Pima County, Arizona — Interconnection Projects

The interXdata warehouse tracks 113 interconnection projects in Pima, Arizona, representing 12,951 MW of requested capacity.

113Total projects

3Active

59Operational

51Withdrawn

12,951 MWRequested capacity

Technology mix

Technology	Projects	Requested capacity
Battery	25	3,994 MW
Solar+Battery	16	3,880 MW
Solar+Wind+Battery	3	2,150 MW
Solar	44	1,459 MW
Gas	23	1,168 MW
Other	2	300 MW

Projects

Project	Queue ID	Technology	Capacity	Status	Location
West Queue Project 156 — Solar+Wind+Battery in Pima, Arizona	156	Solar+Wind+Battery	1,000.0 MW	withdrawn	Pima, Arizona
West Queue Project 157 — Solar+Wind+Battery in Pima, Arizona	157	Solar+Wind+Battery	1,000.0 MW	withdrawn	Pima, Arizona
West Queue Project 94 — Solar+Battery in Pima, Arizona	94	Solar+Battery	555.0 MW	withdrawn	Pima, Arizona
West Queue Project 114 — Solar+Battery in Pima, Arizona	114	Solar+Battery	500.0 MW	withdrawn	Pima, Arizona
West Queue Project 153 — Battery in Pima, Arizona	153	Battery	500.0 MW	withdrawn	Pima, Arizona
West Queue Project 128 — Solar+Battery in Pima, Arizona	128	Solar+Battery	450.0 MW	withdrawn	Pima, Arizona
West Queue Project 90 — Solar+Battery in Pima, Arizona	90	Solar+Battery	400.0 MW	active	Pima, Arizona
West Queue Project 64 — Solar+Battery in Pima, Arizona	64	Solar+Battery	300.0 MW	withdrawn	Pima, Arizona
West Queue Project 101 — Battery in Pima, Arizona	101	Battery	250.0 MW	withdrawn	Pima, Arizona
West Queue Project 129 — Solar+Battery in Pima, Arizona	129	Solar+Battery	250.0 MW	withdrawn	Pima, Arizona
West Queue Project 102 — Battery in Pima, Arizona	102	Battery	250.0 MW	withdrawn	Pima, Arizona
West Queue Project 53 — Gas in Pima, Arizona	53	Gas	226.0 MW	withdrawn	Pima, Arizona
Serrano	67503_GEN02	Battery	213.8 MW	operational	Pima, Arizona
West Queue Project 43 — Gas in Pima, Arizona	43	Gas	206.0 MW	withdrawn	Pima, Arizona
West Queue Project 142 — Battery in Pima, Arizona	142	Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 83 — Solar+Battery in Pima, Arizona	83	Solar+Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 152 — Battery in Pima, Arizona	152	Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 139 — Solar+Battery in Pima, Arizona	139	Solar+Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 63 — Solar+Battery in Pima, Arizona	63	Solar+Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 140 — Solar+Battery in Pima, Arizona	140	Solar+Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 127 — Battery in Pima, Arizona	127	Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 135 — Battery in Pima, Arizona	135	Battery	200.0 MW	withdrawn	Pima, Arizona
Roadrunner Reserve Phase 2	68937_RDR2	Battery	200.0 MW	operational	Pima, Arizona
West Queue Project 136 — Battery in Pima, Arizona	136	Battery	200.0 MW	withdrawn	Pima, Arizona
Roadrunner Reserve Phase 1	67905_RDR1	Battery	200.0 MW	operational	Pima, Arizona
West Queue Project 49 — Solar in Pima, Arizona	49	Solar	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 160 — Battery in Pima, Arizona	160	Battery	200.0 MW	withdrawn	Pima, Arizona
West Queue Project 109 — Other in Pima, Arizona	109	Other	200.0 MW	active	Pima, Arizona
