# Horizon Hill Wind Project

SPP asset profile · https://askthegrid.com/assets/facilities/horizon-hill-wind-project

## Current generation inventory

EIA plant 64339 · Inventory reporting month: 2026-08.

- wind: 201.5 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): -97.58951, 35.989377
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2025-12-21 17:52:15+00:00
- Map prepared: 2026-10-10T02:28:18.085594+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

Horizon Hill Wind Project is a 200 MW wind farm in Logan County, Oklahoma, owned and operated by TransAlta. It reached commercial operation in May 2024 with 34 Vestas V162 and V136 turbines. All of its output and environmental attributes are contracted to Meta Platforms under a long-term agreement. Project capital was estimated at US$290 to 310 million.

## Reviewed metrics

- **Nameplate capacity:** 201.5 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 64339 — plant-64339

## Facts

- **Technology:** Onshore Wind Turbine
- **Operator:** TransAlta Corporation
- **Operating status:** Operating

## Related parties

- **Owner / operator / developer:** TransAlta Corporation — owner ([source](https://www.transalta.com))
- **Offtaker:** Meta Platforms — offtaker ([source](https://www.meta.com))
- **Equipment supplier:** Vestas — equipment_supplier ([source](https://www.vestas.com))
- **EPC contractor:** Infrastructure and Energy Alternatives — epc_contractor ([source](https://www.iea.net))

## Sources

- [energytech.com](https://www.energytech.com/renewables/article/55042199/transalta-200-mw-horizon-hill-wind-now-operational-and-providing-clean-electricity-to-meta) — energytech.com · public_source — Source retained for exact-record publication review.
- [prnewswire.com](https://www.prnewswire.com/news-releases/transalta-and-meta-announce-200-mw-renewable-power-purchase-agreement-and-launch-of-the-horizon-hill-wind-project-301517670.html) — prnewswire.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/horizon-hill-wind-project
Website: [TransAlta Corporation](https://www.transalta.com)

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