Query
Maddox
Type
Entity Briefing
Entity
Maddox
Generated
2026-10-17T14:50:40.845Z

Briefing on Maddox

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
212 MW
Capacity
Operating
Current status
1963
Operating since
3
Generators
30.8%
Capacity factor
572 GWh
Annual generation
Briefing/plantOperating

Maddox is a 212 MW Natural Gas Fired Combustion Turbine asset in SPP (Southwest Power Pool), currently Operating.

Maddox is reported in New Mexico since 1963 under Xcel Energy. Available operating and financial measures include 30.8% capacity factor and 572 GWh annual generation; $965/kW reported CapEx.

Location
Lea, New Mexico
Technology
Natural Gas Fired Combustion Turbine, Natural Gas Steam Turbine
Owner / parent
Xcel Energy
Operator
Southwestern Public Service Co
Grid
SPP (Southwest Power Pool)
Plant ID
2446

What stands out

1

Maddox is a 212 MW Natural Gas Fired Combustion Turbine asset in New Mexico with status Operating.

2

Latest annual operating measures report 30.8% capacity factor and 572 GWh annual generation.

3

Available financial measures include $965/kW CapEx.

4

Latest linked story: “Xcel Energy Plans Power Buildout in Texas, New Mexico” (Industrial Info Resources, 2025-12-11).

Market and operating context

ISO / market
SPP (Southwest Power Pool)
Balancing authority
Southwest Power Pool
NERC region
MRO
State rank
#7 of 20
National rank
#761 of 2,025

Why it matters

For this asset in SPP (Southwest Power Pool), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.