US firm uses megawatt-class hybrid-electric CT7 turboprop plane engine for tests

Photo: GE Aerospace’s hybrid electric engine during ground tests. Image courtesy of GE Aerospace. Article by Chris Young. Interesting Engineering – June 3, 2026. Press release: GE Aerospace.

The engine’s parallel hybrid architecture allows both the gas turbine and the electric system to drive the propeller.

GE Aerospace is edging towards a major milestone in electrified flight. The company successfully completed initial ground tests of a hybrid-electric version of its CT7 turboprop engine. […]

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