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19 MW Solar operating in Alamosa, CO — Public Service Company of Colorado
19 MW
Nameplate Capacity
2
Generators
units
Solar Photovoltaic
Technology
2010
Operating Since
Coordinates
37.6855, -105.8909
County
Alamosa, CO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Greater Sandhill I LLC | Greater Sandhill I | — |
| Owner(s) | Greater Sandhill I LLC | — | — |
| Status | Operating | operating | — |
The Greater Sandhill Solar Plant is a 19 megawatt (MWAC) photovoltaic power station in the San Luis Valley, located near the town of Mosca, Colorado. It was the largest solar facility in the state when it came online at the end of 2010. The electricity is being sold to Public Service of Colorado, a subsidiary of Xcel Energy, under a long-term power purchase agreement.
Read more on WikipediaGreater Sandhill I is a 19 MW solar photovoltaic power plant located in Alamosa County, Colorado. The plant, which began operating in 2010, is owned and operated by Greater Sandhill I LLC. It utilizes single-axis tracking technology across its two solar generators. Greater Sandhill I ranks as the 27th largest power plant in Colorado out of 177, and 1596th nationally out of 7108. The plant operates within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is the Public Service Company of Colorado.
In its most recent year of operation, Greater Sandhill I generated 43,350 MWh of electricity, achieving a capacity factor of 26.1%. The plant has available financial data, including a reported power purchase agreement (PPA) price of $171.94 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL).
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
2.5K MWh
Latest Month
43.4K MWh
Annual Generation
26.1%
Capacity Factor
Data from 2010–2024
$15.4/MWh
Energy Value
$25.1/MWh
Capacity Value
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-14
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ask pi about Greater Sandhill IPublic Service Company of Colorado (PSCO)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP