2015 04 - graham hillier
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Graham HillierManaging Director of Development Services
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An island nation with… the best tidal resource in
Europe and second best worldwide;
a 1,400 year history of tapping this resource;
an abundant supply of the two ingredients needed for tidal energy at scale: shallow water and a large tidal range;
variance in tide times offering the potential for 24 hour generation.
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Low carbon electricity: 8% of UK electricity, secured within a decade
Energy security: reliable, home-grown and near continuous power supply from proven technology, lasting 120 years
Affordable energy: lowest generation cost of all electricity for 85 years following investment period. Lower support cost than most low carbon electricity; larger lagoons generate cheaper power
Investment in the economy: £30b + investment programme with at least 65% UK content
A national fleet of 6 tidal lagoons to deliver…
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Source: Statkraft 2015
Rapid decommissioning75% of thermal capacity to be decommissioned by 2030
Ambitious climate targets80% reduction in CO2 emissions by 2050
UK energy challenge
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6 lagoonsoffshore wind turbines4416 10 reactors= =
Installed capacity : 6 tidal lagoons, 15.9 GW ; London Array, 3.6 MW per turbine ; Hinkley Point C, 1.6GW per reactor
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Swansea Bay……where are we now? Planning / Consultation
Development Consent Order
Marine Licence
Environmental Management Plan
Construction preparation
Appointment of contractors
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Provides a framework for monitoring and mitigation
Details surveys and monitoring to be carried out throughout the life of the lagoon
Continuously updated and evaluated
Evidence-led
Adaptive Environmental Management Plan
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Tidal Lagoon CardiffIndicative design:Breakwater: 22km
Area: 70km2
Turbines: 60-90
Average tidal range: 9.21m
Installed capacity: 1,800MW-2,800MW
Annual output: 4TWh-6Twh p/a
Design life: 120 years
Generating power: 14 hours each day
Enough low carbon electricity to power every home in Wales *
*Average annual electricity consumption per Welsh household = 3,928 kWh. 1.319m Welsh households. Figures are based on DECC 2005 – 2013 electricity consumption statistics and average of 5TWh p/a.
NOTE: Figures are based on a single indicative design iteration and are not necessary representative of any scheme that may be developed
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Timeline
DCO / PINSProcess
Pre-Application
Construction
Power on
• Site investigation and survey work
• Environmental Impact Assessment (EIA)
• Design iterations to minimise effects
• Grid, access and construction methods identified
• Consultations to shape the scheme, and its benefits, before it is applied for
• The project cannot change once applied for
• Government Inspectors will consider all evidence
• This includes the opportunity for all stakeholders to submit written representations
2015 2017 2018 2022/23
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Tidal Lagoon Newport
NOTES: Figures are based on a single indicative design iteration and are not necessary representative of any scheme that may be developed
Early design options are being considered:Breakwater: 15km
Area: 30km2
Turbines: 30-45
Average tidal range: 9.46m
Installed capacity: 900MW-1350MW
Annual output: 2TWh-3TWh p/a
Design life: 120 years
Generating power: 14 hours each day
Enough electricity to power the equivalent of over 500,000 homes*
*Average annual electricity consumption per Welsh household = 3,928 kWh. 1.319m Welsh households. Figures are based on DECC 2005 – 2013 electricity consumption statistics and average of 5TWh p/a.
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Tidal Lagoon potential in Bridgwater Bay
Tidal range: 10.9m
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The vision:To enhance biodiversity alongside the generation of clean energy by 2030.
Redshank
European Eel
It aims to: Have a net positive effect for nature conservation,
rather than simply avoiding impacts or achieving a neutral outcome.
Address the compensation and ecosystem-scale mitigation requirements TLP anticipate will arise from tidal lagoon development.
Foster innovative and collaborative partnerships to deliver conservation action in the UK, EU and globally.
The EEP will have a strong governance structure to ensure appropriate oversight.
Mudflat creation
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tidallagoonpower.com
THANK YOU