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TRANSCRIPT
Multi-use offshore farms Open innovation demonstration day by Marin
Map the way forward Overview of workshop results
Introduction Marin carries out an open innovation project for multi-use of offshore farms. Long term goal is to maximise the energy and food production in the North Sea in an ecological friendly manner. In an open innovation sprint in the beginning of September 2018 novel concepts were ideated and designed with a diverse group of professionals from different organisations. Hereafter Marin modelled and built the prototype solutions to be tested and demonstrated in the offshore basin.
During a demonstration day on October 29th Marin demonstrated the prototype solutions from the innovation sprint in the offshore basin. During a participatory work session in the afternoon 80 experts with diverse expertise provided feedback on the solution prototype and mapped the way forward to a future with multi-use offshore farms.
This preliminary report provides an overview of all the raw results from the participatory workshop:
1. Stakeholder map2. Solution feedback3. The way forward4. Fail forward & one small next step
Analysis of the results and main conclusions will be shared by Marin in a final report.
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1. Stakeholder map
Description
In this exercise the participants gave input on what role their organisations play in the realisation of multi-use farms. The goal was to create an overview on what organisations play what role in the realisation of multi-use farms and how organisations can work together towards that goal. The result was a stakeholder map that is filled with input from all participants in this workshop.
Results
Investment & Tendering mostly sparked interest from governmental organisations regarding policy and permits. Knowledge institutes and industries wrote their ambition to form consortia to collect knowledge and knowhow. Engineering & Development is the most filled stakeholder category in this workshop. Industries and knowledge institutes see many possibilities for engineering and development of different aspects. Realisation is mostly filled with industry stakeholders. Operation & Maintenance a noticeable difference between industry stakeholders which will perform the O&M and the knowledge institutes who want to improve the monitoring. Demolition & Re-use is mostly filled with ideas for re-use of the offshore structures.
Investment & Tendering
Our organisation can play a role in by so thatGovernment before investment regulating new developments can mature
ministry of agriculture nature and food qualitypolicy/strategy EU-policy making, NS strategy 2030 Multi-use will be realised as soon as possible
Rijkswaterstaat policy/strategy permit requirements – discuss possibilities there are no surprises afterwards
Rijkswaterstaat policy/strategy
specifying requirements + other criteria concerning safety at sea, ecological conditions, spatial planning Multi-use is not a goal but a means to an end
RHDHV tenderingbringing in knowledge on project design, spatial planning costs, ecology
efficient and complete call for tenders or tenders can be realised
TNO tenderingadding large multi-disciplinary teams/knowhow
WU-MAE design
adding sea-ranching perspectives (>200x more seafood/protein value) without habitat damage
RHDHV tendering doing environmental assessmentsMulti-usage of the North Sea will grow in a sustainable way
RVO community of practice multi-use of north sea agenda 2030development connecting people, knowledge, subsidies, teams, financing, facilities
the development of ideas result into products ready to market
ENBRIDGE investment/development considering other users of same space north sea is used efficiently
I public consultation giving positive feedback new developments get pursuits as rapid
Baskalis investment and tendency 1) R&D support 2) execution of pilot projects first selection of viable conc3pts is promoted
TU Delft T=0een consortium mede-opzetten waarin afstudeerders fundamenteel onderzoek doen
technische achtergrond is dichtgetimmerd voor real-life onderzoek mogelijkis
WU-MAE designoptimisation of spatial planning and habitat enhancement for ecological functions
crucial lost habitats for key north sea species can be re-introduced to kick-start the return of these species (they need to fulfil this life-cycle connectivity)
Ministry of interior the lot ‘decisions’ making multi-use obligatory north sea is used efficiently
Bureau veritas investmentscertifying the proposed methodology of development and tenders compliance financing could be made easier
WUR investment and tendering investigating sea weed production potential policy can be made with well-informed arguments
Oceans of Energy Policy and regulationsproviding input in P&R disc. From a floating solar development perspective
this point of view is included for future tendering in offshore projects
Government??? before tendering requiring multi-use on offshore wind bids other can get financial and technical help
WUR_WMR financcing and tendering new monitoring and effect tool development
non invasive and climate robust design adaptations can be implemented by learning policy development
WUR WER WAR investment and tendency development of new tendering proceduresnature sea culture co-design is included in spatial planning
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WUR WMRremote monitoring ecology-ecoservices-production
Non-invasive tools are used for optimisation of nature-wild(?)-aqua production
TU Delft TPM investment and tendencyinvestigating and modelling market scenarios and societal reactions
policy can me influenced/developed to advance multi-use
Vuyk engineering investment and tendency
looking at foundations for example and find ways of multi-use before the boundaries are set future remains as flexible as possible
TNO tenderingoffering multi-disciplinary knowhow and network making better project proposals
WUR investment and tendencyinvestigating ecological impacts of offshore wind parks negative effects on ecosystem can be minimised
Deme investment and tendencysharing our experiments to track record into floating islands
development farming @ sea. We can help out finalising a tendering phase
WU-MAE pilots
studying added value, e.g. fish in-between floating structures and sea weed /mussels under floating panels added value can be validated and enhanced
Blue21 investment and tendency
providing knowledge and experience in developing technical guidelines from both urban and offshore perspectives for policy makers to refer to
floating development can be evaluated if they meet standards or codes of practice in order to operate safely offshore (for both human and environment)
TU Delft TPM investment and tendency
develop recommendations for tendency procedures to balance economic and ecological benefits
not only the economical picture decides if it is viable at the end or not
