class contribution to us offshore wind power industry · us offshore wind power industry . ......
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DNV GL © 2015 28 November 2017 SAFER, SMARTER, GREENER DNV GL © 2015
28 November 2017
Sergio Garcia & Arnstein Eknes
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International Work Boat Show - Conference 2017
New Orleans
Class contribution to US Offshore Wind Power industry
DNV GL © 2015 28 November 2017
About DNV GL 153 year history
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Assurance Maritime
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Maritime Services: o Ship & Offshore Classification o Maritime Advisory o Verification
Authorised for ACP
5% Revenue devoted to R&I => Innovation & Standards
DNV GL © 2015 28 November 2017
HARSH
WEATHER
CONDITIONS
REGULATORY
FRAMEWORKS
GRID
BOTTLENECKS
INCREASING
DEPTHS
FURTHER
OFFSHORE
LARGER
WINDFARMS
TECHNOLOGY
MATURITY
VARYING POWER
PRICES
ENERGY YIELD
VESSEL
AVAILABILITY
AND CAPABILITY
SUPPLY CHAIN
CHALLENGES
RELIABILITY
Continuous pressure to reduce costs and
manage risks
PORT
INFRASTRUCTURE
Complexity of offshore wind project
DNV GL © 2015 28 November 2017
DNV GL Offshore Wind - Full Life Cycle Approach
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- Energy: Site selection, Project design optimization, Project development support, Construction management,
Turbine planning - modeling - load analysis, Data collection - analysis – management, Technology reviews
- O&G Noble Denton Marine: Due diligence and bankability, Marine operations and offshore installation, Marine
operational readiness and warranty surveys, Offshore operations and asset compliance, Offshore asset
management
- O&G Risk Management: Environmental Risk Management, Health and safety management plan, Oil Spill
Response Plan, Navigational risk assessment to comply with U.S. Coast Guard NVIC 02-07
- Software: Engineering and strength assessment (Sesam), Structural integrity management (Synergi Structure),
Risk & integrity management strategy (Synergi Life)
- Business Assurance: Management Systems Certification ISO - OHSAS, Sustainability, Supply chain
management
- Maritime: Ship and Offshore Units - Classification, Technical and Management Advisory
DNV GL © 2015 28 November 2017
Vessel & equipment market study
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DNV GL © 2015 28 November 2017
Wind Turbine Installation Vessel (WTIV)
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Source: Swire Blue Ocean AS
Facts and figures: • Operator: GeoSea
• 135 x 42 m, DP2, 12kn
• 120 compartments
• ≤ 50m water depth
• 4 lattice legs, rack & pinion jacking system
• main crane 1.500t
WTIV “Innovation”
Facts and figures: • Operator: Swire
• 155 x 49 m, DP2, 13kn
• 111 compartments
• ≤ 75m water depth (with leg extension)
• 4300 m2 deck area, 6 lattice legs, rack & pinion
• main crane 1.200t
WTIV “Pacific Orca ”
DNV GL © 2015 28 November 2017
DNV GL WTIV FLEET
16 of the current global fleet of 34 WTIVs are DNV GL classed (47% market share).
Typical Class Notation: Self-elevating Wind Turbine Installation Unit SPS Crane Unit OPP-F
E0 DYNPOS-AUTR DPS2 NAUT-OSV(A) CLEAN DESIGN
Some WTIV being upgraded (leg extension, crane higher capacity) due to trend for larger Turbines from 4
(2010) to 8 (2016) to 12MW (near future). Typical 5-6MW, 150m dia, 400T, 110m height.
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Unit name Build Year Flag Unit manager Yard name
SEA CHALLENGER 2014 DNK A2SEA A/S COSCO (Nantong) Shipyard Co., Ltd.
Aeolus 2014 NLD Van Oord Ship Management B.V. J.J. Sietas KG
BOLD TERN 2013 MLT Fred. Olsen WIndcarrier AS Lamprell Energy Ltd.
VIDAR 2013 DEU Hochtief Solutions AG CRIST S.A.
BRAVE TERN 2012 MLT Fred. Olsen WIndcarrier AS Lamprell Energy Ltd.
SEA INSTALLER 2012 DNK A2SEA A/S COSCO (Nantong) Shipyard Co., Ltd.
Innovation 2012 DEU GeoSea S.A. Crist S.A.
Pacific Orca 2012 CYP Swire Blue Ocean A/S Samsung Heavy Industries
Pacific Osprey 2012 CYP Swire Blue Ocean A/S Samsung Heavy Industries
MPI ADVENTURE 2011 NLD MPI Offshore Limited COSCO (Nantong) Shipyard Co., Ltd.
MPI DISCOVERY 2011 NLD MPI Offshore Limited COSCO (Nantong) Shipyard Co., Ltd.
MPI Enterprise 2011 NLD NSB Niederelbe Schiffahrtsgesellschaft DSME Okpo, Korea
M/V Torben 2011 LBR GO Offshore Pty. Ltd DSME Okpo, Korea
Wind Lift I 2010 DEU Maritime Management Cuxhaven GmbH Vakaru Laivu Gamykla AB
Thor 2010 DEU GeoSea S.A. Stocznia Gdynia S.A.
