Backup power to preserve marine life: we designed a generator set for a fish farm prepared for a marine environment

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Genesal Energy has developed a tailor-made power solution for a fish farm located in the Atlantic Coast of Northwest Spain, an area especially exposed to corrosion issues.

The project involved the design and manufacture of a 440 kVA genset operating in parallel with two existing generators, ensuring production continuity even in the event of grid failures or instability.

Fish farms require a constant and reliable power supply to run essential systems such as water pumps, aerators, recirculators and sensors. A power outage can reduce oxygen levels in the water and suffocate the fish within hours, with severe economic and environmental consequences.

A highly demanding environment

The coastal location posed an additional challenge in terms of resistance and durability. Genesal Energy engineering department designed an open generator protected by an ISO12944-C5 anti-corrosion coating, ideal for harsh marine environments. The alternator was also marinised and fitted with anti-condensation heaters, increasing its resistance to humidity and salinity.

The solution includes an integrated 350-litre fuel tank providing up to 4 hours of autonomy, and a rubber anti-vibration system to protect the structure against mechanical vibrations.

Synchronisation and full control

The key to the project was to ensure seamless operation alongside the two existing units. To achieve this, a ComAp InteliLite AMF 25 IL4 control panel was integrated, enabling the load distribution management and remote control of the installation. Specific safety features such as emergency stop buttons and guards for hot and moving parts were also added, meeting the required safety standards.

Thanks to this bespoke design, the fish farm now benefits from a robust, efficient backup system ready to operate under extreme weather and environmental conditions, ensuring not only production continuity but also the survival of thousands of fish in the event of an energy emergency.

Features

  • 440 kVA (Standby) / 400 kVA (Prime) genset.
  • Operation alongside two existing generators.
  • Integrated 350 L tank (4 hours’ autonomy).
  • ISO12944-C5 anti-corrosion paint treatment.
  • Marinised Mecc Alte alternator with anti-condensation heaters.
  • ComAp InteliLite AMF 25 IL4 control panel.
  • Legrand 630 A circuit breaker.
  • Tudor TC1453 2x 145 Ah batteries.
  • SE 45 silencer model (-28 dB).

Emergency power for a fish factory in Norway

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Fish factories are special, extremely delicate installations, where a small power supply failure can turn into a massive catastrophe.

At Genesal Energy, we’re experts in avoiding setbacks, in designing, supplying, and installing generator sets capable of guaranteeing the species’ life in the event of any incidence, avoiding the loss of millions for the owner.

In Norway we’ve just supplied four 650 kVA emergency units prepared for parallel operation. In the event of a supply failure, the generator sets will take on the essential loads to ensure the operation of the fish factory. We continue to innovate to guarantee our clients’ peace of mind.

Features

  • Control panel for the parallel operation of the three supplied gensets.
  • Motorised louvers, and a dry contact for their operation.
  • IB-lite module for Modbus communication.
  • 400 L fuel tank with two maximum level sensors and one 50% level sensor, which will dictate the automatic fuel transfer system’s start-up. The valves in the fuel tank are 1 and a half inches, following the client’s requests. A 4-20mA connection for a fuel level indicator is also included.
  • Manual oil extraction pump.

Supply of two generators to a fish farm in Norway

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We’ve supplied two 660 kVA gensets through our distributors in Norway, prepared to operate in parallel, which will guarantee the electricity supply of a fish farm.

Features

  • The engine has been painted with a special anti-corrosion treatment and the alternator contains anti-condensation heaters in its windings, to protect the gensets from the high levels of concentration of salt in their surroundings.
  • Both gensets are going to work in parallel, guaranteeing necessary power supply in the event of a mains failure.

 

Genesal Energy supplies emergency power to the Steinkjer fish-farm in Norway with gensets synchronised in parallel

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Precision pre-heating systems and a stable power supply to combat the very low temperatures found in Northern Europe were just some of the key characteristics of this customised project carried out by Genesal Energy for the Steinkjer fish factory (town pop. 21,000) in the Trondheim fjord in North Norway.

Fish factories are singular installation: containing water temperature, water flow and recirculation control systems, designed specifically to maintain and foment conditions as close as possible to the natural sea environment for ideal fish growth. They therefore require a constant and stable electricity supply due to the delicacy of the product. For this reason, back up emergency gensets that become operational if there is power grid cut are crucial, a power cut of just a few minutes can lead to large economic losses for the business.

In the case of the Steinjker fish factory there was an added difficulty – the climate; The town is in North Norway an area very prone to very low temperatures. For this project, an emergency backup system of 2600kVA was calculated in order to supply the load required for continued activity, and the overall design needed to fit in to a small area.

To meet the client’s needs, Genesal Energy came up with the idea of 4 gensets to run in parallel, each with a rating of 650kVA, ensuring that if there was a power grid failure, the four engines are sharing the entire load and guaranteeing normal functionality in the fish factory itself.

Designed to meet the client’s needs

Not only was it important that the genset emergency system could supply the load in the minimum time possible and with maximum reliability, it was actually considered a high priority. Using 3D technology Genesal also designed the entire installation project.

The project, aptly named “Fishfarm”, included aspects such as made to measure gensets, ventilation in the room they were to be located, and a connected fuel supply system. Once an exhaustive study of the client’s needs had been carried out the entire design and manufacturing process was carried out at GENESAL’s headquarters in northwest Spain, as follows:

  • Assembly of 4 synchronised gensets in parallel, built to fit perfectly in the end-users on site storage room, and to secure handle the loads that will be required
  • High quality engines and alternators were chosen for their reliability
  • Manufacture of auxiliary systems for start-up in very low temperatures (guaranteeing optimal functionality)

Features

  • Automatic fuel transfer system
  • Parallel synchronisation
  • Automatic motor protection thermal magnetic circuit breakers, with the outlet in the top of the genset, due to the complex characteristics of the installation onsite.
  • Modbus communication board
  • Manual oil extraction pump
  • Low temperature start up system
  • 400 litre internal mainframe fuel tank

The Fishfarm project is yet another example of Genesals focus on designing and participating in distinctive projects requiring a very distinctive touch. The integral service, along with constant innovation, in-house technology and the company’s ability to diversify, allows Genesal to take complex situations from the drawing board and make them a reality, just some of Genesals identifying marks.

Download project info here