Alamosa Solar Generating Project

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Alamosa Solar Generating Plant
Alamosa Solar Generating Project is located in Colorado
Alamosa Solar Generating Project
Location of Alamosa Solar Generating Plant in Colorado
Country United States
Location Alamosa, Colorado
Coordinates 37°35′54″N 105°57′07″W / 37.59833°N 105.95194°W / 37.59833; -105.95194Coordinates: 37°35′54″N 105°57′07″W / 37.59833°N 105.95194°W / 37.59833; -105.95194
Status Operational
Construction began 2011
Commission date May 10, 2012
Owner(s) Cogentrix Solar
Solar farm
Type CPV
Site area 225 acres (91 ha)
Power generation
Units operational 504 Amonix 7700
Nameplate capacity 37 MW
Annual generation 87.554 GW·h

The Alamosa Solar Generating Plant is a 37 MWp (30.72 MWAC) concentrator photovoltaics power station, the largest in the world when it was completed, in May 2012.[1] It is located in the sunny San Luis Valley, along with several other solar farms. It was built by Mortenson construction using 492 dual axis Amonix 7700 panels each of which contains 7,560 fresnel lens[2] to concentrate sunlight 500 times, and multi-junction solar cells, allowing a greater efficiency than other photovoltaic power plants. It uses all three of the methods available to increase efficiency—dual-axis tracking, concentrating photovoltaics, and multi-junction cells. The systems are certified for operation for 50 years, but the multi-junction cells will need to be replaced in 25 years.[3] The output is being sold to Public Service of Colorado, a subsidiary of Xcel Energy, under a long term Power Purchase Agreement.

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