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San Gorgonio Pass Wind Farm

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San Gorgonio Pass Wind Farm
NameSan Gorgonio Pass Wind Farm
Settlement typeWind farm
Coordinates33.9300°N 116.6189°W
Subdivision typeCountry
Subdivision nameUnited States
Subdivision type1State
Subdivision name1California
Subdivision type2County
Subdivision name2Riverside County

San Gorgonio Pass Wind Farm The San Gorgonio Pass Wind Farm is a large wind energy installation in Southern California near Banning, California, Cabazon, California and Beaumont, California. The installation occupies a corridor linking the Coachella Valley, Inland Empire (California), and the San Bernardino Mountains and has played a central role in the development of utility-scale wind power in the United States. Developers, utilities, and agencies including Southern California Edison, NextEra Energy, AES Corporation, and the California Energy Commission have been involved in the site’s development and modernization.

Overview

The pass forms a natural wind conduit between the Pacific Ocean and the inland basins, producing strong prevailing winds exploited by multiple operators such as Horizon Wind Energy, Iberdrola Renewables, and EDF Renewables. The project area lies within Riverside County, California near transportation corridors including Interstate 10, the Union Pacific Railroad, and the Southern Pacific Railroad (Pacific Railroad) right-of-way. Regional stakeholders like the Bureau of Land Management, California Public Utilities Commission, and the Metropolitan Water District of Southern California have also influenced land use and permitting. The site is adjacent to conservation areas such as the Sand to Snow National Monument and the Whitewater Preserve.

History and Development

Early wind use in the region traces to experiments by the Southern California Edison Company and research at institutions like the National Renewable Energy Laboratory and the California Institute of Technology. Large-scale development accelerated during the energy policy shifts of the 1970s and 1980s influenced by legislation such as the Public Utility Regulatory Policies Act of 1978 and incentives from the California Energy Commission and Federal Energy Regulatory Commission. Major construction phases involved contractors and equipment manufacturers including GE Renewable Energy, Vestas, Siemens Gamesa Renewable Energy, and Mitsubishi Heavy Industries. Ownership changed hands among corporations like AES Corporation, NextEra Energy Partners, and investment firms connected to BlackRock and Brookfield Asset Management. Legal and permitting interactions included agencies such as the United States Fish and Wildlife Service, California Department of Fish and Wildlife, and environmental organizations including The Nature Conservancy and the Sierra Club.

Geography and Climate

The pass sits between the San Bernardino Mountains and the San Jacinto Mountains, funneling marine air from the Pacific Ocean into the Coachella Valley and producing diurnal and seasonal wind regimes studied by universities like the University of California, Riverside, California State University, San Bernardino, and University of California, Los Angeles. The climate classification aligns with that of Southern California Mediterranean and desert transition zones described by agencies such as the National Oceanic and Atmospheric Administration and the National Weather Service. Local topography includes features like Mount San Gorgonio, Santiago Peak, and the Greater Los Angeles Basin which affect pressure gradients and wind shear measured by entities including NASA and the Jet Propulsion Laboratory. Regional planning initiatives have engaged organizations like the Southern California Association of Governments and Riverside County Regional Park and Open-Space District.

Wind Farm Design and Technology

Designs have evolved from early multi-megawatt installations to modern turbines with larger rotors and taller towers from manufacturers like GE Renewable Energy, Vestas, and Siemens Gamesa Renewable Energy. Electrical infrastructure integrates substations and transmission corridors connected to the California Independent System Operator grid and regional utilities such as Southern California Edison and Los Angeles Department of Water and Power. Studies by institutions including Sandia National Laboratories and the National Renewable Energy Laboratory have guided siting, wake modeling, and acoustic analysis. Mitigation measures and monitoring programs have referenced guidance from the United States Fish and Wildlife Service and the California Energy Commission for avian and bat interactions, incorporating technology from companies like Honeywell International and Schneider Electric for controls and SCADA systems.

Operations and Power Generation

Operational management involves asset owners, independent power producers, and contractors including AES Corporation, NextEra Energy, Iberdrola, and maintenance firms linked to Siemens and GE. Output contributes to California’s renewable portfolio standards overseen by the California Public Utilities Commission and transmission planning by the California Independent System Operator. Power purchase agreements have been signed with municipal and investor-owned utilities such as Southern California Edison, Los Angeles Department of Water and Power, and San Diego Gas & Electric. Performance monitoring, forecasting, and integration use forecasting services from IBM and research from Lawrence Berkeley National Laboratory and Stanford University. Grid interconnection processes involve the Federal Energy Regulatory Commission and local balancing authorities.

Environmental and Social Impact

Environmental assessments engaged agencies like the United States Fish and Wildlife Service, California Department of Fish and Wildlife, and advocacy groups including the Audubon Society and Defenders of Wildlife. Concerns and mitigations addressed avian and bat mortality, habitat fragmentation near the Santa Rosa and San Jacinto Mountains National Monument, and cultural resource impacts important to tribes such as the Cahuilla, Serrano, and Morongo Band of Mission Indians. Social and economic effects involved local governments Riverside County Board of Supervisors, labor unions such as the International Brotherhood of Electrical Workers, and workforce programs supported by community colleges including Mt. San Jacinto College. Noise, visual impact, and tourism interactions referenced nearby attractions like the Palm Springs Aerial Tramway, Joshua Tree National Park, and the Living Desert Zoo and Gardens.

Future Plans and Upgrades

Planned repowering and expansion efforts consider larger turbines from Vestas, Siemens Gamesa Renewable Energy, and GE Renewable Energy, grid upgrades coordinated with the California Independent System Operator, and storage integration using technologies from Tesla, Inc., Fluence Energy, and LG Chem. Policy drivers include California legislation such as the Renewable Portfolio Standard (California), climate targets promoted by the California Air Resources Board, and federal incentives managed by the Department of Energy and the Internal Revenue Service. Stakeholders including Riverside County, conservation entities like The Nature Conservancy, and tribal governments will continue to negotiate siting, mitigation, and community benefit frameworks, while academic partners such as University of California, Riverside and Stanford University study long-term impacts and optimization.

Category:Wind farms in California Category:Riverside County, California