TNO structural reliability and structural dynamicsinitiation and tendering
conducting full fledged safety assessment in close corporation with others (e.g. wur marin …)
investors, society and authorities (incl class authorities) are convinced about safety of the concepts
Engineering developmentorganisation can play a role by so that
TU Delft 3mE (P&E)/TNW engineering and developmentdeveloping energy transformation from electricity to molecules
energy demand and supply get uncoupled and energy transport is possible by pipes or ships instead of cables
TNO engineering and development developing floating PV systems
Oceans of Energy engineering and developmentengineering of development of floating solar at sea
floating solar becomes a realistic and feasible option for renewable energy
Ghent University design, built, executioncalculating forces, predicting growth of aquaculture mooring gets safer and cheaper
Gusto MSC engineeringnaval architecture/offshore structure design/integration
fully integrated system able to survive in offshore environment
MacArtney.com engineeringsupport in cable/connectors to connect cameras/sensors in copper and fiber you know what's going on during operation
TNO developmentdeveloping storage and refining concepts of seaweed
large seaweed cultivation fields can be harvested/stored/refined
Sunway Flex (Solar@Sea) PV installation
WUR engineering and developmentinvestigating the ecological impact of offshore wind parks both short and long term
the negative impact will be minimised and mitigation can be used
WUR-WMR engineering and developmentmitigation of ecological risks strategies and tools future and current eco risks are mitigated
Bureau Veritas engineering and developmentdeveloping new rules/documentary notes certifying against these standards
acceptance by national or international authorities and insurances and others could be provided
Tennet engineering and developmentdiscussing functional requirements and boundaries from TSO perspective
future multi-use can be incorporated/taken into account early enough
Schuttevaer development and constructioninforming the maritime sector and shipping industry acceptance and understanding growth
TKI wind op zee engineering and developmentfacilitating and subsiding cooperation between public and private organisations innovation occurs at higher speed
TU Delft engineering and development experiments/numerical simulationsknow more about FSI, hydro elastic knowledge and other hydromechanics
waterstudio.nl development proposing concepts of possible living offshore full integration of work and living = efficiency
RHDHV engineering and developmentbringing knowledge on technical ecological aspects, marine spatial planning
the ideas that there are now can be developed to practical plans
MARIN engineering and development model testing and field measurements concept is proven and tools are validated
WUR, plant production systems engineering and developmentapplying concepts and knowledge gained on ...ble systems on seagriculture
we can develop efficient and smart seaweed production systems
TU Delft 3mE/MSE engineering and developmentdevelop sustainable materials for construction of floating solar parks commercially viable structures can be built
ENBRIDGE development allowing multi-use in OWF new projects show improvement of energy harvest
TU Delft students T=1further understanding the idea of multiuse amongst students
more knowledge can be created/generated for younger generations
TU Delft students T=1 organising a design challenge for students new creative ideas might be generated
ECN engineering and developmentexamining the requirements for PV in the open sea environment PV will survive and produce energy for many years
DOT engineering and developmentproviding a layout and infrastructure for a new wind farm it can be optimised for multiuse
U ghent engineering and development developing systems for seaweed growth
Damen Shipyards engineering and developmentdeveloping integrated concepts for offshore structures and ships overall lifecycle costs are minimised
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Government development
pointing out the need for an integrated approach: actual system + influence on environment/desired location determine costs and benefits pilots can be upscaled
WUR plant prod systems engineering and developmentresearching and developing cultivation systems and growing guides
seaweed can become a proper domesticated crop for production
WUR WMR WER WEMR engineering and developmentcodesign nature inclusive wind farms and spatial planning
the right ecosystem functions and uses are codeveloped at a north sea system basis
RVO implementationconnecting people and preserving government goals (nature, food and energy)
the implementation will be in balance with the environment, ecology and
TNO structural dynamics engineering and developmentmaterial characterisation (strength stiffness damming etc.) structural integrity is ensured
TU Delft EWI engineering and developmentdevelopment of solar panel modules for optimised efficiency at se commercial viability becomes a close reality
TU Delft 3mE/MRM engineering and developmentfundamental research on FSI and relevant physics
engineering model can be developed based on these phenomena
Vuyk engineering engineering and development providing engineering services most efficient methods can be developed
Boskalis engfineering and developmentcontracting work and make engineering knowledge available engineered concept can be mature
DEME engineering and developmentlooking into the possible methods for transport installations optimised the T&I costs
MacArtney.com engineering and developmentusing what sort of cable is best, copper or fibber
the best commercial or robust cable connects type is chosen
Blue21 engineering and development
introducing sustainable development and system integration for floating city offshore (water, food energy and settlement)
new space that is liveable, efficient, environmentally friendly can be created offshore properly with smart designs
WUR developmentmonitoring seaweed growth on various constructions selection of the best one for cultivation
TU Delft MTT students engineering and development
developing computational methods for prediction of structural/hydrodynamic (stochastic) behaviour in harsh conditions
engineers can use them for making safe, reliable, …, designs
TU Delft students writing down comments safe the planet
Exploratief design
but… I would like to point out that for offshore PV one needs to haver a sustainable solution on electrical cables to take idea further
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Realisation
Our organisation Can play a role in by so that
RHDHV realisationcoordinating environmental procedures setting up mentioning and evolution program
We can learn form and help translate permit the project requirements in practical measures
U gent realisation effectively providing preliminary???
