Niri rearing tank, Scotland

Our land based fish farming concept

Niri´s unique land based technology has been developed and tested over several years. Our production tanks come with fully integrated recirculation technologies and scalable production concepts. Production can thus be scaled up to multi-ton production of various fish species at a very competitive cost at many geographic locations. Niri has expert capabilities on salmon and tilapia.

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Harvesting of renewable energy

For every ton of produced fish there is a residual output of two tons of sludge. This sludge is high in energy and generates no value in traditional fish farming. Niri has developed a concept for integrated production of renewable energy from our sludge. We have thus turned a waste problem and cost factor into a revenue generating business activity that supplements fish production.
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The main key is: One tank = one farm. Each tank is independent, working separately from every other tank. A self-contained mini fish farm working within a giant fish farm. Imagine a 5000 m3 net rearing volume tank like the one you can see in the picture. Assume that the infrastructure is already constructed. […]

Niri has signed a deal with Yorkshire company Reliant Installations Ltd. to construct tanks for their land-based fish farms worldwide. Reliant have been supplying quality tanks and silos for UK industries for more than 40 years. Based in Skipton, north Yorkshire, Reliant customers include AB World Foods, Kellogg’s, Mars, Nestle, Walkers and Wessex Water. […]


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Niri’s mission is to become a leading producer of high-quality seafood on land at a very competitive cost.
Niri is an environmentally responsible company as we convert all wastes from production to value enhanced products.

Facts on fish farming