# Post Rock Wind Power Project, LLC

SPP asset profile · https://askthegrid.com/assets/facilities/post-rock-wind-power-project-llc

## Current generation inventory

EIA plant 57678 · Inventory reporting month: 2026-08.

- wind: 201 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: 2026-10-10T02:12:40.665346+00:00
- Filed coordinate (longitude, latitude): -98.29944, 38.841667
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2022-05-19 13:30:06+00:00
- Map prepared: 2026-10-10T02:28:18.781111+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

Post Rock Wind Power Project, LLC is a 201 MW onshore wind turbine plant in Ellsworth County. Post Rock Wind is a 201 MW wind farm on 23,000 acres of farm and ranch land in Ellsworth and Lincoln counties in north-central Kansas. It has 134 GE 1.5 MW turbines and connects to the grid in Rice County over a 31-mile transmission line. Wind Capital Group developed it under a Westar power purchase agreement; Pattern Energy acquired ownership interests in 2015 and operates the site. Output is sold to Evergy.

## Reviewed metrics

- **Nameplate capacity:** 201 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 57678 — plant-57678

## Facts

- **Technology:** Onshore Wind Turbine
- **Operator:** Pattern Energy

## Related parties

- **Owner / operator / acquirer:** Pattern Energy — owner ([source](https://patternenergy.com))
- **Former owner / developer / seller:** Wind Capital Group — former_owner
- **Offtaker:** Westar Energy — offtaker
- **Offtaker:** Evergy — offtaker ([source](https://www.evergy.com))

## Sources

- [ippjournal.com](https://ippjournal.com/news/pattern-energy-completes-sale-process-for-two-wind-projects-from-wind-capital-group) — ippjournal.com · public_source — Source retained for exact-record publication review.
- [patternenergy.com](https://patternenergy.com/projects/post-rock-wind/) — patternenergy.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/post-rock-wind-power-project-llc
Website: [Pattern Energy](https://patternenergy.com)

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