Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/57997
EIA plant 57997
Yuma · Yuma · AZ
Foothills Solar Plant Hybrid
Operated by Arizona Public Service Co
Published location
Where is Foothills Solar Plant Hybrid?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
32.648560, -114.428741
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the AZ plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
15,494
26,085
38,559
410,146
511,665
610,727
79,879
89,600
98,503
106,562
115,742
124,840
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 5,494 |
| 2 | 6,085 |
| 3 | 8,559 |
| 4 | 10,146 |
| 5 | 11,665 |
| 6 | 10,727 |
| 7 | 9,879 |
| 8 | 9,600 |
| 9 | 8,503 |
| 10 | 6,562 |
| 11 | 5,742 |
| 12 | 4,840 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 5,494 MWh |
| 2 | 6,085 MWh |
| 3 | 8,559 MWh |
| 4 | 10,146 MWh |
| 5 | 11,665 MWh |
| 6 | 10,727 MWh |
| 7 | 9,879 MWh |
| 8 | 9,600 MWh |
| 9 | 8,503 MWh |
| 10 | 6,562 MWh |
| 11 | 5,742 MWh |
| 12 | 4,840 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| FH38M | Batteries | MWH | 35 | OP |
| PV2 | Solar Photovoltaic | SUN | 20 | OP |
| PV1 | Solar Photovoltaic | SUN | 18 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
57997
Sector
Electric Utility
Water source
Unavailable
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Foothills Solar Plant Hybrid power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Foothills Solar Plant Hybrid
Variation in the published months
Across 12 numeric monthly generation entries, 5 has the highest recorded value (11,665 MWh) and 12 the lowest (4,840 MWh). Their difference is 6,825 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 3 numeric rows displayed in this table, MW ranges from 18 (PV1) to 35 (FH38M). The difference is 17 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| FH38M | Batteries | 35.0 | 35.0 | 35.0 | Not supplied |
| PV1 | Solar Photovoltaic | 18.0 | 18.0 | 18.0 | Not supplied |
| PV2 | Solar Photovoltaic | 20.0 | 20.0 | 20.0 | Not supplied |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.