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Magic Valley Generating Station — Power plant · Gas, combined cycle · Calpine Corp-Magic ValleyNorth Edinburg BESS 1 — Under construction · Storage · TX · 10 MW · 0.5 mi awayGunnar Reliability Project — Built · Storage · TX · 154.8 MW · 3.1 mi awayJerboa Storage — Postponed · Storage · TX · 200 MW · 9.1 mi away
  • Combustion
  • Storage
  • Under construction
  • Operating
  • 10 · 100 · 1,000 MW

Magic Valley Generating Station

Power plant · Gas, combined cycle

Key facts

Power plant · Gas, combined cycleran 32% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2002
Net generation, 2025
2,229,133 MWh
Grid
138 kV to AEP Texas Central Company (ERCO)
Location
Hidalgo County, Texas

Output

Net generation MWh by year, 2001 to 2026
Fuel burned MMBtu by year, 2001 to 2026
  • Gas

Operations detail

Details

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Technology
Gas, combined cycle source: “Natural Gas Fired Combined Cycle”
Age
24 years since 2002
Unused energy
4,788 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate
7,935 Btu/kWh 2025
All 8 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Gem
Parents
Name
Constellation Energy Corp
Share pct
100
Gem entity id
E100001000208
Unit ids
G100000401805
Location id
L100000401763
Eia plant ids
55123
Grid
Nerc region
TRE
Report year
2025
Grid voltage kv
138
Transmission owner
AEP Texas Central Company
Balancing authority code
ERCO
Balancing authority name
Electric Reliability Council of Texas, Inc.
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110006360446
Subparts reported
D
NAICS code
221112
Subpart PP (CO2 supply)
No
Subpart RR (geologic sequestration)
No
Subpart UU (CO2 injection)
No
Reporting year
2023
GHGRP facility ID
1001325
Fuel burned (MMBtu), 202517,687,869
Capacity factor, 20250.318
Heat rate (Btu/kWh), 20257,934.9
Net generation (MWh), 20252,229,133
Balancing authority codeERCO

Ownership

2 companies2
Companies with an ownership or operating interest in this asset.
CompanyRoleShareAs ofSource
Calpine Corp-Magic Valley Operator EIA-860M
CPN MANAGEMENT LP Owner 100.0% Dec 31, 2023 EPA GHGRP

Timeline

  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · GEM · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)

Sources

Every source and license · Attribution

View at source

Around this plant

Nearby

within 15 mi
Projects within 15 mi, nearest first.
ProjectKindAwayMW
North Edinburg BESS 1 Under construction Storage 0.5 mi 10
Gunnar Reliability Project Built Storage 3.1 mi 154.8
Jerboa Storage Postponed Storage 9.1 mi 200

Sources EIA-860M · ERCOT

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026
  • ERCOTOpen license · retrieved Nov 4, 2026

Attribution