MacArtruey.om realisationmaking sensors and measuring equipment offshore prove
you can measure the behaviour of the platform during time
Bureau veritas realisationinspecting fabrication against approved drawings and documents
acceptance by national and international authorities and others coub e provided
oceans of energy realisation providing and floating solar design floating solar project at sea can be realised
Vuyk engineering relaistionproviding smart solutions for vessels and systems and sea fastening realisation can be efficient and safe
Cominications gemeente den haag any fasestakeholder identification plus management surrounding and interaction the whole process runs smoother
Boskalis relaistion contracting work, execution work gets executed efficiently
enbridge realisation/buil allowing start ups to test new developments full-scale test conditions
MacArtruey.om realisation delivery subsea connectors and cablesall data/power is robust and simple, goes from a to b
DOT realisationincorporating multiuse in our layout and construction
multiuse is incorporated in the windfarm rather than being added
ECN part of tno/solar energy Realisationmonitoring energy production + developing and extending yield models
we can design systems and know how much energy we will harvest
??? Surnny Flex making pv swimming modules with thin film energy can be produced
WU MAE relaisationstudying changes in various monecluar techniques presence of marine organisms predicted effects can be validated
TU Delft students realisation
investigation of series production of concepts as well as making calculations on installations offshore
optimal production and safe installation both efficiently
TNO Realisation measuring monitoringactual specs are met in close assistance to class and authorities
Damen shipyards realisation delivering ships for installation installation can be exci…
WUR realstudying cumulative effects multy use and wind sector next stage planning can learn form earlier choices
??? Surnny Flex 30 year niet echt leesbaar
Marin realisationconcept test for installation monitoring of installation so the realisation without failure
Students realisation typing out of minutes so that an excellent report can be made
Operations & maintenance
Our organisation Can play a role in by so that
WU MAE operationstudying presence of mobile and sessile organisms you know the ecological effects
exploratief operations to maintaincemaking use of best practices from the oil and gas industry
offshore wind energy ? Be a a safe as possible operations ???
RWS realisation or development prevent special conflictslocation cotaction location! Clos to shore little space
Marin operationimprovement maintenance trips and monitoring operation
efficient maintenance is achieved for operation is efficient
Deme operations and maintenance
using our equipment of installation we have alto a track record on maintenance that we can use if maintance???
Damen shipyards operations and maintencance delivering costume shipsO&M can be executed at high efficiency and lowest cost possible
Vuyk engineering operating and maintenanceproviding smart solutions for vessels and systems operating and maintenance can be cost efficient
WU MAE operation developing/testing: antifouling and ???fouling can be reduced eg flut abster or wanted organism can be attracted
WUR maintenance monitoring seaweed growth you get an optimal production
oceans of energy operations and managementproviding real time data offshore floating solar
a better understanding of offshore influences is obtained
automotive tno structural dynamics operationmonitoring through instrumentation and data interpretation observation of actual performance
Wageninge UR plantprocution systems operations and maintencancehelping adapt seaweed cultivation plants as knowledge on the system increases
seaweed proception can be increased through the years
DOT O&Mcombination our maintenance activities with harvesting and exchange operation costs can be limited
Bureau veritas operation and maintenace certifying and class maintenanceinsurance could be maintained national and international compliance could be maintained
TU Delft students maintenancepredicting damage due to either fatigue or limiting load cases
maintenance can be planned in advance and we know how damage structures behave
Embrige operations and maint using own equipment for other users equipment has high utilisation
enbridge demolition/decom selling vundations to next user longer life time of assets/more economical
mac actury com operation supplying subsea cable and connectionswhen the fars will be moved simple disconnection is possible
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Demolition and reuse
Our organisation Can play a role in by so that
Vuyk engineering demolition providing engineering/procedures the demolition can fee safe and efficient
wur-winr ??? reuseearly stage habitat development and special planning I&T can consider future ecosystem needs
RHDHV demolition and reuse
by doing a cost benefit analysis and also taking in account the ecological cost and benefits The impact on the emission are as low as possible
Vuyk engineering reuse providing creative solutionsthe environment developed during operations can remain intact and provide further enhancements
? decom-reuseassessment of local and system effects on ecosystem services
new deconditioning and reuse options are considered
TU Delft MT sutdentreuse taking into account reuse in a preliminary design phase reuse is possible
WU MAE reuse Eco based habitat optimisation of structuresbiodiversity and seafood praocution profit and removal costs are saved
WU MAE demolition assessing the lost value of removing habitat so that no biodiversity/seafood or € on wasted by removing valuable reefs
blue21 demolition and reuseproviding creative and sustainable solutions to utilise existing infrastructure
it can give a second life and without disturbing the existing ecology underneath
Boskalis decomistion and reuse contracting work redevelopment can be efficient: cost/time/safety
Bureau versitas demoition/reuse certifyingaccepted by national or international authorities and others
TU Delft students research recycling old wind farm supports overall cost can probably be reduced
marin workshop demolition using the term redevelopment we focus on sustainable use of sea areas
2. Solution feedback
DescriptionIn this exercise the participants provided feedback on the prototype solution. The goal was to get as many viable feedback in short time as possible to learn from the available expertise what works, what should be changed and what we need to know more about. The intended results were feedback on the solution from three different perspectives:• Structural design• Efficiency of layout• Ecological impact
ResultsA lot of ideas are posted, mostly in the ‘change’ and ‘need more knowhow of’ category, but alsosome ‘keep’. The most important will be defined and described in the next chapter. What follows here is an overview of all results related to feedback on structural design, efficiency of layout and ecological impact.
