Query
Hennepin Island
Type
Entity Briefing
Entity
Hennepin Island
State
RI
Generated
2026-10-18T18:30:52.985Z

Briefing on Hennepin Island

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
14 MW
Capacity
Operating
Current status
1954
Operating since
5
Generators
39.2%
Capacity factor
47 GWh
Annual generation
Briefing/plantOperating

Hennepin Island is a 14 MW Conventional Hydroelectric asset in MISO (Midcontinent), currently Operating.

Hennepin Island is reported in Minnesota since 1954 under Northern States Power Co - Minnesota. Available operating and financial measures include 39.2% capacity factor and 47 GWh annual generation.

Location
Hennepin, Minnesota
Technology
Conventional Hydroelectric
Owner / parent
Northern States Power Co - Minnesota
Operator
Northern States Power Co - Minnesota
Grid
MISO (Midcontinent)
Plant ID
1911

What stands out

1

Hennepin Island is a 14 MW Conventional Hydroelectric asset in Minnesota with status Operating.

2

Latest annual operating measures report 39.2% capacity factor and 47 GWh annual generation.

3

Available financial measures include $18.4/MWh OpEx.

4

Latest linked story: “Photos: A rare glimpse inside the Hennepin Island Powerhouse” (MPR News, 2019-05-16).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
MRO
State rank
#5 of 23
National rank
#570 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.