McDonough-Atkinson Power Plant GAC Conversion
Sector: Wind • Location: Smyrna, Georgia, United States
Source: Mitsubishi Power
Conversion of two M501G gas turbines from steam-cooled to air-cooled combustors at Georgia Power's McDonough-Atkinson combined cycle plant in Smyrna, Georgia. The retrofit includes installation of air-cooled combustors, casing modification, turbine blade ring modification, removal of combustor bypass and steam piping, installation of new fuel gas stages, and new instrumentation and control logic.
- Status
- Closed
- Sector
- Wind, Hydrogen, Power Generation (CCGT)
- Location
- Smyrna, Georgia, United States of America
- Updated
- 22 Jul 2026
- Source
- Mitsubishi Power
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Project Information
Participants
Company |
Status
Original status | completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | Conversion of two M501G gas turbines from steam-cooled to air-cooled combustors at Georgia Power's McDonough-Atkinson combined cycle plant in Smyrna, Georgia. The retrofit includes installation of air-cooled combustors, casing modification, turbine blade ring modification, removal of combustor bypass and steam piping, installation of new fuel gas stages, and new instrumentation and control logic. The project aims to shorten start-up time, increase turndown capabilities, enhance hydrogen co-firing, reduce emissions, and improve plant reliability. |
Original sector | Power Generation |
Location
Country | United States of America (USA) |
State | Georgia |
City | Smyrna |
Source
Source | Mitsubishi Power |
URL |
More Details
Record type | Project |
Sector | Wind, Hydrogen, Power Generation (CCGT) |
Article published date | 2025-12-21 |
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