STRUCTURAL DESIGN
I WOULD ACTION PART SO THAT RESULT
I would change add floating wind turbines, mussel growth so that more multi-use
I would change structure of monopiles so thatyou add hard substrate to the environment to grow marine life
I would change WTF structure to integrate mooring points above water so that.-maintenance/ inspection is easy, -xtra moorings are avoided
I would change use solar power to generate light to power fish farms so that combine solar and fish farming
I would change aquaculture modules as individual (floating) units so that exchange/harvesting can or is fascilitated in-shore
I would changemooring allows the solar platform to rotate considerably in quartering seas so that risk is platforms colliding
I would change partially submerged edges on the floating panel so that the wind does not capture structure and flip
I would change add wave energy converters between the arrays so thatadditional energy from damping the wavefield is obtained
I would change submerged option so that effect wave action is reduced
I would changethe surface to include electrical induced fabric to produce energy from wave energy so that wave energy is transferred to electricity
I would changemooring system of the unit to an autonomous grid of anchor lines so that mooring can be quicker and more reliable
I would changeconstructions foundations windturbines for 100 year lifetime. So only turbines need to be updated or renewed every 25 years so that
I would change submerse bouys underwater to reduce forces so that forces are reduced
I would change
the desing of wind mills (total inovation needed (google delopments) with kites suported by baloons and no reduction gears (3000 RPM propellor) so that the costs are widely reduced
I would change the development organisation (group with multiple disciplines) so that all design issues are adressed securely
I would change the design PV|PV|seaweed so thatsolar panels are vertical to prevent eco impact and allow use of underwater seaweed
I would changethe organization risk based development are neccesseray. BVNI525 so that to avoid wrong solutions
I would keep the platform concept seems alright so that low forces int-ext.
I would keep holes in the structure so that the surface tension is not to high
I would keepthe concept of light weight simple structure to support light weigh payload so that something become cost efficient
I would keep continious structure rather than afticulated struced so that coupling forces are avoided
I would need more know-how on shape PV platform round/square so that
I would need more know-how on most efficient height to grow seaweed so that can be harvested in shortest time
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EFFICIENCY OF LAYOUT
I would need more know-how oneffect on water on top of construction + how to prevent to much water on top so that stay efficient
I would need more know-how on thickness floating structure so that maybe can be designed like a leaf with nerves
I would need more know-how on mooring on the monopiles so that do not need extra anchors
I would need more know-how on plastic soup around solar/seaweed farms so that this issue can be dealt with
I would need more know-how on internal forces (coupling?) so that full scale structure requirements can be derived
I would need more know-how onopportunities for tourism/diving/recreation activities @multi-use farm so that more attention and multi-use
I would need more know-how on the platform & ice in cold winters so that what happens?
I would need more know-how on fatigue properties of the flexible mat so that sufficient lifetime is achieved
I would need more know-how on scaling a flexible struture so that we know what materials we need to use
I would need more know-how on seabed vs strucure anchorage so that installation anhors reduce; fatigue life of HP lines
I would need more know-how onte matirials of the PV modules and floating matts to understand how much tension/buoyancy is needed for different configs. so that it stays afloat and in place
I would need more know-how on life-cycle of solar panels so that maintance effects can be better estimated
I would need more know-how on reducing peak loads due to snap loading of the mooring system so that mooring can be optimised
I would need more know-how on fatigue of the PV so that we know more about the fatigue life time in general
I would need more know-how on Solar panels robustness mechanical/electrical so that
I would need more know-how on the dmaping effect of seaweeed on the waves so that the solar panel design can be fitted accordingly
I would need more know-how onon the behoviour of the seaweed below the water surface (do the lines get tangled?) so that
seaweed installation can function properly + the seaweed can be harverstable
I would need more know-how on the structural risk of accidents affecting the windmills so that we make sure it's worth it
I would need more know-how on interactions of the different floating structrers so that the don't colide
I would need more know-how on effets of using nature inspired design so thatwe can probably learn from natures developments => water lilly
I would need more know-how on
Material selection based on axial and bending stiffness. Consequently the fatigue lifetime and the most important failure modes. so that damage prevention, costs, weight, wrinkling behaviour.
