The Research Institutes of Sweden (RISE) offer services in applied science, industrialisation, verification and quality assurance. In the field of ocean energy, its focus is on the main challenge facing the sector – reliability

As a nascent technology operating in a harsh offshore environment, the engineering needed to achieve acceptable levels of reliability and cost for ocean energy technologies is considerable. Yet, reliability is crucial to these installations viability, and to their success.

Owned by the Swedish state, RISE’s 2,200 employees are engaged in all types of innovative processes and its 100 testbeds and demonstration facilities are instrumental in developing the future-proofing products, technologies and services.

KEY FACTOR Pierre Ingmarsson, Project Manager commented: “Reliability is a key factor for cost efficient offshore structures and devices. Understanding load cases and materials in these conditions is necessary for successful innovation. We need to measure the uncertainties and quantify them both onshore and offshore.”


RISE supports the ocean energy sector by planning and conducting measurements, as well as carrying out analysis of field measurements on operational loads. Using applied science the organisation focuses on existing scientific knowledge to develop more practical applications, like technology and innovation. Furthermore the organisation has got the capacity to develop and build dedicated measuring systems for harsh environments. The laboratories have the capacity to perform testing and analyse materials and components with corresponding load spectrums using accelerated testing methods.


Expertise, resources and accreditation The organisation has the expertise and the experimental resources needed to evaluate a product’s durability against corrosion, biofouling, solar exposure, moisture/water, chemicals, heating/ cooling, etc. It can test and analyse paints, varnishes, metallic coatings and other surface protection systems. For example, it is accredited for over 70 methods related to coatings. Specifically the antifouling group at RISE consists of highly skilled scientists and technical personnel with many years of experience in the field leading collaboration project in different marine sector included ocean energy.

CONTINUAL DEVELOPMENT RISE continually develops new measurement technologies and new methods of measurement. Its expertise in developing and improving measurement technology and methods

is a valuable resource that benefits customers. Its wide ranging experience, spread across several technological and knowledge areas, means it can produce innovations and find new technology applications which ultimately benefit customers.

VARIATION MODE AND EFFECT ANALYSIS (VMEA) The organisation has extensive experience in fatigue life evaluation and testing, where the variations are large due to scatter in both fatigue strength and operating loads. They employ the reliability method Variation Mode and Effect Analysis (VMEA), which evaluates all possible uncertainties.

VMEA is a flexible tool that can be used from the initial design phase with limited access to data, to the detailed design of the final product. Using VMEA for fatigue life analysis and design makes it possible to change from deterministic to statistically based safety factors.

COLLABORATION In the ocean energy sector, RISE brings its considerable expertise to bear to support technology developers. It does this through collaborative projects with industry partners such as: RiaSoR I and II, low voltage dynamic cables, OCEANIC, Waveboost, LEAF – Low Emission Antifouling, and CHANGE.

The Research Institutes of Sweden

low-carbon transition From ABBA to H&M, from IKEA to Volvo, Sweden has a strong history of global export

With its R&D base in Gothenburg, tidal energy developer Minesto intends to add its product Deep Green to the vast list of northern export successes.

Although its name suggests something else, the ground- breaking Deep Green technology is through and through a yellow and blue invention. Originally invented by aircraft manufacturer SAAB, Deep Green has been developed by Minesto for the last ten years.

“Collaboration with Swedish academia and industry expertise has played a vital part to this journey but value is created both ways,” says Dr Heije Westberg, CTO at Minesto. “Sweden has a proud history of engineering and innovation. However, it is a tradition that needs to be diversified. You often hear about the need of reindustrialising Sweden. To do that, you have to get medium-sized industries to prosper. What’s exciting with developing new technology such as ours, is that we are actually doing that. We utilise existing supply chains and engage in collaborations domestically and internationally, to build a new export industry of high technology.“

HOLYHEAD DEEP PROJECT After five years of scale model prototype testing, Minesto

Swedish R&D powers Wales’

prepares for the first installation on a commercial scale – in current design a 0.5MW device – in Holyhead Deep off the coast of Anglesey, North Wales. The focus for commercialisation is Welsh tidal streams and Minesto are looking to expand its Holyhead Deep project to up to 80MW installed capacity. Such a scale would take the development of Deep Green from demonstrator to full industrial roll-out in Holyhead Deep, playing a significant part of Wales’ transition to a low-carbon, secure energy system.


It will also pave the way for global market expansion. Thanks to its unique design and operating conditions, Deep Green exploits a completely different natural resource than the rest of the tidal energy industry. Combined with its heavy IP protection, this high-end innovation has every potential of being Sweden’s next export success – offering clean, reliable and affordable electricity worldwide.



PMC Cylinders develop, manufacture and sell cost-efficient hydraulic solutions, with hydraulic cylinders as a base, to customers with high demands in northern Europe in selected segments.

The company delivers products that meet customer requirements for quality, lead-time and delivery performance.


Experience and product range They have vast experience of supplying hydraulic solutions for customers’ applications, supplying cylinders of all

sizes as well as complete systems for various environments.

The company also provide integrated systems including hydraulics and control systems. In addition to customised solutions, they offer a wide standard range of their own cylinders, piston accumulators, pulsation dampers and valve blocks.


PMC Cylinders has unique know-how in the area of systems and components for different energy systems – everything

PMC Cylinders

from development and production to installation and maintenance – and is a major supplier to energy producers around the world including industrial, mobile and marine sectors.

LEADING SUPPLIER Production takes place at five facilities in southern Sweden and one in Nastola, Finland and is one of Scandinavia’s leading suppliers of hydraulic solutions.



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