MPI RESOLUTION 2003 NLD MPI Offshore Limited Shanhaiguan Shipyard
DNV GL © 2015 28 November 2017
Wind turbine installation vessels (WTIV)
2@1500t, 4@1200t, 4@1000t,
3@900t, 5@800t, …
10 capable of installing 8MW turbines
(and/or their foundations)
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Sea Installer with 8MW turbines at Burbo Extension
DNV GL © 2015 28 November 2017
Global Newbuilding Contracting and Orderbook
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newbuilding to pick up due to demand for
bigger vessels for next generation of WTG
Source: Clarksons
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4
24
11
3
13
44
3
1
4
6
8
10
0
#
12
2
5
Newbuilding contracting (incl. conversions)
on order
delivered
year of contract signed
34 vessels in service worldwide
7 ships currently on order
DNV GL © 2015 28 November 2017
Many different concepts on drawing board
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DNV GL © 2015 28 November 2017
WTIV Class and Statutory Regime
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Jack-up? Cargo ship? Special Purpose ship?
• No mutual approach for certification amongst the Flag states
• Commonly MODU-Code and SPS-Code applied simultaneously
: ?
Class: fit for purpose Rules developed from Heavy Lift ships and Jack-ups
Statutory:
DNV GL © 2015 28 November 2017
WTIV Classification Regime – cont’d
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Decision about slider position currently
prerogative of the competent Flag State
As clear IMO guidance is currently missing, early consultations between all
involved parties required (owner, yard, class, flag)
Meanwhile DNV GL supports owners / yards finding the most suitable regulatory
approach for maximized availability of their particular vessel and obtaining flag
state agreement of this approach
DNV GL © 2015 28 November 2017
Examples of Exemptions justified to Flag
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PAX / SPS
WTIS
``Area 3040``
``maxGZ``
• Geometry of WTIS: WTIS relatively much wider than
conventional vessel
• Solution:
Challenges in applying SPS-Code to WTIS:
heel [°]
righting lever
[m]
10 20 30 40 50 0
1
2
-1
Hull cross section
12m
32.20m
Hull cross section
40.00m
~8m
DNV GL © 2015 28 November 2017
Examples of Exemptions justified to Flag – cont’d
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• Double bottom: h=B/20 required by SPS-Code
• Pan-max Cruise Ship (B=32.20m): h=1.61m
• WTIS (B=40m): h=2.00m
• WTIS higher DB-requirements despite lower
speeds and much smaller length than pan-max
cruise ship
• Problems for WTIS such as • weight (jacking)
• space above double bottom
• Solution:
Challenges in applying SPS-Code to WTIS:
PAX / SPS
Hull cross section
12m
32.20m
Hull cross section
WTIS
40.00m
8m
DNV GL © 2015 28 November 2017
WIND FARM SERVICE VESSELS or CREW TRANSFER VESSELS (CTV)
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• Windfarm service vessels (typical smaller service crafts), are on the range 20m to 40m length.
• There is a large number of these vessels classed
by DNV GL, ranging from catamarans over SWATHs to trimarans. Typically in aluminum, high speed.
• Typically used for day transfer or day service.
DNV GL © 2015 28 November 2017
WIND FARM Service Operation Vessels (SOV)
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DNV GL © 2015 28 November 2017
WIND FARM SOV FLEET
SOVs are recent trend in Europe for larger, dedicated, fit for purpose “mother
vessels” to service wind farms w/ technicians living on board, using special
gangway systems and some having helideck, typically 60+ people onboard (in
addition to crew)
All 6 current operating and 4 under construction Wind Farm SOVs are classed by
DNV GL
Typical Class Notation: Offshore service vessel SPS BIS BWM(T)
Clean(Design) COMF(C-3, V-3) DK(+) DYNPOS(AUTR) E0 HELDK LCS(DC)
NAUT(AW) Recyclable SF
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Unit name Build Year Unit manager Yard name Operator
TBN 2018 Østensjø Rederi AS Astilleros Gondan (hull 470) DONG
TBN 2017 Østensjø Rederi AS Astilleros Gondan (hull 471) DONG
Bibby WaveMaster 1 2017 Bibby Marine Services Damen Shipyards Galati
WINDEA Leibniz 2017 Bernhard Schulte Shipmanagement GmbH & Co. KG Ulstein Verft AS (hull 310) Siemens
WINDEA La Cour 2016 Bernhard Schulte Shipmanagement GmbH & Co. KG Ulstein Verft AS (hull 309) Siemens
ESVAGT Njord 2016 Esvagt A/S Havyard Ship Technology AS (hull 125) Statoil
ESVAGT Froude 2015 Esvagt A/S Havyard Ship Technology AS (hull 118)
ESVAGT Faraday 2015 Esvagt A/S Havyard Ship Technology AS (hull 119)
SIEM Moxie 2014 Siem Offshore Poland SP. z o.o. Fjellstrand AS (hull 1697)
SIEM Emerald 2009 Siem Offshore AS Kleven Verft AS (hull 329)
DNV GL © 2015 28 November 2017
US Offshore Wind
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DNV GL © 2015 28 November 2017
NE States combined reports
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US Jones Act
Compliant
Offshore
Wind Turbine
Installation
Vessel Study
Northeast
Offshore
Wind
Regional
Market
Characteri
zation
US Job Creation in
Offshore Wind
DNV GL © 2015 28 November 2017
Developments in the market
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DNV GL © 2015 28 November 2017
Change in primary energy demand 2016-40 (Mtoe)
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Source: IEA – Nov 2017 (World Energy Outlook)
DNV GL © 2015 28 November 2017
Global electricity production in 2050
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DNV GL – The Energy Transition Outlook 2050
Energy Transition Outlook - Now available as a report
here: https://eto.dnvgl.com/2017/
DNV GL © 2015 28 November 2017
From status in 2016 – to predicted in 2020
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DNV GL © 2015 28 November 2017
What is the market doing?
