Power plants in Hidalgo County, Texas

30 operating power plants in Hidalgo County, Texas, with 3,427 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

Nameplate capacity

3,427 MW

Net generation, 2025

8.34 TWh

27 of 30 plants reported

Largest

Magic Valley Generating Station

801 MW

Largest power plants in Hidalgo County

#	Plant	MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Magic Valley Generating StationNatural gas	801	2,229	31.8%	Calpine Corp-Magic Valley
2	Hidalgo Energy CenterNatural gas	551	2,721	56.4%	Calpine Corp - Hidalgo
3	Frontera Energy CenterNatural gas	529	1,959	42.3%	Frontera Generation Limited Partnership
4	Hidalgo Wind Farm LLCWind	250	815	37.2%	Hidalgo Wind Farm LLC
5	Monte Cristo 1Wind	239	168*	–	Terra-Gen Operating Co-Wind
6	Red Gate Power PlantNatural gas	224	366	18.6%	South Texas Electric Coop, Inc
7	Anemoi Energy StorageBattery storage	200	−28.2	–	Anemoi Energy Storage, LLC
8	Madero GridBattery storage	100	−14.9	–	Madero Grid, LLC
9	Ignacio Grid Energy Storage SystemBattery storage	100	−14.8	–	Ignacio Grid, LLC
10	Great Kiskadee StorageBattery storage	100	−7.2*	–	Great Kiskadee Storage, LLC
11	Carambola BESSBattery storage	98	–	–	Carambola BESS LLC
12	Lower Rio Energy StorageBattery storage	60	−1.8*	–	VESI 38 LLC
13	Hidalgo Wind Farm IIWind	50	153	34.6%	Hidalgo Wind Farm II LLC
14	SMT Mercedes LLCBattery storage	10	−0.3	–	SMT Mercedes LLC
15	SMT Mission LLCBattery storage	10	−0.3	–	SMT Mission LLC
16	SMT Alamo LLCBattery storage	10	−0.3	–	SMT Alamo LLC
17	SMT Elsa LLCBattery storage	10	−0.3	–	SMT Elsa LLC
18	SME Mission II BESSBattery storage	10	−0.3	–	SMT Mission II LLC
19	Val VerdeBattery storage	9.9	−0.2	–	HEN Infrastructure, L.L.C.
20	Citrus City BESSBattery storage	9.9	−0.6	–	Prologis Logistics Services Incorporated BESS
21	Regis Monte Cristo LLCBattery storage	9.9	−0.2	–	Regis Monte Cristo LLC
22	Palmview BESSBattery storage	9.9	–	–	Marubeni Power International, Inc.
23	SE Edinburg BESSBattery storage	9.9	–	–	Marubeni Power International, Inc.
24	Citrus CityOil	9.0	0.1	0.1%	Power Depot Group A, LLC
25	Ridge RdOil	9.0	0.1	0.2%	Power Depot Group A, LLC
26	WAL452Natural gas	1.2	0.4	3.3%	Walmart Stores Texas, LLC
27	WAL3320Natural gas	1.2	0.4	3.4%	Walmart Stores Texas, LLC
28	WAL3886Natural gas	1.2	0.3	3.2%	Walmart Stores Texas, LLC
29	WAL5165Natural gas	1.2	0.3	3.0%	Walmart Stores Texas, LLC
30	HEB00038Natural gas	1.2	0.2	1.8%	Texas Microgrid, LLC

* Fewer than 12 months of 2025 reported, so the total is partial.

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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