MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/58516
EIA plant 58516

Casa Grande · Pinal · AZ

Union HS at Casa Grande

Operated by Luminace Solar Holding, LLC

Annual generation2,859 MWhSum of represented EIA-923 rows
Fuel codesSUNCodes retained from EIA records
Grid contextArizona Public Service CompanyBalancing authority or NERC region

Published location

Where is Union HS at Casa Grande?

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

32.936944, -111.738611

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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.

2024 monthly net generation

MonthNet generation
1174 MWh
2204 MWh
3205 MWh
4285 MWh
5253 MWh
6256 MWh
7300 MWh
8298 MWh
9280 MWh
10238 MWh
11192 MWh
12174 MWh

Operating generators

IDTechnologyFuelMWStatus
PV1Solar PhotovoltaicSUN1.6OP

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Identity, technology and limitations
EIA plant ID
58516
Sector
IPP Non-CHP
Water source
Unavailable
Data edition
2024-final