I would need more know-how on mooring point: point load needs to transfer global traction so thatwe know where stress hotspots are localized in order design local structural details
I would need more know-how on scale effects of the materials on the current state so that scale up will lead to the expected result
I would need more know-how on FSI on floating solar panels so that this knowledge can be used in the design
I would need more know-how on sea weeds optimization height in water etc. so that mooi.
I WOULD ACTION PART SO THAT RESULT
I would change layout so that solar fields are downstream of offshore wind fields
I would changeintergrate structure -design and foundation -maintanance and conditions monitoring so that
I would changethe lines on which the seaweed grows into single lines instead of net structure so that easier to harvest
I would changemulti-use wind parks in circles around former production platfroms so that
existing structures can be used for energy storage and transport
I would change develop cleaning proceudre for solar panels so that
I would changecurrent layout where solar panels completely block sea surface so that
less risk of eco-impact & more possibility for real multi-use
I would change the oriatation of solar panels with respect to sea so that efficiency is improved
I would changeinstead of between 4 poles, build around pole and use pole for mooring (make ship lane for turbine) so that it improves mooring
I would changesimple mats to more elaborate setup with ballast water at least around the circumference so that lifting up by wind is prevented
I would change in the long run aim to moor the system to the monopiles so that there are less anchor points needed on the seabed
I would changethe development organization with several houurs/days work shops to optimize the layout. Cannot be assessed so quickly so that
optimized solutions are obtained and reviewed (including risk management techniques see BV NI 525)
I would changeto more organic spatial layouts, because the upcoming windfarm lots are polygonic so that we can adapt to this new reality
I would changealso to reverse osmosis, also add tidal? Why not? Why limit to seaweed and solar? so that
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I would changeposition of units to the units to the outer perimiter of wind farm so that the units are better accessible for harvesting
I would change the exact unit sizes of the solar panels/seaweed so that the layout is more flexible and better transportable
I would change floating seaweed systems vs submerged systems so that forces on the system might be reduced
I would change how about vertical solar panels and seaweed right below so that
I would change look at different ways to interact with the ecological system so thatnature provides us with what we need at much lower costs
I would keep looking at seaweed and solar panels so thatproblems with one of them can be solved with the other one
I would keep flexible PV modules so that flexible floating is possible
I would keep different types and set-ups of solar panels so that determine optimum solar panel structure
I would keep module setup so thatflexible installation as well as OHM (seccond letter unreadable)
I would keep soft mooring so that forces stay low
I would keep lanes for trafic/maintenance so that accessability
I would keep access for OWF & multi-use so that maintance is efficient
I would keep simplicity of the design so that
I would need more know-how on shape of the floating solar panels so thatthey can be better placed in waves from different directions
I would need more know-how onhow to moor floating structures close to submerged power lines from wind turbines so that OWF owners are happy with added risk
I would need more know-how onmooring in deep sea systems to keep the structure stay at the right positions rather than go with waves or currents so that dynamic position system??
I would need more know-how onpentagone? Hexagone? What organisao with the wind turbines & other elements? And acces so that better efficiency
I would need more know-how on sea salt contimination of solar panels so that E-production is not affected too much
I would need more know-how onwhat happens w seaweed & platform in case of oil spills or collision with floating objects so that damage?
I would need more know-how onboundary conditions of each function: 1. distance, 2. products so that layout can be designed accordingly
I would need more know-how on green water on top of solar panels so thatlittle water would help to clean the water but too much might generate marine growth on top of panel
I would need more know-how on how to use the monopiles for mooring system so that you do not need additive anchors
I would need more know-how on how to efficiently harvest sea-weed? so that
I would need more know-how onhow each maintenance crew (wind/solar/seaweed) will move around in the area as a first stap so that the layout can be practical
I would need more know-how on effects of turbine-shadows on productivity so that know how much energy can be produced
I would need more know-how on viability of seaweed growing and harvesting so that one can access functional viability
I would need more know-how on how to install this floating solar farm so that
I would need more know-how on dynamic power cable durability @ shallow water so that impart part has high availability
I would need more know-how on space required to harvest seaweed so that total area seaweed field >> effective field
I would need more know-how on the specific location so that can have best location for sunlight, waves, tide etc.
