planning the future together - northseawindpowerhub · 2018-11-23 · planning the future together....
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WindEurope Conference 2018Side event North Sea Wind Power Hub
Hamburg | September 2018
PLANNING THE FUTURE TOGETHER
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VISION AND WORK IN PROGRESS
REINALT NIJBOER
PROJECTMANAGER
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WINDEUROPE 2017: 3 CONCEPT PAPERS PRESENTED
27 September WindEurope 2018 3
■ 80-95% reduction (compared to 1990) in CO2 emissions before 2050
■ full decarbonisation of the electricity supply well before 2045
Bio
Hydro
Nuclear
PV
Onshore
wind
Offshore wind
(other seas)
Offshore wind
(North Sea)
■ large scale, far offshore
wind
■ accelerated deployment
■ cross-border spatial
planning
■ minimum impact / maximum
benefit to environment
■ sufficient interconnection
capacity to maintain
operational security
■ flexibility to support non-
dispatchable generation
Concept Paper 1 - The Vision
Perspective - power system
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WINDEUROPE 2017: 3 CONCEPT PAPERS PRESENTED (2)
4
International
Coordinated Roll-Out
(ICRO)
Synergies between
wind farm transmission
assets and
interconnectors are
maximized within a total
system internationally
coordinated framework.
National Incremental
Roll-Out
OWF transmission
assets and
interconnectors are
developed as individual
projects and are
connected to the closest
national onshore
connection point in a
radial and uncoordinated
manner.
vs
Concept Paper 2 - Modular Hub
and Spoke
■ cost reductions from optimised offshore connection concepts, economies of scale, synergies with interconnection functionality and coordinated approach to
reinforcement of the onshore grid and system integration
■ additional socio-economic benefits from energy market coupling
Perspective - power system
Concept Paper 3 – Hub as an Island
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DEVELOPMENTS 2018
Opportunity Statement NSWPH“We see an opportunity for internationally coordinated, large scale far offshore wind energy from the
North Sea: an opportunity which would deliver energy at competitive prices around 2030 and facilitate
meeting the Paris agreement.
Therefore we are committed to explore and develop regional socio-economic beneficial and reliable
offshore infrastructure, including possible conversion into P2G, that supports wind farm operations and
interconnections between markets.”
NSWPH organisation in place: based on TECOP
Assessment phase: Road map developed
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TWO INTERRELATED TASKS DEFINED
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2030 – 2050
International Coordinated Roll-Out (ICRO)2035 NSWPH project
module #1
System Project
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INTERNATIONAL COOPERATION NEEDED
Assess phaseStakeholder
Interaction
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OWF SPATIAL PLANNING COST DRIVERS
STACY BARNES
TEAM LEAD ECONOMICS
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CONTENTS
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1. Introduction
2. Purpose
3. Approach
4. Point of departure: share & learn
5. North Sea user functions
6. First observations: share & learn
7. Next Steps
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North Sea Spatial Planning
POLICY MAKING CHALLENGES
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?
Public Concerns
Environmental
Techno Economic
Spatial Claims
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WHY IN RELATION TO NSWPH
Leg 1:
North Sea International
Coordinated Roll Out
Leg 2:
First Concrete Concept
Long term
spatial plan
Where?
1127 September WindEurope 2018
Source: NSWPH Concept Paper ‘The Vision’
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PURPOSE
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OWF Locations
Spatial ClaimsPublic
Concerns
EnvironmentalTechno Economic
Co-utilization
€km
m
MW/km2
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APPROACH
Set point of departure Preliminary grid connection
system, locations, users & test
LCOE
Short list based on cost,
nature, visibility
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POINT OF DEPARTURE
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Focused on:
• Electrical infrastructure
• ‘End Game’
• Offshore OWF & TA
Offshore Wind Farm:
• Depth ≤ 55 m
• Size near ~ 1 GW
• Turbine: Fixed foundation
15 MW
• Capacity factor ~ 55%
Focus Area
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OFFSHORE GRID CONNECTION SYSTEM
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Schematic of offshore grid connection systems: AC-radial, DC-radial, Hub and Spoke
Legenda
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NORTH SEA CURRENT SPATIAL CLAIMS
• North Sea multiple users and stakeholders
• Known appointed areas ~ 65 to 80 GW capacity
• Exclusionary approach leaves small,
scattered OWFs
• Remaining space (≤ 55 m) ~ 13,190 km2
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NORTH SEA USER FUNCTIONS
• Co-utilization & Adaption
• Excluded:
- Cumulative impact costs of the total ‘roll
out’
- Broader perspective ‘shifted user’
- ‘Procedural’ project delay
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Co-utilization
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FIRST OBSERVATIONS
“Search Area” considered by national
authorities as possible OWF areas.
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Co-utilization
Essential
Hub Size
Power Density
AC Infra
Wake Losses
Cost Drivers
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FIRST OBSERVATIONS HUB ISLAND
BENEFITS
ALEXANDER VINK
TEAM LEAD COMMERCIAL
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INITIAL THINKING AROUND NSWPH AS AN ISLAND
Key questions WindEurope 2017 Amsterdam:
• What benefits would an artificial island have for wind farm installation and O&M at locations
>250 km from shore/port?
• What requirements are important to wind farm developers for co-development of such an island
to realise these benefits? >> which business models support realising the identified benefits?
