SPS4 Monument
Solar power plant in Lea County, New Mexico. 10.1 MW of nameplate capacity across 1 generator, operated by SunE SPS4, LLC.
Also known as SunE SPS4 Monument Solar Farm · EIA plant 57739
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 10.1 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2011First generator online
- Operator
- SunE SPS4, LLCEIA operator ID 57059
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Lea County, NM32.6819, −103.3036
- EIA plant ID
- 57739EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power SPS4 Monument produces
Free · EIA-923Net generation, 2025
21.9 GWh
21,854 MWh, final
Capacity factor, 2025
24.7%
2024: 25.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
12.6–22.9
GWh a year. Low 2016, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | 1,035 | Not reported | 12 of 12 |
| 2012 | 24,234 | 27.3% | 12 of 12 |
| 2013 | 24,312 | 27.5% | 12 of 12 |
| 2014 | 23,198 | 26.2% | 12 of 12 |
| 2015 | 22,368 | 25.3% | 12 of 12 |
| 2016 | 12,616 | 14.2% | 12 of 12 |
| 2017 | 16,493 | 18.6% | 12 of 12 |
| 2018 | 20,382 | 23.0% | 12 of 12 |
| 2019 | 20,615 | 23.3% | 12 of 12 |
| 2020 | 22,474 | 25.3% | 12 of 12 |
| 2021 | 21,989 | 24.9% | 12 of 12 |
| 2022 | 22,266 | 25.2% | 12 of 12 |
| 2023 | 22,319 | 25.2% | 12 of 12 |
| 2024 | 22,858 | 25.8% | 12 of 12 |
| 2025 | 21,854 | 24.7% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · SPPEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Solar Photovoltaic | 10.1 | December 2011 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists SunE SPS4, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about SPS4 Monument
How much power does SPS4 Monument produce?
SPS4 Monument reported 21,854 MWh (21.9 GWh) of net generation in 2025, a 24.7% capacity factor on 10.1 MW of nameplate capacity.
Where is SPS4 Monument?
SPS4 Monument is in Lea County, New Mexico, at 32.6819, −103.3036. It is in the Southwest Power Pool balancing area (SWPP).
Who operates SPS4 Monument?
EIA-860M for August 2026 lists SunE SPS4, LLC as the operator (EIA operator ID 57059). The operator is not always the owner.
When did SPS4 Monument start operating?
Its first generator began operating in December 2011, according to EIA-860M.
Does InfraMap have power prices for SPS4 Monument?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to SPS4 Monument, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page