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Transcript of Ship Efficiency by STG - stg-online.org · Hull Appendages & tech. mod. Consumers ... Aux. & exh....
Rolf O. Jensen06 September 2009
Ship Efficiency by STG
Practical Approach to Energy Efficient Ship Operati on
© Det Norske Veritas AS. All rights reserved.
STG Conference
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What successful companies do to become energy efficient operators
DNV’s experience from 20 projects
© Det Norske Veritas AS. All rights reserved.
STG Conference
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DNV have extensive experience in assisting shipping companies with energy efficiency
� Leading management & technology consultancy to the maritime industry
� All levels of operation; from the engine to the board room
� Oslo, London, and Singapore
� 90 professionals worldwide
� Energy management projects with 20 different clients - All major segments
� First project in 2004
� Fuel costs most important motivation
� Improvement potential, 5 – 15%
© Det Norske Veritas AS. All rights reserved.
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� Define KPI’s and manage energy efficiency performance� Invest in tools to measure performance
Measure
� Build culture and competence� Measure performance towards agreed targets
Follow through
� Identify improvement areas� Prioritise according impact and implementation difficulties
Prioritise
� Ensure ownership and commitment� Chase opportunities beyond technology� Involve whole organisation (ship and shore)
Holistic
� Develop plans and set goals� Commitment and continuous effort
Structured
DESCRIPTIONSUCCESS FACTORS
Pragmatism� Don’t seek perfection or overcomplicate things� Carry out pilot tests� Celebrate success and failures equally - Have fun
Key success factors to energy efficient operations
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
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Holistic: Energy Management requires cross departmental cooperation
Voyage Perf
Ship Performance
Main and aux engines
Consumers
Fuel Management
Management and org
Tech mgtProcurementCommercial / sales
Finance
Projects & NBOperation
CEO / BOD
Paradox - nobody is fully accountable for fuel consumption either on-board or on-shore
Voyage Perf
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Holistic: Energy management addressed at strategic, tactical and operational levels
Strategic
Tactical
Operational
� Company visions and goals
� Market trends, regulations and development
� Fleet characteristics, ship types and size
� Route layout and frequency
� Vessel deployment, size, speed
� Spot market vs. Time Charter
� Investment in new technology
� Revenue / cost optimisation
� Minimising specific fuel consumption
� Performance mgmt and acceptance criteria
© Det Norske Veritas AS. All rights reserved.
STG Conference
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Holistic: All stakeholder groups involved to ensure commitment, teamwork and knowledge transfer
Knowledge transferCommitment
Teamwork
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STG Conference
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� Define KPI’s and manage energy efficiency performance� Invest in tools to measure performance
Measure
� Build culture and competence� Measure performance towards agreed targets
Follow through
� Identify improvement areas� Prioritise according impact and implementation difficulties
Prioritise
� Ensure ownership and commitment� Chase opportunities beyond technology� Involve whole organisation (ship and shore)
Holistic
� Develop plans and set goals� Commitment and continuous effort
Structured
DESCRIPTIONSUCCESS FACTORS
Pragmatism� Don’t seek perfection or overcomplicate things� Carry out pilot tests� Celebrate success and failures equally - Have fun
Key success factors to energy efficient operations
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
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Prioritise: Many aspects influence energy efficiency, but where to start
Voyage Performance� Fleet planning, route and ship allocation
� Chartering/contracts
� Voyage planning
� Speed Management
� Weather routing & sea current
� Port/harbour operations
Ship Performance� Hull condition
� Propeller condition
� Autopilot & rudder
� Trim and draft
� Hull Appendages & tech. mod.
