completion, and flow testing of two deep (production size) exploration wells and the drilling of a Temperature Gradient Hole (TGH) on one of these well pads. The proposed action would also include testing of three existing exploration wells located within the Unit. The proposed activities are scheduled to begin in the summer of 2002. The exploration wells would be drilled to an approximate depth of 9, 000 feet and flow tested for up to 30 days. Prior to drilling an exploration well at the 64-27 site, CPN proposes to first drill a TGH to evaluate the extent and quality of the thermal resource. The TGH would be drilled to a depth of 6,000 feet, or 500°F, whichever comes first.  +