Arizona Public Service Company

Balancing Authority Summary Information

Arizona Public Service Company is ranked #27 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing Authority	Arizona Public Service Company
States	Arizona New Mexico
Last Update	May 2025
Annual Generation	22.9 TWh
Power Plants	75
Utilities	42
Ranked #27 out of 65 in terms of net annual generation
Ranked #27 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 42.5% Coal \| 28.9% Solar \| 16.4% Wind \| 7.8% Other Fuel \| 3.6%

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Daily Net Generation for Arizona Public Service Company for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Arizona State University CHP	Energy Center Phoenix LLC	Tempe, AZ	43 GWh	Mar 2006	Mar 2025	Natural Gas
Arizona Western College PV	AES Distributed Energy	Yuma, AZ	6 GWh	Oct 2011	Dec 2023	Solar
Arlington Valley Solar Energy II	Arevon Energy, Inc.	Arlington, AZ	349 GWh	Mar 2013	Dec 2023	Solar
AZ State University - Tempe Campus Solar	Arizona State University FDM	Tempe, AZ	3 GWh	Nov 2003	Dec 2023	Solar
Badger 1	Desert Sky Solar LLC	Tonopah, AZ	33 GWh	Oct 2013	Dec 2023	Solar
Black Mountain Solar LLC	Duke Energy Renewables Services	Golden Valley, AZ	20 GWh	Nov 2012	Dec 2023	Solar
Buckeye Union HS District 201	Luminace Solar Arizona, LLC	Buckeye, AZ	6 GWh	Nov 2011	Dec 2023	Solar
Chevelon Butte Phase 2	AES Clean Energy	Winslow, AZ	453 GWh	-	Mar 2025	Wind
Chevelon Butte Wind Farm	AES Clean Energy	Winslow, AZ	614 GWh	Apr 2023	Mar 2025	Wind
Chino Solar Valley	Arizona Public Service Co	Chino Valley, AZ	26 GWh	Nov 2012	Dec 2023	Solar
Cholla	Arizona Public Service Co	Joseph City, AZ	1 TWh	Apr 1962	Mar 2025	Subbituminous Coal : 99.9%
Cotton Center Solar Hybrid	Arizona Public Service Co	Gila Bend, AZ	41 GWh	Oct 2011	Dec 2023	Solar
Desert Star Hybrid	Arizona Public Service Co	Buckeye, AZ	30 GWh	Aug 2015	Dec 2023	Solar
Douglas	Arizona Public Service Co	Douglas, AZ	90 MWh	Apr 1972	Dec 2023	Distillate Fuel Oil
Estrella Mountain PV	Tesla Inc.	Avondale, AZ	4 GWh	May 2019	Dec 2023	Solar
Foothills Solar Plant Hybrid	Arizona Public Service Co	Yuma, AZ	102 GWh	Feb 2013	Dec 2023	Solar
Four Corners	Arizona Public Service Co	Fruitland, NM	7 TWh	Jun 1969	Mar 2025	Bituminous Coal : 99.5% Natural Gas : 0.5%
Gila Bend Hybrid	Arizona Public Service Co	Gila Bend, AZ	80 GWh	Sep 2014	Dec 2023	Solar
Gilbert Solar Facility I, LLC	Gilbert Solar Facility I, LLC	Gilbert, AZ	4 GWh	Sep 2011	Dec 2023	Solar
Hyder II Hybrid	Arizona Public Service Co	Hyder, AZ	30 GWh	Nov 2013	Dec 2023	Solar
Hyder Solar Hybrid	Arizona Public Service Co	Hyder, AZ	40 GWh	Oct 2011	Dec 2023	Solar
Intel - Ocotillo Campus Solar	Tesla Inc.	Chandler, AZ	11 GWh	Nov 2017	Dec 2023	Solar
Jewish Community Center PV	AES Distributed Energy	Scottsdale, AZ	2 GWh	Aug 2012	Dec 2023	Solar
Kingman 1	Brookfield Renewable Trading and Marketing LP	Kingman, AZ	19 GWh	Aug 2011	Mar 2025	Wind : 96.0% Solar : 4.0%
Lake Pleasant WTP	MN8 Energy LLC	Peoria, AZ	14 GWh	Nov 2012	Dec 2023	Solar
Luke Solar	Arizona Public Service Co	Glendale, AZ	33 GWh	May 2015	Dec 2023	Solar
Macys Goodyear	Macys Corporate Services, Inc	Goodyear, AZ	4 GWh	Nov 2010	Dec 2022	Solar
Mesquite Solar 5, LLC	Consolidated Edison Development Inc.	Tonopah, AZ	121 GWh	Jun 2023	Mar 2025	Solar
Northwest Regional	WM Renewable Energy LLC	Surprise, AZ	18 GWh	Jul 2012	Dec 2023	Landfill Gas
Novo BioPower Plant	Novo Biopower LLC	Snowflake, AZ	176 GWh	May 2008	Dec 2023	Wood/Wood Waste Solids : 99.9%