Consumers
� Cargo Operations
� Thruster operations
� Ventilation, HVAC, lights
� Insulation and energy losses
� Water productions
� Incinerating
Fuel Management
� Pre-bunkering
� During bunkering
� Post-bunkering
Management and organisation
� Strategy and tactical plans
� Performance Management
� Competence and training
� Culture and awareness
� Environment and CSR
� Life-cycle perspective
Main and AUX engines
� Main Engine efficiency
� Aux Engines efficiency & utilization
� Aux boilers efficiency and utilization
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
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Prioritise: The ship energy flow has to be assessed to identify the improvement areas for “ship as a system”
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Prioritise: Compare performance with established baselines or comparable ships in fleet
Onboard practices varies often from ship to ship leading to unnecessary high power consumption
Aux Eng average fuel consumption for three sister ships
6,0
8,0
10,0
12,0
14,0
01.10.2007 31.10.2007 30.11.2007 30.12.2007
Days
MT
/24h
rs
Example
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STG Conference
06 September 2009
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Prioritise: Improvement areas should be prioritised according to saving potential and effort required for implementation
Prioritisation of activities
Business case – Improvement potential
Pre-bunkering
Bunkering
Hull condition
Aux. & exh. boilerBow thruster
Weather routing
Voyage instructions
Autopilot
Trim and ballast conditions
Propeller condition Tank cleaning
Optimised engines
Sludge Management
Aux engines and equipmentBlending units
0
3
6
0 3 6Effort required
Fin
anci
al im
pact
HighLow
Hig
hLo
w
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
13
� Define KPI’s and manage energy efficiency performance� Invest in tools to measure performance
Measure
� Build culture and competence� Measure performance towards agreed targets
Follow through
� Identify improvement areas� Prioritise according impact and implementation difficulties
Prioritise
� Ensure ownership and commitment� Chase opportunities beyond technology� Involve whole organisation (ship and shore)
Holistic
� Develop plans and set goals� Commitment and continuous effort
Structured
DESCRIPTIONSUCCESS FACTORS
Pragmatism� Don’t seek perfection or overcomplicate things� Carry out pilot tests� Celebrate success and failures equally - Have fun
Key success factors to energy efficient operations
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
14
Further savings due to promotion of energy-efficient practices
Saving energy becomes company culture
Increasing energy costs
Decreasing energy costs by applying simple energy efficiency initiatives “Housekeeping”
Structured: Continuous effort are the only route to sustainable energy efficiency improvements
+5%
Time
Cost Baseline
-5%
-10%
-20%
Commitment to Energy mgmt Implementation
Investments
Further Investments
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
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Structured: Overall meta plan with expected time for savings realisation
244
Analysis
US$
Way forward plan
Phase 1Opportunity identification
Phase 2Solution development
Phase 3Implementation
Prop polish
Aux. Engine
Hull cond
SUSTAINABLE
OPERATIONS (way of life)
* KPI’s
* Measurement
* Reporting
* Job descriptions
* Procedures
Saving realisations
MUSD
NEW AREAS
* Culture & awareness
* Ship allocation
* Etc.Bunkering
Trim/draft
Speed mgmt
Engine Performance
1st round
2nd round
3rd round
8 12 16 20 weeks
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
16
� Define KPI’s and manage energy efficiency performance� Invest in tools to measure performance
Measure
� Build culture and competence� Measure performance towards agreed targets
Follow through
� Identify improvement areas� Prioritise according impact and implementation difficulties
Prioritise
� Ensure ownership and commitment� Chase opportunities beyond technology� Involve whole organisation (ship and shore)
Holistic
� Develop plans and set goals� Commitment and continuous effort
Structured
DESCRIPTIONSUCCESS FACTORS
Pragmatism� Don’t seek perfection or overcomplicate things� Carry out pilot tests� Celebrate success and failures equally - Have fun
Key success factors to energy efficient operations
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
17
Measure: Energy efficiency are typically defined as specific energy consumption
� Challenges with measuring energy efficiency: - Ships don’t have measuring equipments
- Many factors with large uncertainties influence efficiency- Difficult to isolate effects of all factors
� “Simplicity” is the approach to start measuring- Define Energy efficiency indicators that are linked to company value chain
(transport work)
- Start measuring performance where uncertainties are low- Build up confidence in data and performance
- Extend and include new efficiency indicators
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
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Measure: Energy efficiency requires measuring and analysis
Hull & Propeller Propulsion Efficiency Indicator
1,0E-03
1,5E-03
2,0E-03
2,5E-03
3,0E-03
3,5E-03
4,0E-03
19.12.2006 08.01.2007 28.01.2007 17.02.2007 09.03.2007 29.03.2007 18.04.2007 08.05.2007
Date
(kn/
HP
hr)
Liberty Eagle Loaded Liberty Eagle Ballast
Main Engine assessment Test Date 31.12.2007 Result
Engine balance (compared to avereage) Yellow Red Value
Pmax Maximum combustion pressure 5 7 % 3,4 %Pcomp Compression pressure 4 5 % 5,1 %FPI Fuel Pump Indicator 5 10 % 3,2 %Texh Exhaus gas temperature 7 9 % 5,6 %
Engine efficiency (compared to new building sea trial)
