MWPowerPlantFacts

Data last collected:

EIA plant 6515

Nogales · Santa Cruz · AZ

Valencia

Operated by UNS Electric, Inc

Annual generation4,779 MWhSum of represented EIA-923 rows
Fuel codesNGCodes retained from EIA records
Grid contextTucson Electric Power CompanyBalancing authority or NERC region

Published location

Where is Valencia?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

31.363472, -110.931343

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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

TechnologyNatural Gas Fired Combustion Turbine108 MW represented

Grouped from this plant’s represented generator records. Use the AZ plant index for regional peers.

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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.

1321.63
2267.27
3264.32
4303.22
5337.23
6453.77
7572.72
8563.38
9477.2
10490.57
11345.69
12382

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
Electricity output across the year — MWh net generation
RecordMWh net generation
1321.63
2267.27
3264.32
4303.22
5337.23
6453.77
7572.72
8563.38
9477.2
10490.57
11345.69
12382

2024 monthly net generation

MonthNet generation
1322 MWh
2267 MWh
3264 MWh
4303 MWh
5337 MWh
6454 MWh
7573 MWh
8563 MWh
9477 MWh
10491 MWh
11346 MWh
12382 MWh

Operating generators

IDTechnologyFuelMWStatus
GT4Natural Gas Fired Combustion TurbineNG54OP
GT1Natural Gas Fired Combustion TurbineNG18SB
GT2Natural Gas Fired Combustion TurbineNG18SB
GT3Natural Gas Fired Combustion TurbineNG18SB

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
6515
Sector
Electric Utility
Water source
Unavailable
Data edition
2024-final

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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 Valencia power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

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03What should I verify next?

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A closer look at Valencia

Variation in the published months

Across 12 numeric monthly generation entries, 7 has the highest recorded value (573 MWh) and 3 the lowest (264 MWh). Their difference is 309 MWh. Missing months have not been treated as zero.

Reading the MW column

In the 4 numeric rows displayed in this table, MW ranges from 18 (GT1, GT2, GT3) to 54 (GT4). The difference is 36 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 IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
GT1Natural Gas Fired Combustion Turbine18.013.514.88.0
GT2Natural Gas Fired Combustion Turbine18.013.514.88.0
GT3Natural Gas Fired Combustion Turbine18.013.514.88.0
GT4Natural Gas Fired Combustion Turbine54.019.821.25.0

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.

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