Query
Green Power 2
Type
Entity Briefing
Entity
Green Power 2
Generated
2026-10-11T04:32:18.272Z

Briefing on Green Power 2

Entity Briefing
Generated Oct 11, 2026·Dataset freshness not reported
861 MW
Capacity
Operating
Current status
2003
Operating since
5
Generators
51.2%
Capacity factor
3861 GWh
Annual generation
Briefing/plantOperating

Green Power 2 is a 861 MW Natural Gas Fired Combined Cycle asset in ERCOT (Texas), currently Operating.

Green Power 2 is reported in Texas since 2003 under Marathon Petroleum. Available operating and financial measures include 51.2% capacity factor and 3861 GWh annual generation; $965/kW reported CapEx.

Location
Galveston, Texas
Technology
Natural Gas Fired Combined Cycle
Owner / parent
Marathon Petroleum
Operator
South Houston Green Power LLC
Grid
ERCOT (Texas)
Plant ID
55470

What stands out

1

Green Power 2 is a 861 MW Natural Gas Fired Combined Cycle asset in Texas with status Operating.

2

Latest annual operating measures report 51.2% capacity factor and 3861 GWh annual generation.

3

Available financial measures include $965/kW CapEx.

4

Latest linked story: “Enel Green Power pairs renewable energy with storage, adding grid resiliency in Texas” (Enel Green Power, 2021-12-21).

Market and operating context

ISO / market
ERCOT (Texas)
Balancing authority
Electric Reliability Council of Texas, Inc.
NERC region
TRE
State rank
#39 of 325
National rank
#228 of 2,025

Why it matters

For this asset in ERCOT (Texas), 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.