wave hub cie presentation 21 apr 05 · 2015. 6. 30. · wave hub equipment wave hub system diagram...
TRANSCRIPT
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‘WAVE HUB’ A Future for Wave Energy in
Cornwall
Dr Mike Patching BEng, PhD, CEng, MEI
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‘Pelamis’ - Wave Energy in Action !!
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Wave Hub - What is it?
Simple idea! § An area of sea with an electrical cable and connection point
offshore into which arrays of Wave Energy Converters will be connected
§ A connection to the National Grid for initially up to 30 MW
of wave power
§ Permits to allow connection and operation of the facility
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Why are we doing it?
§ Demonstrate commercial viability of wave energy
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R&D
Initial prototype
Refined prototype
Pre- commercial device
Market entry with commercial product
Market penetration
Demonstration NaREC
Wave Hub
EMEC
Wave Hub … a route to commercialisation
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What do we hope will happen?
§ Demonstrate commercial viability of wave energy
§ Maintain and strengthen the UK lead in marine renewable energy
§ Develop a new industry in the South West
§ Contribute significantly to the South West renewable energy generation
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Where did it come from?
§ 2001 SWRDA Regional Renewable Energy Strategy § 2002 Agreement to support biomass, wave and tidal power § 2002 Set up Regen SW § Oct 2003 Seapower South West Report § Jan 2004 METOC Seapower SW Review § April 2004 Wave Hub Feasibility Study Starts
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Feasibility Study Organisation
PROJECT MANAGERSCOTT WILSON OCEANS
Dr Mike Patching
SWRDAMr Dominic Vincent – Environment Manager
Advisory Group Regen SW
AD LITTLE' Business Case'
HALCROW'Technical Feasibility
Study'
BOND PEARCE'Consents and
Permits'
D CLARK'Publicity'
CSEP'StakeholderConsultation'
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Project Requirements (What do we need to do?)
§ A site (offshore and onshore) § A suitable resource (wave energy) § A grid connection § Feasible technology (practical and cost effective) § A business case (market need and financially viable) § Legally allowed to do it (permits and consents including an
EIA) § Stakeholder support
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Grid Connection Options
Western Power Distribution Network
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Inshore shipping route
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Wave Energy Converter Arrays
Gen
Gen
Gen
Cable
Support Buoys
33kV Sub-Sea Cable
Wave Hub
Substation
33kV Cable Joint
Utility Company Substation
33kV Bus-bar Connection Point
Cable Duct Directionally Drilled
Through Sand Dunes
33/11kV Power
Connection Unit
11kV Wave Energy Device
Connection Cables
11kV
Cable
Splices
Termination &
Distribution Unit
11kV Wave
Energy Device Cables
WAVE HUB EQUIPMENT
Wave Hub System
Diagram Figure5.3
33/11kV Power
Connection Unit
11kV Wave Energy Device
Connection Cables
1 x 3-core 33kV Underground
Cable
33kV PCU
Connection
Cables
Shore based equipment
Wet Hub
Communications and
Control
33kV Circuit Breakers
Workshop
Gen
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The wet hub
§ Sub-sea transformers
§ Remotely operable sub-sea switchgear and protection systems
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Typical 33kV Cable
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Potential Benefits
The potential to create an International industry in SW
§ Development of wave energy sector and associated supply chains – including marine technology and advanced engineering resulting in over 450 jobs in the
SW by 2010 and 700 by 2020. § Inward Investment
– GVA from indirect impacts to the SW of £15million and £27 million respectively with 20-40% expected in Cornwall.
§ 20MW wave power produced and sold by 2008 – supplying 14,000 homes; meet up to 30% of Cornwall’s renewable energy target and
up to 5% of the Regional target. § Links to Higher Education
– Centres of Excellence in CUC, Plymouth and Exeter leading to the establishment of a high profile wave energy R&D base in west Cornwall.
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Wave Hub – a long way to go!
Major issues to be addressed: § Funding § Consents and Licenses § Stakeholder Agreement § The Wave Device Developers § Engineering Studies and Surveys § Detailed Design § Procurement § Construction § Operation
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Permits & Consents
§ Electricity Act 1989 Section 36 (DTI) § Food & Environment Protection Act 1985 (DEFRA) § Coast Protection Act 1949 § Town & Country Planning Act 1990 § Electricity Act 2004 § The Marine Bill ? § European Legislation - EIA Directive § Nature Conservation Directives § SEA § Crown Estate § ING
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Contracts
§ Power Purchase Agreement (PPA) § Device Developer Agreement(s) § Engineering Procurement and Construction (EPC) § Grid Connection Agreement § Management, Operation and Maintenance Agreement § Metering Agreement § Company Formation
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Costs
Wave Hub Development and Construction Estimated Costs
Stage 95% probability ofbeing exceeded
Mean probability 5% probability of beingexceeded
Development £1.25 million £1.42 million £1.60 million
Construction £11.41 million £12.42 million £13.45 million
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SWRDA WAVE HUBPROJECT TIMELINE 2006 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
DEVELOPMENT:SWRDA Funding & Staff
Carry out EIASite SurveysEngineering design for EIA
DTI/CE/DEFRA ConsultationPlanning Route MapPlanning Applications Granted
Wave MeasurementEnergy AnalysisEngineering Specifications
WHMCBusiness Plan and Funding
Contracts (Developer, Grid, EPC)
Design & Tender for Construction (OJEC)
PROCUREMENT: Wave Energy DevicesWet Hub (transformers)CablesSwitchgear
CONSTRUCTION: ONSHORE OFFSHOREGrid ConectionCommissioning
OPERATION:
2005 2006
CAPITAL FUNDINGGRANTED FOR PROCUREMENT & CONSTRUCTION
PLANNING
WHMC CONTRACTS WITH DEVELOPERS, UTILITY AND EPC CONTRACTOR
Appoint WHMC Managing Director
MOU with Project Developers
Complete Business Plan & Apply for Funding
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Conclusions
§ It is Technically Feasible !! § It is wanted and supported by Industry and Government § It is supported by SWRDA § It appears to have positive environmental benefits and
negligible negative impacts (to be confirmed by EIA) § It has Local Stakeholder support (so far) § It is legal § It requires a lot more work! § It will cost - but not excessively so! § We are not alone!