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wind turbine
development
project
pipeline
vessels &
equipment
HEALTHY
INVESTMENT
DNV GL © 2015 28 November 2017
174 x 7 MW = 1218 MW
115 km from shore
Depth 23 to 37 m
3 offshore substations
Monopiles
Offshore base: 81m SOV
Offshore wind farm characteristics
Turbine sizes
Project locations
Water depths
Electrics
Foundation types
O&M
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North Hoyle (2004)
30 x 2 MW = 60 MW
9 km from shore
Depth 7 to 11 m
No offshore substation
Monopiles
15m crew boats
Hornsea One (2020)
DNV GL © 2015 28 November 2017
External factors - reduced material prices Technology development – larger and more reliable turbines
Increased competition / Lower cost of capital Project learning & operational excellence
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100 97
LCOE (£/MWh)
2010/11 2020 Target 2015/2016 2017
UK
-32 %
Since 2010, over £9.5bn has been invested in offshore wind in the UK, another £18bn will be invested in projects by 2021, making offshore wind
one of the biggest infrastructure programme in the UK.
?
Cost of offshore wind has fallen faster than anyone was expecting
DNV GL © 2015 28 November 2017
Recent expression of optimism for offshore wind
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DNV GL © 2015 28 November 2017
WTG development
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DNV GL © 2015 28 November 2017
Big is relative – size matters
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2011: Vestas launches V164 - 7 MW turbine
DNV GL © 2015 28 November 2017
Where does it end?
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Source: Global offshore wind power outlook 2017
DNV GL © 2015 28 November 2017
Project Outlook
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DNV GL © 2015 28 November 2017
Over 2GW of installed capacity per year
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DNV GL © 2015 28 November 2017
Large turbines (9GW+) to make market entrance from 2020
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Nacelle weight Hub height
<4MW 100t 90
5-6MW 250t 100m
7-8MW 400t 105m
9+MW 600t 120+m
DNV GL © 2015 28 November 2017
Larger share of deep water sites from 2020
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DNV GL © 2015 28 November 2017
Development pipeline for offshore wind globally
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Source: WindEurope
DNV GL © 2015 28 November 2017
Total global wind exceeds 35GW by 2025
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Source: WindEurope
DNV GL © 2015 28 November 2017
Future concepts – greater pre-assembly of turbines?
Beatrice Demonstrator (5 MW)
IHC installer concept
Hywind floating turbine – spar buoy concept
More pre-assembly onshore
But potentially more restrictive limits offshore
DNV GL © 2015 28 November 2017
Vessel access: Work boats
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DNV GL © 2015 28 November 2017
Vessel access: Small vessel access systems
Osbit MaXccess
TAS: Turbine access system
Many others…
See Carbon Trust Offshore Wind Accelerator concepts: http://www.carbontrust.com/our-clients/o/offshore-wind-accelerator
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DNV GL © 2015 28 November 2017
Vessel access: Large vessel access systems
Motion compensated platform
with walkway - examples:
Ampelmann
Uptime “Walk to Work”
Van Aalst “Safeway”
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Vessel should have:
DP2 or better
Typically 70m+ LoA
Ability to orient according to weather
DNV GL © 2015 28 November 2017
Offshore O&M bases: Floatels, motherships and fixed platforms
Chevalier Floatels’ DP Galyna
Damen “Walk 2 Work”
Horns Rev 2 accommodation block
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DNV GL © 2015 28 November 2017
DNV GL experience for the offshore wind industry
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DNV GL © 2015 28 November 2017 SAFER, SMARTER, GREENER DNV GL © 2017
Sergio Garcia Arnstein Eknes
[email protected] [email protected]
+1 832 392 0030 +47 948 66 883
Houston Oslo
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If one does not know to which port one is sailing, no wind is favourable.
- Lucius Annaeus Seneca -