Query
Lannon Stone
Type
Entity Briefing
Entity
Lannon Stone
ISO/RTO
isone
Generated
2026-10-14T21:19:04.485Z

Briefing on Lannon Stone

Entity Briefing
Generated Oct 14, 2026·Dataset freshness not reported
2 MW
Capacity
Operating
Current status
2021
Operating since
1
Generators
18.5%
Capacity factor
4 GWh
Annual generation
Briefing/plantOperating

Lannon Stone is a 2 MW Solar Photovoltaic asset in MISO (Midcontinent), currently Operating.

Lannon Stone is reported in Wisconsin since 2021 under WEC Energy Group. Available operating and financial measures include 18.5% capacity factor and 4 GWh annual generation; $1633/kW reported CapEx.

Location
Waukesha, Wisconsin
Technology
Solar Photovoltaic
Owner / parent
WEC Energy Group
Operator
Wisconsin Electric Power Co
Grid
MISO (Midcontinent)
Plant ID
67430

What stands out

1

Lannon Stone is a 2 MW Solar Photovoltaic asset in Wisconsin with status Operating.

2

Latest annual operating measures report 18.5% capacity factor and 4 GWh annual generation.

3

Available financial measures include $31.7/MWh OpEx, $1633/kW CapEx.

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
RFC
State rank
#88 of 132
National rank
#5114 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.