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Mitsubishi Power, Georgia Power, EPRI partnership
Mitsubishi Power and Georgia Power, alongside the Electric Power Research Institute (EPRI), this month validated fuel blending of hydrogen and natural gas at both partial and full load on an M501G natural gas turbine at Georgia Power’s Plant McDonough-Atkinson in Smyrna, Georgia. The demonstration project was the first to validate 20%* hydrogen fuel blending on an advanced class gas turbine in North America, and the largest test of this kind to date, with the 20% blend providing an approximately 7% reduction in carbon emissions compared to natural gas.
The Plant McDonough-Atkinson facility in Atlanta operates six M501G series gas turbines as well as three steam turbines running in three blocks of 2-on-1 combined-cycle configuration.Mitsubishi Power completed the hydrogen blending on one M501G gas turbine unit with an approximate output of 265 MW by utilizing some results of a project commissioned by the New Energy and Industrial Technology Development Organization (NEDO), Japan’s national research and development agency.
Dry low NOx (DLN) hydrogen blending was successful at up to 20% at the designed 100% natural gas firing temperature, within emissions compliance for the existing air permit, and without impact on the maintenance intervals. The team also confirmed improved turndown by testing up to 20% hydrogen at minimum emissions-compliant load. Mitsubishi Power provided engineering, planning, hydrogen blending hardware, controls, commissioning and risk management. Mitsubishi Power partnered with Certarus to source and manage the hydrogen supply.