How big is Big Sky Wind?

Big Sky Wind reports 239.4 MW wind of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

What kind of plant is Big Sky Wind?

Big Sky Wind is a Onshore Wind Turbine facility in Bureau County, IL, participating in the PJM market.

Where is Big Sky Wind located?

Big Sky Wind is in Bureau County, IL, inside the PJM balancing area.

Who operates Big Sky Wind?

Big Sky Wind is operated by Big Sky Wind LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Big Sky Wind generate?

Big Sky Wind reported 730.9 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Big Sky Wind compare to other plants?

By capacity, Big Sky Wind ranks #174 of 1,374 operating plants of the same technology nationally. It ranks #7 of 57 in IL.

Big Sky Wind — 239 MW wind farm, Bureau County, IL

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Big Sky Wind — 239 MW wind farm, Bureau County, IL · Ask the Grid

Generation and physical site

EIA plant 57135 · Inventory for Aug 2026.

Reported operating nameplate by technology

Wind: 239.4 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for Big Sky Wind LLC
Generator	Technology	Status	Power (MW)	Energy (MWh)
1	Onshore Wind Turbine	Operating	239.4	Unknown

Physical map location · OpenStreetMap: 41.58752, -89.42144
Filed location · EIA: 41.59917, -89.45611

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Aug 2026
EIA retrieved: Oct 10, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Mar 25, 2024
Map prepared: Oct 10, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
1	239.4 MW 239.4 MW summer	Onshore Wind Turbine Wind · WT	Feb 2011	Operating

Overview

Infrastructure record

Overview

Infrastructure record

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Structured profile

Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Big Sky Wind