energy efficiency and the environment
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Top concerns for the marine sector - managing energy efficiency and the environmentTRANSCRIPT
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© ABB Inc.April 24, 2023 | Slide 1
Top concerns for the marine sectorManaging marine efficiency and the environment
Stuart Melling, manager for marine and crane service, ABB Ltd
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© ABB Inc. April 24, 2023 | Slide 2
Top concerns for the marine sectorManaging marine efficiency and the environment
Challenges facing marine industry: Emissions reduction Improved fuel use Environmental impact of new builds Implementing energy saving technology
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© ABB Inc. April 24, 2023 | Slide 3
Challenges facing marine industryEmissions reduction – The facts
Recognised as cleanest form of transporting goods least damage per tonne of cargo
2007 global shipping industry emitted 1,046 million tonnes of CO2
3.3% of total global emissions
IMO predicts 250% rise in emission levels through sea transport growth
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© ABB Inc. April 24, 2023 | Slide 4
Challenges facing marine industryEmissions reduction – The facts
Ship exhaust emissions are industry's biggest polluter Shipping sector – so far – excluded from international
agreements Governments now want to include shipping in future
agreements By 2015 IMO implementing new sulphur emission targets
for marine fuel oil
Energy efficiency can reduce CO2 emissions by 25 to 75% for newbuilds and existing ships
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© ABB Inc. April 24, 2023 | Slide 5
Challenges facing marine industryImproved fuel use – The facts
Bunker fuel accounts for 50% of total transport costs Directly connected to crude oil prices - can only get more
expensive
Running auxiliary engines in port to create on-board power raises fuel costs
Creates emissions and negative health and environmental impact
Energy saving directly results in profit Take shipping company with 50% fuel costs and profits at 10%
of turnover: 10% decrease in fuel consumption increases profit by 45%
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© ABB Inc. April 24, 2023 | Slide 6
Challenges facing marine industryImproved fuel use – Some solutions
Shore-to-ship electric power supply helps eliminate: CO2, SOx and NOx emissions
particle discharge noise vibration
Ships shut down engines while berthed and plug into onshore power source
Power load is seamlessly transferred to shore side power supply
No disruption to on-board services Eliminates emissions to the local environment
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© ABB Inc. April 24, 2023 | Slide 7
Challenges facing marine industryImproved fuel use – Some solutions
ABB offers a complete, seamless and integrated shore-to-ship power solution
Safe and reliable power transfer from public electric power grid to ship
Complies with international standards
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© ABB Inc. April 24, 2023 | Slide 8
Challenges facing marine industryEnvironmental impact of new builds – The facts
IMO agreed to adopt mandatory energy efficiency design standards for new ships
Regulations demand: Energy Efficiency Design Index (EEDI) for new ships
stipulates a specific level of energy efficiency to be attained
Ship Energy Efficiency Management Plan (SEEMP) for all ships
Amendments to MARPOL regulations (Jan. 2013): Applies to all ships of 400 gross tonnage and above Ships built between 2015 and 2019 to be 10% more efficient
Rising to 20% between 2020 and 2024 Rising to 30% thereafter
New ships already contracted or under construction may be exempt
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© ABB Inc. April 24, 2023 | Slide 9
Challenges facing marine industryEnvironmental impact of new builds – The facts
Some cargo owners are already demanding voluntarily submitted environmental data
As part of the EEDI and SEEMP, IMO is considering vessels displaying their energy performance through these design and operation indices
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© ABB Inc. April 24, 2023 | Slide 10
Challenges facing marine industryImplementing energy saving technology – The facts
Cost-efficient technology to save energy exists Just not being implemented rapidly enough Industry faces an energy-efficiency gap Energy issues being given low priority Reasons for slow uptake are:
organisational failure lack of time shortage of competence no long-term energy strategy
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© ABB Inc. April 24, 2023 | Slide 11
Challenges facing marine industryImplementing energy saving technology – The facts
Payback for energy-saving technologies – like drives and motors – can be within months
Identify applications that offer small saving from energy-efficiency measures
collectively they add up to significant total saving
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© ABB Inc. April 24, 2023 | Slide 12
Challenges facing marine industryImplementing energy saving technology – The facts
Large energy consumers are: seawater cooling pumps chilled water pumps engine room ventilation fans
Often over-dimensioned to handle most extreme conditions Operate at full capacity even when demand is not high Flow control is often mechanical devices like bypass valves
and dampers highly energy inefficient
