# Frontier Windpower II

SPP asset profile · https://askthegrid.com/assets/facilities/frontier-windpower-ii

## Current generation inventory

EIA plant 62837 · Inventory reporting month: 2026-08.

- wind: 351.8 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): -97.02978, 36.82478
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2022-11-14 03:11:00+00:00
- Map prepared: 2026-10-10T02:28:24.607940+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

Frontier Windpower II is a 350-megawatt wind project in Kay County, Oklahoma, an expansion of the original Frontier Windpower project. Duke Energy Renewables announced it in 2019, and Deriva Energy now lists it among its projects. Nordex supplies 74 4.8-MW turbines, with Wanzek Construction as contractor and Amshore US Wind providing development support. AT&T and Ball Corp. each signed 15-year virtual power purchase agreements for its output.

## Reviewed metrics

- **Nameplate capacity:** 351.8 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 62837 — plant-62837

## Facts

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

## Related parties

- **Equipment supplier:** Nordex Group — equipment_supplier ([source](https://www.nordex-online.com))
- **EPC contractor / construction contractor:** Wanzek Construction — epc_contractor
- **Developer:** Amshore US Wind — developer
- **Offtaker:** Ball Corporation — offtaker ([source](https://www.ball.com))
- **Offtaker:** AT&T — offtaker ([source](https://www.att.com))

## Sources

- [derivaenergy.com](https://derivaenergy.com/projects/frontier-windpower-ii/) — derivaenergy.com · public_source — Source retained for exact-record publication review.
- [news.duke-energy.com](https://news.duke-energy.com/releases/duke-energy-renewables-announces-the-largest-wind-power-project-in-its-fleet-350-mw-frontier-windpower-ii-in-oklahoma) — news.duke-energy.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/frontier-windpower-ii
Website: [Deriva Energy](https://derivaenergy.com)

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