# Big Level Wind

PJM asset profile · https://askthegrid.com/assets/facilities/big-level-wind

## Current generation inventory

EIA plant 60551 · Inventory reporting month: 2026-08.

- wind: 90 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T22:49:53.020309+00:00
- Filed coordinate (longitude, latitude): -77.66594, 41.869326
- OSM extract: 2026-10-09T20:21:04Z
- OSM mapped edit: 2026-09-01 15:25:34+00:00
- Map prepared: 2026-10-10T23:05:21.234394+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

Big Level Wind is a 90 MW onshore wind turbine plant in Potter County. Big Level is a 90 MW wind project in Hector Township, near Westfield, Pennsylvania, on about 6,900 acres of privately owned land. TransAlta acquired the project in February 2018 and it reached commercial operation on December 19, 2019. Its output is sold to Microsoft under a 15-year power purchase arrangement signed in 2018, the third Microsoft has signed in the PJM Interconnection, and the project holds renewable certifications in New Jersey, Maryland, Pennsylvania and Virginia.

## Reviewed metrics

- **Nameplate capacity:** 90 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 60551 — plant-60551

## Facts

- **Technology:** Onshore Wind Turbine
- **Operator:** TransAlta

## Related parties

- **Owner / operator / developer:** TransAlta — owner ([source](https://transalta.com))
- **Offtaker:** Microsoft — offtaker ([source](https://www.microsoft.com))

## Sources

- [transalta.com](https://transalta.com/our-operations/facilities/big-level) — transalta.com · public_source — Source retained for exact-record publication review.
- [newswire.ca](https://www.newswire.ca/news-releases/transalta-renewables-with-microsoft-adds-90mw-of-new-wind-generation-in-pennsylvania-697584961.html) — newswire.ca · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/big-level-wind
Website: [TransAlta](https://transalta.com)

Source: Ask the Grid — https://askthegrid.com/