Conditional Use Permit #19-0028 Heber 1 Repower Project

Summary

SCH Number
2021020267
Lead Agency
Imperial County
Document Title
Conditional Use Permit #19-0028 Heber 1 Repower Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Industrial Geothermal Power Plant/ A-2 Agriculture/ Heber Specific Plan Area (SPA)
Document Description
Applicant proposes to upgrade the existing Heber 1 geothermal facility, by shutting down the dual-flash steam turbine generator, and installing two new OECs (OEC 1 and OEC 2), reconfiguring two of the existing OECs (OEC 11 and OEC 13), including the installation of ancillary equipment and two (2) 10, 000 gallon isopentane tanks. OEC 1 and 2 combined would function as an Ormat Integrated Three-Level Unit (I3LU) and will use air cooling rather than water cooling for the motive fluid. OEC 11 and OEC 13 combined would function as an Integrated Two-Level Unit (ITLU) and will use the existing cooling tower. Applicant is also proposing to modify the permitted water intake from 1,800 acre feet of irrigation water to the existing water intake of 2,300 acre feet of irrigation water. The purpose of the repower project is to improve efficiency of the operations and increase the net and gross generation to 52MW (net), 78.2 (gross) as initially requested under Conditional Use Permit #15-0013. This proposed project also proposes to extend the permitted life of Heber 1 to 30 years (2021-2051).

Contact Information

Name
Mariela Moran
Agency Name
Planner II
Contact Types
Lead/Public Agency

Location

Cities
Heber
Counties
Imperial
Cross Streets
Jasper Rd
Zip
92249
Total Acres
28 acres
Parcel #
054-250-035 & 054-250-036
State Highways
Highway 86
Railways
Union Pacific
Airports
N/A
Schools
Heber School District
Waterways
IID Canals and Drains
Township
16
Range
14
Base
SBB&M

Notice of Completion

Review Period Start
Review Period End
Development Types
Power:Geothermal (28 acres)(Megawatts 52)
Local Actions
Use Permit
Project Issues
Air Quality, Biological Resources, Geology/Soils, Hazards & Hazardous Materials, Noise, Public Services, Transportation
Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, Inland Deserts Region 6 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 11 (DOT), California Department of Water Resources (DWR), California Energy Commission, California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Colorado River Basin Region 7 (RWQCB), Colorado River Board, Department of Toxic Substances Control, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Rights

Attachments

Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]

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