Ocotillo	Arizona Public Service Co	Tempe, AZ	443 GWh	Feb 1960	Mar 2025	Natural Gas
Paloma Solar Hybrid	Arizona Public Service Co	Gila Bend, AZ	39 GWh	Aug 2011	Dec 2023	Solar
Paradise Valley H.S. PV	AES Distributed Energy	Phoenix, AZ	2 GWh	Dec 2012	Dec 2023	Solar
Perrin Ranch Wind LLC	Perrin Ranch Wind LLC	Williams, AZ	179 GWh	Dec 2011	Mar 2025	Wind
Phoenix Airport East Economy Lot	Solar Star Arizona II LLC	Phoenix, AZ	848 MWh	Nov 2012	Dec 2023	Solar
Phoenix Airport Rental Car Center	Solar Star Arizona II LLC	Phoenix, AZ	3 GWh	Nov 2012	Dec 2023	Solar
Poseidon Wind, LLC	Axium Arizona Renewables, LLC	Herber, AZ	107 GWh	Nov 2010	Mar 2025	Wind
Prescott Airport	Arizona Public Service Co	Prescott, AZ	3 GWh	Sep 2002	Dec 2023	Solar
Prescott Solar Plant	SunE AZ1, LLC	Prescott, AZ	23 GWh	Nov 2011	Dec 2023	Solar
RE Ajo 1 LLC	Duke Energy Renewables Services	Ajo, AZ	9 GWh	Jul 2011	Dec 2023	Solar
RE Bagdad Solar I LLC	Duke Energy Renewables Services	Bagdad, AZ	32 GWh	Nov 2011	Dec 2023	Solar
RE Gillespie 1 LLC	MN8 Energy LLC	Gila Bend, AZ	39 GWh	Nov 2013	Dec 2023	Solar
Red Rock	Arizona Public Service Co	Red Rock, AZ	73 GWh	Jan 2017	Mar 2025	Solar
Saddle Mountain Solar I	SunE AZ2, LLC	Tonopah, AZ	31 GWh	Nov 2012	Dec 2023	Solar
Saguaro	Arizona Public Service Co	Red Rock, AZ	176 GWh	Apr 1972	Dec 2023	Natural Gas
Solana Generating Station	Arizona Solar One LLC	Gila Bend, AZ	823 GWh	Sep 2013	Mar 2025	Solar
Sun Streams 3	Sun Streams PVS, LLC	Arlington, AZ	643 GWh	-	Mar 2025	Solar : 74.7% Electricity used for energy storage : 25.3%
Sun Streams 4	Sun Streams Expansion, LLC	Tonopah, AZ	61 GWh	-	Mar 2025	Solar
Union HS at Casa Grande	Luminace Solar Holding, LLC	Casa Grande, AZ	3 GWh	Nov 2012	Dec 2023	Solar
Vista Grande HS at Casa Grande	Luminace Solar Holding, LLC	Casa Grande, AZ	3 GWh	Nov 2012	Dec 2023	Solar
Walmart Casa Grande	Tesla Inc.	Casa Grande, AZ	2 GWh	May 2011	Dec 2023	Solar
West Phoenix	Arizona Public Service Co	Phoenix, AZ	4 TWh	Apr 1972	Mar 2025	Natural Gas
Yucca	Arizona Public Service Co	Yuma, AZ	296 GWh	Mar 1959	Mar 2025	Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
Yuma Cogeneration Associates	Falcon Power Operating Company	Yuma, AZ	36 GWh	Feb 1994	Jan 2025	Natural Gas
Yuma Solar + Storage	Invenergy Services LLC	Fortuna Foothills, AZ	5 GWh	-	Mar 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#55	Arlington Valley, LLC	3.3 TWh	1
#46	El Paso Electric Company	6.8 TWh	31
#48	Imperial Irrigation District	5.9 TWh	65
#32	Los Angeles Department of Water and Power	17.6 TWh	120
#22	Nevada Power Company	38.2 TWh	136
#54	New Harquahala Generating Company, LLC	3.5 TWh	1
#36	Public Service Company of New Mexico	15.0 TWh	108
#18	Salt River Project Agricultural Improvement and Power District	58.6 TWh	45
#38	Tucson Electric Power	13.7 TWh	51
#42	Western Area Power Administration - Desert Southwest Region	8.2 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#22	Nevada Power Company	38.2 TWh	136
#23	Western Area Power Administration - Rocky Mountain Region	35.7 TWh	170
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.8 TWh	20
#25	Dominion Energy South Carolina, Inc.	26.2 TWh	85
#26	Associated Electric Cooperative, Inc.	22.9 TWh	47
#27	Arizona Public Service Company	22.9 TWh	75
#28	Tampa Electric Company	21.1 TWh	57
#29	South Carolina Public Service Authority	19.3 TWh	33
#30	NorthWestern Corporation	18.9 TWh	66
#31	Gridforce Energy Management, LLC	18.7 TWh	1