GE H-Class equipment will power a natural gas-fired combined cycle plant expected to be built in Plaquemine, Louisiana.

The 725 MW Magnolia Power Generating Station is owned by Kindle Energy. It will be fueled initially by natural gas, with the eventual ability to blend up to 50% hydrogen, GE said.

Kindle Energy’s Magnolia Power Project will include a GE 7HA.03 gas turbine, the second deployment of its kind in North America. In June 2022 we reported that the first GE 7HA.03 gas turbine reached commercial operation at Florida Power & Light’s (FPL) Dania Beach Energy Center in near Fort Lauderdale, Florida.

The plant will also include a GE STF-A650 steam turbine and a triple pressure with reheat Heat Recovery Steam Generator (HRSG). The company’s Mark VIe control system would provide turbine generator control, data collection and performance visibility.

Once in operation in 2025, GE said the plant will be the most efficient in the MISO South system.

The company’s 7HA.03 gas turbine pulls much of its design from decades of overall HA experience. However, it does include the first adoption of GE’s DLN 2.6e combustion system on its 60Hz gas turbine line. Another innovation is a larger titanium R1 blade to enable greater volume of airflow and output.

The 430 MW model has a 75 MW-per-minute ramp rate, 64% net combined-cycle efficiency and can turn down to 30% load while staying within emissions compliance, according to GE.

Magnolia’s STF-A650 features a separate high pressure and combined intermediate pressure and low pressure section. This unit uses GE’s ST modularized approach utilizing shared HP, IPLP, and LP modules across the entire combined cycle ST portfolio.

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