For years, diesel has been a practical part of running salmon farms in remote coastal waters, where connecting to a conventional electricity grid is often difficult. That is beginning to change at one of Mowi’s sites in southern Chile. In June 2025, the company introduced what it described as Chile’s first floating solar cage at its Isla Huar salmon farm in the Los Lagos region. The installation combines solar panels fitted to the farming structure with batteries that can store electricity for use when sunlight is unavailable. A year on, the project is reported to be supplying about 57% of the site’s power requirements. It is also expected to save around 139,200 litres of diesel each year, equivalent to roughly 36,750 US gallons. The figures offer an early indication of what renewable power can do for an offshore salmon farm operating far from the grid.
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