• Could the design of an artificial island contribute to a 10-15% cost reduction for wind turbine
O&M far from shore (>250 km)?
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CONTINUED ASSESSMENT OF POTENTIAL BENEFITS
Offshore Windfarm benefit study with TNO/ECN (2018)
• Starting point study:
• What benefits would an artificial island have for wind farm installation and O&M at locations >250 km from
shore/port?
• Market consultation Schiphol 3 July
• 18 industry participants (OWF, SC, Dredgers)
• Open and interactive discussion on initial assumptions
• Feedback from participants led to valuable new insights
• Based on these insight consortium and TNO/ECN decided to investigate 6 options
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Based on industry feedback first focus on:
• Installation & Commissioning (I&C)
• Marshalling Harbour
• Crew stationed on island for commissioning
• Sheltering base in lee of island/ in island port
• Operation & Maintenance (O&M)
• Accommodation of O&M personnel
• Large warehouse to store spare parts
• Shared jack-up barge
FIRST OPTIONS IDENTIFIED
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2035 ONWARD PLAN – KEY ASSUMPTIONS – I&C
• 4 WF x 65 WT x 15 MW = 3.9 GW/year (260 WT)
• Ports:
• Installation ports Seaton and Sunderland
• Foundation: Rotterdam (380 km), Ijmuiden (320 km)
• WT: Esjberg (380 km), Eemshaven (340 km)
• Max distance WF to island: 30 km
• OHVS (Offshore High Voltage Substation) & export
cables excluded
• SOV: 2 weeks on/ 2 weeks off; crew change:
island or “onshore” port
• SES: 2 weeks on/ 2 weeks off; after every 12hr
shift: return to island
WindEurope 2018
SES (left) and an SOV (right)
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I&C : ISLAND AS MARSHALLING HARBOUR
Insight benefit of marshalling
harbour at island:
• Less JUV (Jack Up Vessel) vessels needed (6 instead of
8), leading to a decrease in mob/demob costs
• Significant less travelling time causing also less weather
delays, components are supplied by feeder vessel in
advance (summer)
• Increase costs of un/load at island is compensated by
significant travel time
• Most benefit in marshalling harbour for both foundation
and wind turbine installation
Benefit: ±12 M€/GW or ± 10% reduction
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ISLAND FOR COMMISSIONING & SHELTERING BASE
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Insight for commissioning
• Constructed 4 WF/year to be commissioned during last quarter on each
year
• SES has significant lower day rate than SOV, SES has significant lower
workability than SOV
• Benefit in SES, island based, is limited at 569 k€/GW installed
Insight for sheltering around island/in island
port:
• Sheltering JUV needed when Hs > 6 m
• Hs> 6m happens 7 times in 10yr period at Dogger Bank, conform
Metocean data
SOV SES
k€/day 50 10
Hs (m) 3 2
Accessibility ~91% ~72%
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2035 ONWARD PLAN – KEY ASSUMPTIONS – O&M
• 3.9 GW WF: 18700 GWh/year ~4800 Full Load Hrs/yr
• O&M Ports in case not from island: O&M: Seaton UK,
Sunderland UK (220 km)
• Max distance WF to island: 30 km: 12 – 36 GW
• SOV: 2 weeks on/ 2 weeks off; crew change: island or “onshore”
port
• SES: 2 weeks on/ 2 weeks off; after every 12hr shift: return to
island
• Spare parts < 2 ton handled by SOV; heavier spare parts are
handled by JUV
• JUV in island port: 10% of traveltime vs “onshore” port
• JUV permanent under contract of WF operators: day rate -/-
33% vs spotmarket
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BENEFITS ISLAND FOR O&M PURPOSES
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• Accommodation of O&M
personnel on island
• Although SOV travel time ↓, no
significant benefit
• Costs of SES from island 24/7 <
SOV from island, but SES
workability < SOV leads to
increased repair time and
reduced production
• Benefit max: SOV 24/7 from
island → 0.143 €/MWh
• Shared jack-up vessel at
the island combined with
large warehouse
• mobilisation time is significantly
lower
• travel time is significantly lower
causing lower weather delays
• Result: fast response resulting
in lower standstill times and
greatly reduced lost production
• Benefit: 0.6 €/MWh produced
• Warehousing for large WTG
spare parts on island
• Spare parts between 2-100mT are
stored at island
• Costs of warehouse at island is not
included
• Downtime decrease is very limited
(0.1%)
• Small cost increase: 0,005 €/MWh
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NEXT STEPS
Internal Consortium
• Finalise report with TNO/ECN
• Conduct internal cost/benefit analysis
• First preliminary observations
External
• Follow up of the 3 July MC session (international airport):
• aim to refine assumption sheet and discuss more in depth the findings.
• Discuss and review together the assumptions investigated and discuss which other options
could prove beneficial?
• Open for bilateral meetings to discuss!
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NSWPH IN THE CONTEXT OF THE NORT
SEAS OFFSHORE ENERGYCLUSTERS
STUDY
UWE WEICHENHAIN
ROLAND BERGER
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ROLAND BERGER SLIDES IN SEPARATE FILE
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PLANNING AND PROCES GOING FORWARD
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PROCESS OUTLINE
Today2030-2035
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