I would need more know-how on
how to position the solar panels to get enough energy at the right time; how to deal with peaks from solar energy? Can panels be connected to grid of windfarm? so that
I would need more know-how on transport of energy so that this beatifull concept is efficient from source to sink
I would need more know-how on how does solar farm effect sea life so that less damage is done
I would need more know-how on handeling of seaweed nets so that optimize size and number of handlings
I would need more know-how on harvesting/maintenance so that we must think about this
I would need more know-how onmaintenance needs so that maintenance routes be assessed. How to repair a mooring how repair a solar panel? Etc so that in service lif is useful
I would need more know-how on maintenance can be preformed on structure so that cost can be optimized
I would need more know-how on power connection of solar panels so that optimize size
I would need more know-how on mooring forces and their impact on the monopiles so thatwindpark owners can be convinced that no damage to monopiles is possible
I would need more know-how onenergy needed for production and maintance per energy harvested (efficiency) so that there is an average gain
I would need more know-how onshape of system nature has not rectangularity its always curved (near boundaries) so that we don't miss the obivious
I would need more know-how on fouling and matierials so thatoptimal ecological maximalization is achieved - minimal effect on system
I would need more know-how on connection of the PV to grid so that influence of powercable is not overlooked
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ECOLOGICAL IMPACT
I WOULD ACTION PART SO THAT RESULT
I would need more know-how on crab/shellfish world so that another possible viable use of space is considered
I would change Early stage design for recycling so that in twenty years they don't have troubles in decomission
I would change leave enough room between the panes so that birds can forage
I would change model of "seaweed farm" so that hydrodynamic behaviour is scaled & represented properly
I would change how much knowledge does public need to have? so that how does it affect design project
I would change include the public in re-evaluation of the project so that
I would need more know-how on
impact of solar panels on fish/sea environment; same with seaweeds; same with impacts of mooringlines, windmill foundations; so called impact study so that risks are minimized on the sea environment
I would need more know-how onwhat impact do fish + shells have on productive growth of seaweed so that we can calculate this
I would need more know-how onthe material of the mooring lines, these could possible lead to entanglement of marine animals so that entanglement is prevented
I would need more know-how onBathymetrical changes due to damping of surface waves and current and waves so that
we know how sediments change and hence how the animals can settle down there
I would keepthe maintenance + crew transfers needed inside the OWF and transfer of crew transfer vessels into account so that optimize the best location for installation
I would keep shipping lanes so thatease of acces = guaranteed; maintenance time (emissions) are minimized
I would change to incorporate fish farms/shelters in layout so that area is increased in biodiversity
I would changefeed the seaweed farm with un-/partialy treated sewage from land so that sufficient food is available for the weeds
I would need more know-how on effect of high concentration of seaweed in small area so thatone can assess the risk of (increased) marine growth on PV structure
I would need more know-how on effects of light blockage on PV installation so that one can assess effect on sea life underneath
I would need more know-how on local ecological data so thatsolutions for ecological restoration or regeneration could fit-purpose
I would need more know-how onhaving the solor panels submerged and getting lower temperature, is still efficient to generate energy from them? so that
I would need more know-how onwhat effect (positive) exists when alternating sea-weed and fishery farms so that more? Nutritiënts are available for both
I would need more know-how on diffusion of nutriant etc pollutant in wind form so that anticipate problem polution of sea etc.
I would need more know-how onhow the solar panel platform located on the water surface affect the ecosystem navigation line? so that find a good way to apply it in deep ocean
I would need more know-how on what energy "food" will seaweed pull form the sea so that you will damage general sea life??
I would need more know-how on how less light will be blocked so thatprimary production among other things won't be impacted to much (See through panels)
I would need more know-how on the great-scale effects of windmills and solar panels so that the ecology won't be jeopordized
I would need more know-how on how much food do we need out of the sea (NOT FISH) so that we don't claim to much space for ocean farm land
I would need more know-how on influcnce of cooler sea water on current under pv panels so that direction of bigger streams does/doesn't change
I would need more know-how on
how have indigenous communities (in e.g. south east asia) optimized sea weed production? How do they keep it sustainable? so that use local/existing knowledge for new concepts
I would need more know-how on different kinds of sea weed so that find out which is most efficient
I would need more know-how on the nutrient uptake of a seaweedfarm so thatwe are sure that not too much nutrients will be taken out of the sea
I would need more know-how onthe impact or interaction each module (wind, solar, seaweed) has on each other so that the most optimal combination can be discovered
I would keep sea weed & mussel aquaculture (can interact?) so that addition seafood is produced
I would keep the desing of seaweed on flexible lines so that plantlings can be planted directly on ropes
I would keep modular approach, combined business cases so that flexibility in design and max. economic yields obtained
I would keep interchangeble untis with solar panels or seaweed so that production can be optimized per ( feasch? ONLEESBAAR)
I would KEEP large openings so fish do not get entangled so that fish do not get entangled
I would change acces for fishery boats into OWF so that fishery is still possible in the future
I would change fresshwater into saltwater so that small seaweed plants can be grown
I would change the garlands as seaweed for something more rubbery/organic so that the density/weight and shape are more line seaweed
