An energy storage station in Stockport, UK, is winning praise for what it doesn’t do—make noise.

Just 100 meters from residential homes, Envision Energy’s large-scale energy storage system has demonstrated near-silent operation, meeting the growing demand for low-impact renewable energy infrastructure close to urban areas.

In a midnight full-load test—when ambient noise is at its lowest—field measurements showed that the system’s noise output was 5 decibels (dB) below local background levels.

“During Stockport’s tranquil nights, the large-scale storage equipment blended seamlessly into the environmental background noise,” the company stated.

Noise control is increasingly critical for community acceptance, with even a few decibels over legal limits threatening to halt energy projects.

AC systems are typically the loudest component in energy storage setups and many exceed 70 dBA, roughly the sound of a running vacuum cleaner.

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