H Wilson Sundt Generating Station	126_4	Gas	173.3 MW	operational	Pima, Arizona
Serrano	67503_GEN01	Solar	170.0 MW	operational	Pima, Arizona
West Queue Project 89 — Solar+Battery in Pima, Arizona	89	Solar+Battery	150.0 MW	withdrawn	Pima, Arizona
West Queue Project 133 — Battery in Pima, Arizona	133	Battery	150.0 MW	withdrawn	Pima, Arizona
West Queue Project 134 — Battery in Pima, Arizona	134	Battery	150.0 MW	withdrawn	Pima, Arizona
West Queue Project 113 — Solar+Battery in Pima, Arizona	113	Solar+Battery	150.0 MW	withdrawn	Pima, Arizona
West Queue Project 170 — Battery in Pima, Arizona	170	Battery	150.0 MW	withdrawn	Pima, Arizona
West Queue Project 151 — Solar+Wind+Battery in Pima, Arizona	151	Solar+Wind+Battery	150.0 MW	withdrawn	Pima, Arizona
Wilmot Energy Center LLC	64426_WIL	Solar	130.0 MW	operational	Pima, Arizona
West Queue Project 60 — Solar+Battery in Pima, Arizona	60	Solar+Battery	125.0 MW	withdrawn	Pima, Arizona
H Wilson Sundt Generating Station	126_ST3	Gas	113.6 MW	operational	Pima, Arizona
West Queue Project 137 — Battery in Pima, Arizona	137	Battery	100.0 MW	withdrawn	Pima, Arizona
West Queue Project 61 — Solar+Battery in Pima, Arizona	61	Solar+Battery	100.0 MW	withdrawn	Pima, Arizona
West Queue Project 130 — Battery in Pima, Arizona	130	Battery	100.0 MW	withdrawn	Pima, Arizona
Wilmot Energy Center II	69254_WIL2B	Battery	100.0 MW	operational	Pima, Arizona
West Queue Project 138 — Battery in Pima, Arizona	138	Battery	100.0 MW	withdrawn	Pima, Arizona
West Queue Project 131 — Battery in Pima, Arizona	131	Battery	100.0 MW	withdrawn	Pima, Arizona
Wilmot Energy Center II	69254_WIL2S	Solar	100.0 MW	operational	Pima, Arizona
West Queue Project 116 — Other in Pima, Arizona	116	Other	100.0 MW	active	Pima, Arizona
West Queue Project 144 — Battery in Pima, Arizona	144	Battery	100.0 MW	withdrawn	Pima, Arizona
West Queue Project 55 — Solar in Pima, Arizona	55	Solar	100.0 MW	withdrawn	Pima, Arizona
Demoss Petrie	124_GT2	Gas	85.0 MW	operational	Pima, Arizona
West Queue Project 66 — Solar+Battery in Pima, Arizona	66	Solar+Battery	80.0 MW	withdrawn	Pima, Arizona
West Queue Project 79 — Solar in Pima, Arizona	79	Solar	80.0 MW	withdrawn	Pima, Arizona
West Queue Project 47 — Solar in Pima, Arizona	47	Solar	80.0 MW	withdrawn	Pima, Arizona
West Queue Project 71 — Solar in Pima, Arizona	71	Solar	80.0 MW	withdrawn	Pima, Arizona
West Queue Project 85 — Solar in Pima, Arizona	85	Solar	80.0 MW	withdrawn	Pima, Arizona
West Queue Project 148 — Battery in Pima, Arizona	148	Battery	80.0 MW	withdrawn	Pima, Arizona
West Queue Project 46 — Solar in Pima, Arizona	46	Solar	80.0 MW	withdrawn	Pima, Arizona
West Queue Project 51 — Solar in Pima, Arizona	51	Solar	54.0 MW	withdrawn	Pima, Arizona
West Queue Project 48 — Solar in Pima, Arizona	48	Solar	50.0 MW	withdrawn	Pima, Arizona
Wilmot Energy Center LLC	64426_WILBA	Battery	30.0 MW	operational	Pima, Arizona

Top developers

Developer (canonical)	Projects	Capacity
TEP	1	200 MW

Explore related data

Source last checked2026-07-31

Data last materially changed2026-08-27

Page data generated2026-08-27

Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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