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© ABB Inc. April 24, 2023 | Slide 13
Challenges facing marine industryImplementing energy saving technology – The facts
Lowering energy use reduces CO2, SOx and NOx emissions by reducing load on diesel generators
Single average size seawater cooling pump can save $29,000 and 117 tons of CO2 per year
Energy saving measures apply to: single ships or entire fleets planned newbuilds operating old vessels
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© ABB Inc. April 24, 2023 | Slide 14
Challenges facing marine industryImplementing energy saving technology – Solutions
Variable-speed drives (VSDs) Used to adjust motor speed according to demand Can reduce energy use by 50% Payback on equipment and installation, from fuel savings
alone, in under 1 year Large potential for retrofitting existing ships with new fuel-
reducing technologies Only around 2% of global fleet currently equipped with VSDs
for seawater cooling pumps 98% of fleet is missing opportunity for high fuel savings,
environmental and commercial rewards
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© ABB Inc. April 24, 2023 | Slide 15
Challenges facing marine industryImplementing energy saving technology – Solutions
Marine energy appraisal service Finds applications that benefit from energy-saving
technologies Identifies motor-driven applications that benefit from VSDs Payback often under 2 years
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© ABB Inc. April 24, 2023 | Slide 16
Challenges facing marine industryImplementing energy saving technology – Solutions
Marine energy appraisal – What’s involved Input data and documentation are collected during an on-
board survey including: Ship’s heat balance calculation Air balance calculation Layout of the systems Machinery datasheet Schedule of ship’s route Current system management Survey on board Vessel operational profile
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© ABB Inc. April 24, 2023 | Slide 17
Challenges facing marine industryImplementing energy saving technology – Solutions
Marine energy appraisal – What’s involved Energy appraisal is undertaken to find comparison between
power consumption and demand Final report verifies results including a return on investment.
Typical findings may include: Vessel has been designed for worst climate condition Motors of fans and pumps run only at fixed speed Current system is wasting up to 70% of energy
Cost proposal for implementing improvements is presented If accepted an installation site survey is carried Once agreed actual engineering and commissioning is
completed Results are verified to confirm actual saving
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© ABB Inc. April 24, 2023 | Slide 18
Challenges facing marine industryImplementing energy saving technology – Solutions
Energy Management System (EMS) Senior management needs to embrace environmental and
energy efficiency issues Provide resources to deal efficiently with company’s energy
issues Appoint an energy champion with agreed:
key targets responsibilities authority
Champion determines company’s present and expected energy use
Only then can accurate measurements, comparisons and follow-ups be implemented
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© ABB Inc. April 24, 2023 | Slide 19
Challenges facing marine industryImplementing energy saving technology – Solutions
Develop Energy Management System (EMS) EMS recognises proper procedures for measuring and
following-up results are as important as being able to plan and implement
EMS aims to: maximise profits minimise costs increase company’s competitiveness
EMS brings together employees that affect energy performance
EMS maps and analyses energy usage provides data to assess measures and decide on goals for energy
efficiency that are challenging but achievable
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© ABB Inc. April 24, 2023 | Slide 20
Challenges facing marine industryImplementing energy saving technology – Solutions
Energy Monitoring and Management tool (EMMA) EMMA impacts on fuel cost reduction EMMA gives complete visibility to energy production and
consumption performance EMMA helps operate a ship, several ships or entire fleet with
best possible energy efficiency and environmental responsibility
EMMA helps optimise energy-related processes, practices and decisions, from engine room to board room
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© ABB Inc. April 24, 2023 | Slide 21
Challenges facing marine industryImplementing energy saving technology – Solutions
ABB's trained consultants support staff on-board and onshore to:
interpret information identify improvement areas set targets coach staff in running vessel more efficiently
Management onshore receives consulting and benchmarking services
Aim is to run fleet more efficiently to optimise return-on-investment
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© ABB Inc. April 24, 2023 | Slide 22
Challenges facing marine industryImplementing energy saving technology – Solutions
System’s users include: crew members with responsibilities for energy use on-board personnel with responsibility for fleet’s overall energy costs,
emissions and competitiveness
Payback for service package (license and management fee) within 12 months
EMMA is highly developed software running on ordinary PCs onboard and ashore
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© ABB Group April 24, 2023 | Slide 23