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I would changethe organization to a multi-discipline group (including ecological specialists) so that risks are minimized to the environment
I would need more know-how on the influence of motions on the amount of energy produced so that we know wheter it's worthwile anyway
I would need more know-how on compare ocean use with land use by LCA so that best cradle to grave option can be developed
I would need more know-how on the influence of chosen set-up on the seaweed production so that production can be maximized
I would need more know-how on the influence of extra shadow invoked by the PV so that possible positive/negative benefits can be discovered
I would need more know-how onthe nutrient input needed, as well as potential pollution from seaweed cultivation so that sufficient quantities of seaweed can be produced
I would need more know-how on biodiversity development under PV structures so that understand impact and forces (biomass weight)
I would need more know-how onsound/vibration on mammals - effects attraction -fish/mammals so that
I would need more know-how on the mooring so that bottom damage can be minimized
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3. The way forward
DescriptionIn this exercise the participants mapped the way forward to multi-use off farms, building on top of the results from the previous exercise. The goal was to get the most important and urgent steps visible. The final result was a solution maturity vs impact quadrant
Result
The most important themes identified are the following:- Include more species in the growing concept- More knowledge on the ecological impact- Shading of the turbines on the solar panels- Shading of the solar panels on the sea life- Influence of water and fouling on the solar panels- Options for automatic monitoring- Motivations for operators to implement multi-use- Involve tourism, public and fisheries- Keep the flexible structures- Knowhow on the influence of the structure on the environment and vice versa- Improve seaweed modelling- Nutrients sources required for seaweed growth
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I II
III IV
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Team BlueQuadrant area Category I WOULD ACTION PART SO THAT RESULT
1 Structural design I would
Need more knowhow on
The behaviour of the solar panels underwater & electric connections so that It works despite being submerged in the water
1 Structural design I would change
The way buoys are modelled (preferably submerged) so that Drag due to current is simulated in a better way
1 Structural design I would Change
The way seaweed is modelled (in practice it’s longer, denser) (seaweed floats!) so that
drag due to current (more surface area) is simulated in a better way
1 Environmental impact I would Change
Include also other species suitable for aquaculture (mussels, etc.) so that Different setups can be tested
1Environmental impact I would
Need more knowhow on
How does marine life react? Seals on top, seagulls sit on it, do whales cross the area, algae on solar panel reduce efficiency, geese find a place for rest? so that
2 Structural design I would
Need more knowhow on How seals & birds are kept of the PV panels so that Efficiency does not go down by animals present
2 Structural design I would
Need more knowhow on Wave structure interaction so that Wave energy extraction can be assessed (wave carpet)
2 Structural design I would
Need more knowhow on
Wave-solar platform interaction flow details around the structure and the structure react when meets different types of sea waves so that
Put possibilities in offshore floating structure applications (especially in deep seas)
2 Environmental impact I would
Need more knowhow on the impact of a seaweed farm as a monoculture so that No problems will occur after scaling up
2 Efficiency of layout I would
Need more knowhow on
From which latitudes is solar energy more efficient then wind turbines and v.v. on the North Sea so that
Plans for multi-use food and energy parks can be adapted to that. Same goes for seaweed.
3 Environmental impact I would
Need more knowhow on Environmental impact assessment req’s so that All queries/open items are covered.
Team GreenQuadrant area Category I WOULD ACTION PART SO THAT RESULT
1 Efficiency of layout I wouldNeed more knowhow on
The shading of the PV modules by the wind turbines so that The energy yield can be optimised
1Environmental impact I would
Need more knowhow on
Automated monitoring production seaweed quality/ biomass / biodiversity so that Optimal production conditions
1 I wouldNeed more knowhow on
How owner/operatorcan be convinced to cooperate on multi-use so that Multi-use will be feasible
1 I would changeEconomic incentive for windpark owner: “rent”/percentage of profit goes to owner so that Multi-use becomes attractive
1 Efficiency of layout I would change Tourism so that A place to sail to angling swimming diving
1Environmental impact I would
Need more knowhow on Which creatures in the water eat seaweed so that Enough will be left over :)
1 Efficiency of layout I would changePattern in the OWP: make cross lanes for fishery& sailing boats so that
Fishery stays & sailing boats can pass OWP in various directions
2 I would change
Ask the opinion of the public/including them in large projects at sea / especially childresn/young people so that
2 I would change Think of a role for fishing industry so that
2Environmental impact I would
Need more knowhow on
how the currently existing ecosystem is affected by the “platforms” so that
Negative environmental impact can be avoided, potential positive impact can be enhanced
2Environmental impact I would
Need more knowhow on
which species to combine, or combinations of fish and seaweed cultivation so that The design is efficient
2Environmental impact I would
Need more knowhow on The nutrient depletion of the seaweed so that The north Sea will remain rich in nutrients
2Environmental impact I would
Need more knowhow on Nutrient streams at sea so that
Good multi tropic setups of seaweeds / mussels / eventually fish can be established
2Environmental impact I would
Need more knowhow on Are there ample nutrients? so that
2 Structural design I would Flexibility structural so that
2 Structural design I would change flexibility of solar panels so that Optimum stiffness/flexibility ratio is known
2 Structural design I would Consider concept of survival mode so that In heavy seas
2 Structural design I would Keep the flexible setup of the floating solar panels so that More forces are reduced
