K St tKen Street - Business Development Director

Orecon’s 1 5MW MRCOrecon s 1.5MW MRC – a wave energy device for a 25 year commercial life

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Orecon in BriefOrecon in Brief• Established 2002

CORNWALL

• Established - 2002• Venture capital investment - 2008• Team of 10 based in Cornwall

Bodmin

• Team of 10 based in Cornwall• Device developer• OWC technologyOWC technology• Full scale deployment Portugal -

Spring 2011

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Steps to a commercial deviceSteps to a commercial devicePTO and Auxiliary Systems

E i t & S li l tiR&D

• Device type • Equipment & Supplier selection• System Testing

• Device type • Tank Testing• W2WM

Survival• Structural loads

C ti

Performance• Operation & Maintenance• Scale

PTO• Reliability• Availability• Coatings

• Moorings• Standards - DNV

Scale• Yield

Availability• Maintainability

Learning Rates• Construction - (Capex)• Performance – (Yield)

Stable Platform

Commercial DeviceCompetitive Cost of Powerp

Oscillating Water Column (OWC)Oscillating Water Column (OWC)

Equipment & Supplier selectionEquipment & Supplier selection• Sub-contractors leaders in their fieldSub contractors leaders in their field

– DNV – Third party audit & certification– BPP-Tech – naval architecture– Tension Technology International – mooring design– Converteam – power system, control, grid integration– Dresser-Rand - turbines

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HydroAir™ Exclusive AgreementHydroAir™ - Exclusive Agreement• Shoreline• Shoreline

– Breakwater– CliffCliff

• Deepwater– MRC

Confidential

HydroAir™ - Variable Radius Turbine (VRT)HydroAir - Variable Radius Turbine (VRT)

Rotor• Designed for OWCs RotorFixed guide vanes

Designed for OWCs• Impulse• Fixed geometryFixed geometry• Only rotor moves• High efficiencyg y• Wide operating band• Slow speed• Self starting• No stall condition

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HydroAir™ out performs WellsHydroAir™ out performs Wells

Confidential 8

PTO TestingPTO TestingComplete PTO system –W t G id t ti t ¼ l

More than 400hrs of Wave to Grid testing at ¼ scale. compliant power supplied

into the national grid

Confidential 9

R&D EvolutionR&D Evolution

• 30 scale models• 3500 runs• 1050 tank hours

• Reduced massReduced cost• Reduced cost

• Increased efficiency• Increased yield• Easier to build• Easier to build• Easier to install

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Simplicity = ReliabilitySimplicity = Reliability

M lti R t Ch b W t li• Multi Resonant Chamber• 1.5MW, 33kV, 50/60Hz

Steel structure

Waterline

• Steel structure• Tension moored• All maintenance onboard• All maintenance onboard• 25 year design life• Environmentally passiveEnvironmentally passive• DNV certification

Tension mooring

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Basic LayoutTurbine/Generator

Basic Layout

Machinery Space

Front Chambers

Rear Chamber

Wave to Wire Model (W2WM)Wave to Wire Model (W2WM)

C f• Compare performance

• Check effect of control changeschanges

• System upgrades

• Fault finding

• What’s important and what’s not?

• Better yield predictions

But.........CALIBRATE - VERIFY and then do it again!

• Reduce R&D costs

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and then do it again!

EnvironmentalEnvironmental• Noise - turbine is low speed p

low noise

• No biocides - silicone based

MRC seen from 5 miles (8km)

marine coatings eliminates chemical leaching

• Entrapment No risk to• Entrapment - No risk to marine life

• Life time deployment - device p yis maintained on station for minimum disruption

1425/02/2009

Portugal Orecon & EneolicaPortugal – Orecon & Eneolica 2009 2010 2011 2012

MOU signedMRC 1 construction MRC 1 install & test 1.5MW

4.5MW

MRC 2&3 construction

MRC 2&3 install

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construction

Orecon PrioritiesOrecon Priorities • Demonstrate survivalDemonstrate survival

• Demonstrate reliability

• Trial deployment• Trial deployment

• Final validation of W2WM Perfect Storm – worst case scenario!

• Trial Operation & Maintenance routines

• Demonstrate at commercial scale

• Inform the design for units 2 & 3

• Inform future designs

Titanic – expect the unexpected!

Learn - Understand - Improvep p

FinallyFinally ....

A wave energy device for 25 years operationA wave energy device for 25 years operation

Is it feasible?

We believe the answer is YES.

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Road to DNV certificationRoad to DNV certificationConcept review

Preliminary design – stage 1 Statement of Feasibility

Detailed design

Preliminary design – stage 2

Fitness for Service Statement

Fabrication & Assembly Surveillance / Survey reports

Offshore installation

Testing / Commissioning Prototype Readiness Statement

Prototype Certificate

Operation & maintenance Type Certificate (conditioned)

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Array operation Prototype Certificate

Tank Testing S i l & P fTank Testing - Survival & Performance

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