Query
Sumpter
Type
Entity Briefing
Entity
Sumpter
Generated
2026-10-10T20:01:07.883Z

Briefing on Sumpter

Entity Briefing
Generated Oct 10, 2026·Dataset freshness not reported
340 MW
Capacity
Operating
Current status
2002
Operating since
4
Generators
6.3%
Capacity factor
190 GWh
Annual generation
Briefing/plantOperating

Sumpter is a 340 MW Natural Gas Fired Combustion Turbine asset in MISO (Midcontinent), currently Operating.

Sumpter is reported in Michigan since 2002 under Wolverine Power Supply Coop. Available operating and financial measures include 6.3% capacity factor and 190 GWh annual generation; $418/kW reported CapEx.

Location
Wayne, Michigan
Technology
Natural Gas Fired Combustion Turbine
Owner / parent
Wolverine Power Supply Coop
Operator
Wolverine Power Supply Coop
Grid
MISO (Midcontinent)
Plant ID
7972

What stands out

1

Sumpter is a 340 MW Natural Gas Fired Combustion Turbine asset in Michigan with status Operating.

2

Latest annual operating measures report 6.3% capacity factor and 190 GWh annual generation.

3

Available financial measures include $53.1/MWh OpEx, $418/kW CapEx.

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
RFC
State rank
#15 of 62
National rank
#629 of 2,025

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.