# Grand River Dam Authority dedicates Unit 4 at Grand River Energy Center in Oklahoma

The Grand River Dam Authority formally dedicated Unit 4, a $525 million 426-MW natural gas combustion turbine project at the Grand River Energy Center in Oklahoma, developed with Black & Veatch and Mitsubishi Power. The unit reached commercial operation in 2026.

- Type: New facility
- Announced: 2026-09-09
- Where: Grand River Energy Center, Oklahoma, United States
- Value: $525.0M
- Starts operating: 2026
- Status: completed
- Capacity: 426 MW
- Products: natural gas combustion turbine, hydrogen-capable turbine
- Sectors: [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [Grand River Dam Authority](https://endata.com/companies/24577.md)
- [Black & Veatch](https://endata.com/companies/293.md) (partner)
- [Mitsubishi Power](https://endata.com/companies/7073.md) (partner)

## Sources

- [publicpower.org](https://www.publicpower.org/periodical/article/grand-river-dam-authority-formally-dedicates-unit-4-grand-river-energy-center), 2026-09-09: "Unit 4 represents exactly the kind of investment GRDA is committed to making for our customers -- reliable, efficient power that keeps pace with a changing grid."

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