2 Structural design I would keepthe structures as flexible & lightweight & simple as possible so that Forces and costs are kept minimal
2 Structural design I wouldNeed more knowhow on Behavior of floating flexible solar panels so that They will last at sea
3 Efficiency of layout I would changeLayout of floating solar panels to avoid sea animals and birds climbing on them (seagulls) so that They remain clear
3Environmental impact I would Surface treatment top/bottom so that Fouling / birddtoppings
3Environmental impact I would
Need more knowhow on
Salt deposition on the solar panels with little over toppings so that
Quadrant area
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3Environmental impact I would
Need more knowhow on The impact of salt water on the solar panels so that
The design could be optimised taking into account efficiency solar panel
3Environmental impact I would
Need more knowhow on
Influence of migrating birds (and their feces) on solar panel coverage and how well can get rid of the birds so that
4 Efficiency of layout I wouldNeed more knowhow on
Impact of shading of large artificial islands / what about seabed shading? so that
4Environmental impact I would
Need more knowhow on
how effective the solar panels are if water is on the surface of the mats so that
the structure functions properly for what it is designed to do
4Environmental impact I would
the design of solar panels needs to be regularly washed with fresh water to maintain their efficiency so that Their design should be proven
4 Structural design I wouldNeed more knowhow on
Electrical cable strength over time (for the PV) panels so that
It can be ruled out that cable fatigue in real life is not an issue
4Environmental impact I would
Need more knowhow on
The effect of the solar panels on the heat absorption of the sea so that
We know till what extent the water will heat/ cool
4Environmental impact I would
need more knowhow on
The consequences of large black surfaces in the rise of temperature in general so that
We don’t become contra productive regarding global warming
Category I WOULD ACTION PART SO THAT RESULTQuadrant area
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4. Fail forward & one small next step
DescriptionIn this exercise we concluded with participants indicating what the thing is we need to do first before anything else to achieve multi-use offshore farms. Additionally, participants described one small step toward a multi-use offshore farm future.
Results
Many participants showed their interest in continuing research in pilots and consortia so we will be working on next steps.
the one thing that we need to do before doing anything else
after this workshop I
herewith commit to advance the realisation of multiuse offshore farms by
and Im looking for collaboration on feel free to contact me at
collaborate more, map who is active in this fieldlooking into the poduction process of seaweeds cultivation process [email protected]
keep working together audreysharing my knowledge on ecological impacts doing a full scale pilot on the nos [email protected]
know more on the ecological impact of large scale seaweed farming
saskia mulder
bringing in knowledge on ecological impact spacial planning [email protected]
Start Pilot Jack Sp??? pitchin for boskalis fleet support excecuting a pilot [email protected]
establish concept of multi-use structures according to real condition zhan min
numerical simulations and experiments floating structures [email protected]
set up a group of interested parties with specialities to support this idea
rober van de wiel developing floating offshore solar biofuleing and maring growth
[email protected] 31657674210
incorporate all stakeholders jack spez freeing r&D developmentdesinging and installation techniques [email protected]
combining forces and set up an active consortium
Hilde Vaessen
Woring on increasing seaeed procutivitiy seaweed procution and ecology [email protected]
Build proves of concept to receive funding to realise the ideas Maarten Working at oceans of energy selling floating solar
Make sure that the individual parts soud & viable themselves Mark Things about technical concepts [email protected]
tenjoy this nice day at marin, thank you ErwinShare idea's about underwater calbes and conectors eclector conections under water
erwinvanderschee [email protected]
keep improving the modelling of multiuse wind parks Lisanne
investigation the potential of farming/aquqculture ecology [email protected]
Get the wind park operators involved keep in toch with the partites field test [email protected]
source funding for such R&DConsidering other uses oWF [email protected]
Get wind park owners on board Anna Carr discussing possiblities internally pv aspects [email protected]
involve fisheries industry fishermen lex varieous items [email protected]
get financing doby studying motinos an loads on structures this [email protected]
marnix marnix discussing and combining research multiuse [email protected]
Keep up to date with all relevant, broad research Hugo developing isogeometric FSI modelsloading and response but also everything else [email protected]
build a consortium, possibly a non-profit organisation where individuals and government organisations and contractors could participate at same level to distribute knowledge world wide and avoid freezing by patents J P Sauvage replying to BV management certification/consultancy
research a way to effectively predict dynamic behaviour of flexible structures Luc being an active part in the discussion [email protected]
get all stakeholders using the sea involved and take that we can care of our precious resources Annemarie getting my company involve
any engineering subject that comes up [email protected]
create awareness how little space is left on the north sea bert de groot spreading the word of its necessity future innovations [email protected]
keep an open mind on possible synergies Simon doing research on agreed topic a thesis [email protected]
consider the impact and optimise designs of multi-use wind farms gabrielle facilitating public-private partnerships offshore wind innovation [email protected]
create mutual benefits for all stakeholders Niekventilating my ideas and incorporating them design and realisation [email protected]
publish and inform general public to ensure future public support Jack Span adding to publications [email protected] the interaction between environment and structures as well as structures amongst each other S. Schreier
investigating FSI of flexible lightweight structures floating solar projects [email protected]
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