Query
Garrison
Type
Entity Briefing
Entity
Garrison
Generated
2026-10-19T07:48:02.624Z

Briefing on Garrison

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
583 MW
Capacity
Operating
Current status
1956
Operating since
5
Generators
40.3%
Capacity factor
2061 GWh
Annual generation
Briefing/plantOperating

Garrison is a 583 MW Conventional Hydroelectric asset in SPP (Southwest Power Pool), currently Operating.

Garrison is reported in North Dakota since 1956 under USACE-Omaha. Available operating and financial measures include 40.3% capacity factor and 2061 GWh annual generation; $2294/kW reported CapEx.

Location
Mercer, North Dakota
Technology
Conventional Hydroelectric
Owner / parent
USACE-Omaha
Operator
USACE-Omaha
Grid
SPP (Southwest Power Pool)
Plant ID
2815

What stands out

1

Garrison is a 583 MW Conventional Hydroelectric asset in North Dakota with status Operating.

2

Latest annual operating measures report 40.3% capacity factor and 2061 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

4

Latest linked story: “Garrison Dam tour highlights coming modifications” (minotdailynews.com, 2024-10-12).

Market and operating context

ISO / market
SPP (Southwest Power Pool)
Balancing authority
Southwest Power Pool
NERC region
MRO
State rank
#1 of 1
National rank
#44 of 1,462

Why it matters

For this asset in SPP (Southwest Power Pool), 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.