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Energy Storage System

cBull allows the gensets to run at optimum load. Peaks in power demand are absorbed by the batteries. This results in reduced emissions, fuel consumption maintenance costs and increases redundancy. 

For DP vessels the cBull ESS can also be used as a backup source of power allowing DP operations with closed bus-tie and a reduced number of live generators. 

DC Grid

 It is a low-weight, high-efficiency system that includes power converters, DC switchboards, Li-Ion batteries, electric generators, motors, a shore charger, and an automation system. The system is designed to have the least amount of conversions from stored energy to actual use, ensuring optimum efficiency. By standardizing modules used in the system, life cycle management is kept simple, and the same power converter type is used for propulsion, bow thruster, range extender generator, and grid converter. . 

Hybrid Fish Farm Systems

cSalmo optimizes the use of onboard generators with the help of batteries to significantly reduce generator running hours, fuel consumption, maintenance costs, noise pollution and emissions. 

The system is also easily scalable and prepared for the connection from the onshore power grid and to connect for charging hybrid or electric workboats. 

cSnake IEC 80005-3
Shore Connection System
cSnake Onshore
Ship Connection System
Consulting Services
Engineering & Basic Design

Shut down generators and have a supply of green and renewable energy from the onshore grid while in port. The result is a reduction in generator running hours, reduced fuel consumption, maintenance costs, noise pollution and emissions.

cSnake can be delivered and installed by our skilled team of service technicians without taking the vessel out of service.

A standardized onshore ship connection system facilitating the delivery of 440V/690V & 50/60Hz to ships. This system comes in various power dimensions and is well suited for ports, shipyards and service quays.


cSnake Ship also comes with a tool for export of vessel power consumption for efficient invoicing.

Assistance in Basic Design, Consulting or Engineering tasks



Haf Power Solutions is a system integrator majority owned by the ACEL Group, the company was started by well established companies from the maritime industry. Within the group there are experience and references from Automation and Control Systems, Electrical Installations, Engineering packages, Switchboard deliveries and Consulting - From Repairs, Conversions and New Builds.

Haf Power Solutions focus on electric hybrid systems for ships. We are designing systems with high fault tolerances and alternative operation modes.


Our goal is to use standard industrial components with custom software to improve energy efficiency, reduce OPEX while reducing carbon footprint of shipping.

We select off the shelf hardware and integrates the systems with our own developed software algorithms to optimize plant performance.

By using off the shelf hardware, service costs as well as lead time for spare parts are kept low. Simple parameterization and remote assistance is a key factor when replacing parts to assure low mean time to repair. Using standard components throughout the plant makes it possible to interchange parts between drives if a mission critical drive failure occurs.


ACEL is an electric turn-key supplier with operations in the marine market World Wide. Important activities include electrical total deliveries to the shipyards in connection with ship building, service and retrofits world wide.​

ACEL has on it's reference list complete responsibility for the electriciation of more than 60 offshore vessels and more than 150 vessels of various types, many of which are among the most advanced vessels of its type ever built in the world.


ACEL has a vision to be an environmentally focused, cost efficient, reliable and global partner for the Customers in the Marine Electrical market with a mission to help the customers optimize their operations and reduce the risks in project execution.

About HPS
Contact us


Bengt-Olav Berntsen
Marius Granlien
Sales Manager
Sigbjørn Svendsen
Software Engineer
Thomas Thoresen
Service and Commissioning Engineer

+47 970 07 721

Roar Kjærstad
Commercial Product Manager
Anders Vedlog
Inge Fløtre
VP Operations
Thomas Henriksen
Project Engineer
David Gunaseelan
VP Sales & Marketing
Martin Skåravik
VP Solutions
Kurt Ole Johansen
Project Engineer

+47 905 89 455

Terje Soleng
Project Manager

+47 958 99 384

Robert Drønnen
Applications and Software Engineer

+47 415 05 717

Håvard Gausemel Remøy
Applications and Software Engineer
Christian Alvestad
Application & Software Engineer


Haf Power Solutions AS

Kjøpmannsgata 25
7013, Trondheim


General Contact:


+47 73 90 08 30

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