Grayling Generating Station

Power plant · Biomass

Key facts

Power plant · Biomass Operating

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

Owner: Grayling Development Partners, CMS Generation Holdings Co, CMS Generation Grayling Co

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All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Gem	Parents Name CMS Energy Corp Share pct 50 Gem entity id E100000001164 Name I Squared Capital Advisors LLC Share pct 30 Gem entity id E100000001234 Name Fortistar LLC Share pct 20 Gem entity id E100000001218 Unit ids G100000201622 Location id L100000201351 Eia plant ids 10822
Grid	Nerc region RFC Report year 2025 Grid voltage kv 46 Transmission owner Consumers Energy Co Balancing authority code MISO Balancing authority name Midcontinent Independent Transmission System Operator, Inc..
Fuel burned (MMBtu), 2025	2,481,520
Capacity factor, 2025	0.538
Heat rate (Btu/kWh), 2025	13,637.8
Net generation (MWh), 2025	181,959.0
Balancing authority code	MISO

4 companies

Companies with an ownership or operating interest in this asset.
Company	Role	Share	As of	Source
NorthStar Clean Energy	Operator			EIA-860M
CMS Generation Grayling Co	Owner	1.0%	31 Dec 2025	EIA-860
CMS Generation Holdings Co	Owner	49.0%	31 Dec 2025	EIA-860
Grayling Development Partners	Owner	50.0%	31 Dec 2025	EIA-860

5 sources

Sources

EIA-860M Preliminary Monthly Electric Generator InventoryOpen license · retrieved 4 Nov 2026
Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Open license, with credit · retrieved 26 Oct 2026Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Open license · retrieved 1 Nov 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
EIA-860M Preliminary Monthly Electric Generator Inventory
EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules