How a utility used bio-based transformers to shrink its solar footprint

A utility’s push to decarbonise its transformer fleet provides timely insight as solar installations grow in scale and complexity. Partnering with Cargill, Enel Green Power piloted sustainable peak load (SPL) transformers filled with biodegradable FR3 fluid to address performance and environmental concerns. With the equipment now in service, the results point to a model for reducing material use, increasing load capacity and aligning with sustainability goals.

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