Query
Grant County
Type
Entity Briefing
Entity
Grant County
Generated
2026-10-17T21:11:22.450Z

Briefing on Grant County

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
300 MW
Capacity
Operating
Current status
2024
Operating since
2
Generators
14.3%
Capacity factor
376 GWh
Annual generation
Briefing/plantOperating

Grant County is a 300 MW Batteries asset in MISO (Midcontinent), currently Operating.

Grant County is reported in Wisconsin since 2024 under Alliant Energy. Available operating and financial measures include 14.3% capacity factor and 376 GWh annual generation; $1411/kW reported CapEx.

Location
Grant, Wisconsin
Technology
Batteries, Solar Photovoltaic
Owner / parent
Alliant Energy
Operator
Wisconsin Power & Light Co
Grid
MISO (Midcontinent)
Plant ID
65007

What stands out

1

Grant County is a 300 MW Batteries asset in Wisconsin with status Operating.

2

Latest annual operating measures report 14.3% capacity factor and 376 GWh annual generation.

3

Available financial measures include $2.8/MWh OpEx, $1411/kW CapEx.

4

Latest linked story: “New 100 MW battery now storing and releasing energy in Grant County, Wisconsin” (Renewable Energy Magazine, 2025-10-17).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
MRO
State rank
#4 of 132
National rank
#148 of 7,971

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.