Query
Castle Bluff Energy Center
Type
Entity Briefing
Entity
Castle Bluff Energy Center
Generated
2026-10-09T10:23:03.616Z

Briefing on Castle Bluff Energy Center

Entity Briefing
Generated Oct 9, 2026·Dataset freshness not reported
648 MW
Capacity
Planned
Current status
3
Generators
Briefing/plantPlanned

Castle Bluff Energy Center is a 648 MW Natural Gas Fired Combustion Turbine asset in MISO (Midcontinent), currently Planned.

Castle Bluff Energy Center is reported in Missouri under Union Electric Co - (MO). Available operating and financial measures include $782/kW reported CapEx.

Location
St Louis, Missouri
Technology
Natural Gas Fired Combustion Turbine
Owner / parent
Union Electric Co - (MO)
Operator
Union Electric Co - (MO)
Grid
MISO (Midcontinent)
Plant ID
67576

What stands out

1

Castle Bluff Energy Center is a 648 MW Natural Gas Fired Combustion Turbine asset in Missouri with status Planned.

2

Available financial measures include $782/kW CapEx.

3

Latest linked story: “Regulators approve Ameren Missouri’s Castle Bluff Energy Center” (Daily Energy Insider, 2026-04-28).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
SERC
State rank
#4 of 40
National rank
#376 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.

Castle Bluff Energy Center — verified asset snapshot

FieldValue
LocationSt Louis, Missouri
TechnologyNatural Gas Fired Combustion Turbine
Owner / parentUnion Electric Co - (MO)
OperatorUnion Electric Co - (MO)
GridMISO (Midcontinent)
Plant ID67576
ISO / marketMISO (Midcontinent)
Balancing authorityMidcontinent Independent Transmission System Operator, Inc..