World’s First Hub
Five full-scale closed systems will be built outside Dyrkorn, setting a new standard for sustainable fish farming with zero lice, no escapes, and even better fish welfare.
Key Advantages
No Sea Lice
No Escapes
Our Closed System
This innovative closed system represents a new era in sustainable aquaculture. It was launched by Hauge Aqua AS in 2015 as a groundbreaking innovation in salmon farming. It is designed to minimize sea lice exposure, ensure optimal fish welfare, and maintain superior water quality throughout the production cycle.The system offers a high level of sludge collection, and zero risk of escapees. Hofseth has committed to investing in five full-scale closed system units, along with new development licenses, starting with the first one in 2026.
Timeline
2028 - Fully Operating
By 2028, we aim to have every unit launched and fully operational.
2026 - First Closed System in the Fjord
We plan to launch the first closed system facility in Storfjorden during 2026.
2025 - Dyrkorn
Hofseth purchased the Dyrkorn facility in connection with the plan to establish five closed system units near this location.
2025 - Hofseth become owner
On 20 June, Hofseth Development acquired Hauge Innovation Holding AS and now owns 100% of development licences.
2024 - New Design
Based on experiences, the design has evolved, no longer shaped like an egg, but still aiming for the same goals: to keep lice out, prevent escapes, improve fish welfare, and reduce environmental impact.
2023 - First Harvest
First fish was harvested. The first production showed very positive results for fish health, growth, and waste collection.
2022 - First Fish
The very first fish were stocked in October 2022. This marked an important milestone for the concept.
2022 - Hofseth become shareholder
Hofseth has acquired half of the shares of Hauge Innovation Holding AS that owns the development licences with the closed system Egget. Committs to build five full scale versions of the plant.
2022 - First Pilot "Egg"
The first pilot unit was launched in Romsdalsfjorden in june 2022 located at Gjermundnes and operated by Prophylaxia.
2018 - Development Licenses
The project was awarded six development licences in 2018 with Mowi as an industry partner.
2015 - "Egget" Launched
The closed system was first launched by Hauge Aqua in 2015 as are volutionary new solution for salmon farming, developed to support more sustainable growth in aquaculture
The First Harvest
The first pilot unit was launched in Romsdalsfjorden in 2021, and the very first fish were stocked in October 2022. This marked an important milestone for the concept. The first production gave us valuable experience and showed very promising results in fish health, growth, and waste collection.
The Technology
Our closed system has evolved from the original egg-shaped pilot into a new cylindrical design, incorporating all learnings from the E2000 project.
Each unit has a volume of 20,000 m³ and a production capacity of 960 tonnes (MTB). Built in composite materials, it ensures strength, durability, and corrosion resistance. The system features deep-water intake for stable conditions, integrated oxygen, feeding, lighting, and monitoring systems, and efficient sludge and mortality collection. Designed forreliability and ease of operation, it represents the next generation insustainable aquaculture technology.
Core Features
1
Automated lighting controls daylight for optimal feeding
2
Barrier protects against escape
3
Sensors monitor water conditions: temperature, salinity and oxygen
4
Automatic feeding stops when excess feed hits the filter
5
Cameras monitor fish health 24 hours a day
6
Barrier protects fish from salmon lice, minimizes mortality
7
Oxygen supply to optimize fish welfare
8
Water is pumped from 40 meters below with an even temperature all year around
Why we do this
No Sea Lice
The closed design keeps lice out completely. This means healthier fish, better growth, and no need for delousing.
No escapes
No negative impact on wild salmon, and help preserve natural ecosystems.
Sludge collection
Waste becomes energy: turning nutritious sludge into biogass.
Optimal lighting
Automated lighting manages the daylight hours for fish year-round, which allows for more optimal feeding.
Low mortality
Trials over two years have shown very low mortality with this solution, demonstrating exceptional fish welfare, and production performance.
Dyrkorn
Hofseth is transforming Dyrkorn in Storfjorden into a global leading site for closed system fish farming. As part of this initiative, we are investing in five large-scale closed systems. The historic but closed Dyrkorn factory has been acquired by Hofseth, with plans to restore the site and bring new activity and employment to the area.
