A large-scale power engine has successfully supplied electricity to Spain’s national grid using 100% pure hydrogen fuel. The trial, conducted by technology group Wärtsilä in the northern town of Bermeo, is the first time an engine of this scale has operated entirely on pure hydrogen under real-world grid conditions.
“This is the world’s first demonstration of a large-scale hydrogen engine running on 100% pure hydrogen,” said the company in a press release.
The operation utilized the Wärtsilä 31H2 model, which currently stands as the largest pure hydrogen engine in existence. While previous power plant designs relied on engines that mixed hydrogen with standard natural gas, this test confirms that grid-connected generators can function without any fossil fuel inputs.
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