# Siemens Energy to supply HL turbine for AECI peaker plant in Oklahoma

Associated Electric Cooperative (AECI) selected Siemens Energy's SGT6-9000HL gas turbine for its 420-MW Bristow Energy Center natural gas peaking power plant in Creek County, Oklahoma. Construction is expected to begin in 2027 with commercial operation in 2029.

- Type: Contract
- Announced: 2026-06-08
- Where: Creek County, Oklahoma, United States
- Status: announced
- Capacity: 420 MW
- Products: SGT6-9000HL gas turbine, SGen6-2000P generator, dilution SCR system
- Sectors: [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [Siemens Energy](https://endata.com/companies/6803.md) (supplier)
- [Associated Electric Cooperative](https://endata.com/companies/92351.md) (customer)

## Sources

- [siemens-energy.com](https://www.siemens-energy.com/global/en/home/stories/gas-turbine-peaker-oklahoma-us.html), 2026-06-08: "Associated Electric Cooperative, Inc. (AECI), a member‑owned, not‑for‑profit electric cooperative serving America’s Midwest region, has selected Siemens Energy’s SGT6‑9000HL gas turbine for its 420-megawatt Bristow Energy Center natural gas peaking power plant in Creek County, Oklahoma."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.