Mosinee Mill is a 23 MW Conventional Hydroelectric asset in MISO (Midcontinent), currently Operating.
Mosinee Mill is reported in Wisconsin since 1916 under Bain Capital. Available operating and financial measures include 57.6% capacity factor and 118 GWh annual generation; $3495/kW reported CapEx.
- Location
- Marathon, Wisconsin
- Technology
- Conventional Hydroelectric, Wood/Wood Waste Biomass
- Owner / parent
- Bain Capital
- Operator
- Ahlstrom-Munksjo NA Specialty Solutions, LLC
- Grid
- MISO (Midcontinent)
- Plant ID
- 50614
What stands out
Mosinee Mill is a 23 MW Conventional Hydroelectric asset in Wisconsin with status Operating.
Latest annual operating measures report 57.6% capacity factor and 118 GWh annual generation.
Available financial measures include $3495/kW CapEx.
Latest linked story: “Ahlstrom’s Mosinee plant announces closure of two paper machines, pulp mill” (WSAW, 2026-03-02).
Market and operating context
- ISO / market
- MISO (Midcontinent)
- Balancing authority
- Midcontinent Independent Transmission System Operator, Inc..
- NERC region
- MRO
- State rank
- #2 of 2
- National rank
- #57 of 60
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.