Query
Red Rock Hydro Plant
Type
Entity Briefing
Entity
Red Rock Hydro Plant
Technology
hydro
Generated
2026-10-19T14:52:12.587Z

Briefing on Red Rock Hydro Plant

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
55 MW
Capacity
Operating
Current status
2021
Operating since
2
Generators
36.8%
Capacity factor
179 GWh
Annual generation
Briefing/plantOperating

Red Rock Hydro Plant is a 55 MW Conventional Hydroelectric asset in MISO (Midcontinent), currently Operating.

Red Rock Hydro Plant is reported in Iowa since 2021 under Missouri River Energy Services. Available operating and financial measures include 36.8% capacity factor and 179 GWh annual generation; $1415/kW reported CapEx.

Location
Marion, Iowa
Technology
Conventional Hydroelectric
Owner / parent
Missouri River Energy Services
Operator
Western Minnesota Mun Pwr Agny
Grid
MISO (Midcontinent)
Plant ID
58434

What stands out

1

Red Rock Hydro Plant is a 55 MW Conventional Hydroelectric asset in Iowa with status Operating.

2

Latest annual operating measures report 36.8% capacity factor and 179 GWh annual generation.

3

Available financial measures include $1415/kW CapEx.

4

Latest linked story: “Red Rock Hydroelectric Project: Successfully Generating New Power from a Pre-Existing Dam” (POWER Magazine, 2021-09-01).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
MRO
State rank
#2 of 4
National rank
#281 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.