Query
Lake Catherine
Type
Entity Briefing
Entity
Lake Catherine
Generated
2026-10-18T02:47:10.897Z

Briefing on Lake Catherine

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
553 MW
Capacity
Operating
Current status
1970
Operating since
1
Generators
6.1%
Capacity factor
300 GWh
Annual generation
Briefing/plantOperating

Lake Catherine is a 553 MW Natural Gas Steam Turbine asset in MISO (Midcontinent), currently Operating.

Lake Catherine is reported in Arkansas since 1970 under Entergy. Available operating and financial measures include 6.1% capacity factor and 300 GWh annual generation; $130/kW reported CapEx.

Location
Hot Spring, Arkansas
Technology
Natural Gas Steam Turbine
Owner / parent
Entergy
Operator
Entergy Arkansas LLC
Grid
MISO (Midcontinent)
Plant ID
170

What stands out

1

Lake Catherine is a 553 MW Natural Gas Steam Turbine asset in Arkansas with status Operating.

2

Latest annual operating measures report 6.1% capacity factor and 300 GWh annual generation.

3

Available financial measures include $88.7/MWh OpEx, $130/kW CapEx.

4

Latest linked story: “Entergy Arkansas starts construction on 446MW Ironwood Power Station” (Power Technology, 2026-08-21).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
SERC
State rank
#7 of 20
National rank
#461 of 2,025

Why it matters

For this asset in MISO (Midcontinent), 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.