Query
Osage Dam
Type
Entity Briefing
Entity
Osage Dam
Generated
2026-10-17T10:54:52.667Z

Briefing on Osage Dam

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
208 MW
Capacity
Operating
Current status
1931
Operating since
8
Generators
27.2%
Capacity factor
497 GWh
Annual generation
Briefing/plantOperating

Osage Dam is a 208 MW Conventional Hydroelectric asset in MISO (Midcontinent), currently Operating.

Osage Dam is reported in Missouri since 1931 under Ameren. Available operating and financial measures include 27.2% capacity factor and 497 GWh annual generation; $804/kW reported CapEx.

Location
Miller, Missouri
Technology
Conventional Hydroelectric
Owner / parent
Ameren
Operator
Union Electric Co - (MO)
Grid
MISO (Midcontinent)
Plant ID
2106

What stands out

1

Osage Dam is a 208 MW Conventional Hydroelectric asset in Missouri with status Operating.

2

Latest annual operating measures report 27.2% capacity factor and 497 GWh annual generation.

3

Available financial measures include $11.5/MWh OpEx, $804/kW CapEx.

4

Latest linked story: “Inside Bagnell Dam: A Rare Look During A Once-In-A-Lifetime Upgrade” (LakeExpo.com, 2026-01-26).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
SERC
State rank
#2 of 8
National rank
#90 of 1,462

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.