Pmax Corrected comb. press. drop compared to engine ref. 5 10 % 20,4 %Pcomp Corrected compression pressure drop compred to engine ref. 5 15 % 13,8 %Texh Corrected exhaust gas temp. increase compared to engine ref. 10 15 % 13,8 %∆TTC Turbo charger differential temp decrease compared to ref. 15 20 % 26,7 %
Engine thermal load - MCR achivable 100 % 100 %∆Pscav 280 mm 120
Engine overloada_Pmax Angle of maximum pressure less than 11,5 or greater than 16° 11,5 16 deg 0,0Pignition Max pressure rise more than manufacturer's recommendation 30 bar 21
Fuel oil consumption (compared to NB sea trial)
t/d FO consumption increase to refence per day @ NCR [+4,31 (t/d)] 0 0 % 3,8 %
Warning levels
Scavenging air cooler air side fouling (mm H2O)
Hull & propeller
Overall fleet performance Vessel speed mgt
Engine performance
Investment in measuring equipment and business intelligence system is necessaryto have reliable data and efficient performance analysis
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
19
� Define KPI’s and manage energy efficiency performance� Invest in tools to measure performance
Measure
� Build culture and competence� Measure performance towards agreed targets
Follow through
� Identify improvement areas� Prioritise according impact and implementation difficulties
Prioritise
� Ensure ownership and commitment� Chase opportunities beyond technology� Involve whole organisation (ship and shore)
Holistic
� Develop plans and set goals� Commitment and continuous effort
Structured
DESCRIPTIONSUCCESS FACTORS
Pragmatism� Don’t seek perfection or overcomplicate things� Carry out pilot tests� Celebrate success and failures equally - Have fun
Key success factors to energy efficient operations
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
20
Be Pragmatic: Don’t seek perfection or overcomplicate things
� Don’t let imperfections and hurdles stop you
� Pilot tests unfinished solutions
� Use learning from pilots into permanent future solutions
Celebrate success and failures equally – Have fun
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
21
� Define KPI’s and manage energy efficiency performance� Invest in tools to measure performance
Measure
� Build culture and competence� Measure performance towards agreed targets
Follow through
� Identify improvement areas� Prioritise according impact and implementation difficulties
Prioritise
� Ensure ownership and commitment� Chase opportunities beyond technology� Involve whole organisation (ship and shore)
Holistic
� Develop plans and set goals� Commitment and continuous effort
Structured
DESCRIPTIONSUCCESS FACTORS
Pragmatism� Don’t seek perfection or overcomplicate things� Carry out pilot tests� Celebrate success and failures equally - Have fun
Key success factors to energy efficient operations
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
22
Follow through: Energy efficiency is common knowledge today – most companies have a long track record
Develop KPI structure for monitoring of vessel performance
Establish database for vessel performance data
Improve seafarer knowledge and competence to reduce fuel consumption
Create procedures for optimal settings for trim and ballast
Create procedures for optimal vessel speed in voyage planning
Determine optimal antifouling system to be used
Determine optimal hull cleaning programme
Determine optimal propeller cleaning programme
Implement Weather routing reporting on all vessels
Include more time in voyage planning to allow for speed reduction
Create procedures for engine, hull and propeller monitoring
Ensure fully functional sensors and equipment for engine performance monitoring
Install system for engine performance monitoring
Optimisation of cylinder oil consumption
Energy efficiency initiatives
2
Idea
Som
e an
alys
is
Hav
e te
sted
Pen
ding
im
plem
enta
tion
Ful
ly
impl
emen
ted
2
2
2
2
4
4
4
3
3
3
3
3
4
The real challenges occur when it comes to implementation and benefit tracking
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
23
Follow through: People, processes and technology are key enablers to ensure energy efficient performance
People &CompetenceTools and
Technology
Processes &organisation
Enablers Performance
CO 2
NOX SOX
Promote incentives to reward desired behaviours and performance to speed up the implementation process
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
24
Follow through: Measure progress against defined targets
Prioritisation of activities
Business case – Improvement potential
Pre-bunkering
Bunkering
Hull condition
Aux. & exh. boilerBow thruster
Weather routing
Voyage instructions
Autopilot
Trim and ballast conditions
Propeller condition Tank cleaning
Optimised engines
Sludge Management
Aux engines and equipmentBlending units
0
3
6
0 3 6Effort required
Fin
anci
al im
pact
HighLow
Hig
hLo
w
0
5
10
15
20
25
30
35
40
45
50
0 2 6 12 24 36Time to realisation [months]
[MU
SD
]
High Case
Low Case
Mid Case
Measure progress and follow up
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
25
� Define KPI’s and manage energy efficiency performance� Invest in tools to measure performance
Measure
� Build culture and competence� Measure performance towards agreed targets
Follow through
� Identify improvement areas� Prioritise according impact and implementation difficulties
Prioritise
� Ensure ownership and commitment� Chase opportunities beyond technology� Involve whole organisation (ship and shore)
Holistic
� Develop plans and set goals� Commitment and continuous effort
Structured
DESCRIPTIONSUCCESS FACTORS
Pragmatism� Don’t seek perfection or overcomplicate things� Carry out pilot tests� Celebrate success and failures equally - Have fun
Key success factors to energy efficient operations
© Det Norske Veritas AS. All rights reserved.
STG Conference
06 September 2009
26
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