Ship Energy Efï¬ ciency Management Plan SEEMP What, Why and How?
Transcript of Ship Energy Efï¬ ciency Management Plan SEEMP What, Why and How?
Insatech A/S • Algade 133 • DK-4760 Vordingborg • Tel. +45 5537 2095 • www.insatech.com
People - Ideas - Solutions
Marine
Ship Energy Effi ciencyManagement PlanSEEMP
What, Why and How?Im
plem
entationIdentif
y P
otent
ial
Eval
uation Planning
IDENTIFYIMPROVEMENT
POTENTIAL
EVALUATEAND
UPDATE
ESTABLISHA
BASELINE
IMPLEMENTAND
MONITORMARPOL COMPLIANT
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What is SEEMP?SEEMP will become mandatory for all vessels at their first renewal or intermediary survey after 1 January 2013. (IMO MEPC 62, July 2011)
• Under the proposed amendments to MARPOL Annex 6, Regulation 22, all ships must have an International Energy Efficiency Certificate (IEEC).
• The IEEC requires, amongst other things, the presence of a SEEMP on board.
• The SEEMP may form part of the ships Safety Management System (SMS).
Why SEEMP?• Implement a plan to improve the energy efficiency of a ships
operation. (Part of a broader corporate energy management policy.)
• Fuel cost is the largest cost element for shipping companies. 35-65% of operational costs depending on type of vessel.
• Energy efficiency improvements can give cost savings of 5-15% and bring down Greenhouse emissions
• Port fees based on environmental impact
• Global players are demanding emission data (DHL, IKEA ...)
Who should implement SEEMP?• SEEMP is a ship specific plan to be developed by the shipowner,
operator or charterer
• The plan should be adjusted for the characteristics of individual companies and ships
• SEEMP is a management tool and should limit the onboard administrative burden
SEEMP 4 steps to success
IMO Implementation guidelines
Planning• Current status of ship energy usage and the expected improvement
of ship energy efficiency is determined. Establish a baseline!
• Defi ne and prioritize initiatives
• Both ship internal processes and operational aspects should be covered. (Speed optimization, weather routing, hull maintenance, “just in time” etc.)
Identify• Define how the prioritized initiatives are to be implemented
on each ship
• Define the owner(s) of each measure
• Define each project with a start and end date
• Keep records to assist in self evaluation
Implementation• Ensure benefit realization! (Requires a well established baseline
with repeatable measurements)
• Continuous and consistent data collection is the foundation for monitoring.
• Performance monitoring that is standardized for the whole fleet is recommended. (EEOI)
• A good monitoring system should track the benefits of each prioritised initiative
• The burden on ships staff should be minimized
Evaluation• Progress of different improvement initiatives should regularly
be followed up
• Establishing well defined self-evaluation periods will give an understanding of cause and effect that will improve the efficiency of future investments.
• An understanding of the overall characteristics of the ships operation will result in a better prioritizing of future stages of the management plan.
• Self-evaluation and improvement• Evaluate the effectiveness of the implemented improvements
• Set new goals and implement the next cycle of the plan.
• SEEMP is not a static tool, but a continuous “work in progress”
Imp
lementation
Identify P
otent
ial
Eval
uation Planning
Identify how much you can save and just as importantly, what initiatives you needto undertake to realise the improvements.
The Progress of the various
improvement initiatives is used to modify future goals and
implement tactics.
It is important to examine data, tools and processes in order to determine a credible baseline from which goals, plans and actions grow.
Put the plan into action and track performance using
a variety of established systems and processes to
help overcome resistance to
‘new’ initiatives.
The Insatech approach to developing an effi cient SEEMP
A practical approach that is ”proven in use”
SEEMP planning• Establishing a good and repeatable baseline is the key for
implementation of SEEMP
• Define the requirements for data aquisition, ensuring the system is expandable to handle all future requirements
• Defi ne how data will be transferred from the vessel, data safety requirements, storage and use at HQ
• Minimize crew involvement i.e. automate data aquisition and transfer
• Start with ”the low hanging fruit” the largest energy consumers on board
Defi ning a good baseline• One approach is to use design documents or sea trial data
if these have the necessary values
• Main energy consumers are: Main engine(s), electrical production and boilers
• Define an operational profile including Routing (plan and weather), Trim, cargo operations, autopilot use etc.
The practical baseline• Start with ”the low hanging fruit” the largest energy
consumers on board.
• Evaluate the quality of the information currently available on board.
• Typical fuel flow measurement systems have low accuracy and repeatability that will make evaluation of the results a waste of time!
A practical approach to SEEMP
HFO/MDO
Flowmeter
Feederpump
Mixingtank
Boosterpump
Heater
ViscoSensesensor
Engine
Single flowmeter system
SEEMP System
HFO/MDOMixingtank
Feederpump
Boosterpump
Heater
Flowmeter
Engine
Flowmeter
ViscoSensesensor
Supply and return flowmeter system
Uni-fuel system
SEEMP System
HFO/MDOMixingtank
Boosterpump
HeaterFeederpump
Flowmeter
Flowmeter
Flowmeter
Engine
Engine
ViscoSensesensor
ShipsLog
GPSSEEMP System
Why SEEMP?• Ticket to trade
• Decision support
• Optimise operation
• Creates added value for shipowners if vessel performs above average
The Insatech SEEMP system
• Information display onboard in realtime
• Aid in on-board decision making
• Only useful information is sent to HQ
• Ensures responses by use of ”guidance system” for vessel operations
Data Aquisition System on board
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Challenges to achieve repeatable fuel flow measurements• Most vessels are equiped with volumetric flowmeters
– typically a sliding vane meter• These have a full scale accuracy• Correct sizing is important.• Volumetric flowmeters need to compensate for density
variations as we require a readout in kgs or tons• Base density can vary up to 100 kg/m3! This is 10%
Lowering the uncertainty of flow measurements• Correct sizing of flowmeters• Calibration of temperature sensors• Manual input of the correct base density
in the flowcomputer!• Not practical!
The optimal solution for measuring fuel flow• Use a Coriolis massflowmeter that can handle
the vibrations and flow pulsations . (Not all designs can)• Pipe stress is a challenge for some types.• Uncertainty of a Rotamass system is:
0,1% of actual value• Density output can be monitored for alarming
of ”capuccino effect” in fuels
Data Aquisition• Use industrial grade systems that can handle the tough
environment found on board
• Challenges: Vibration, quality of power supply, ambient atmosphere, expandability
• Data collection speeds vary greatly, e.g. wave monitoring needs higher speed than COG
• Interconnectivity to other systems e.g. navigation systems (NMEA)
• Access to reports/KPI’s on board is a must
• Data compression and encryption to save costs
Advantages of the Insatech SEEMP Data Aquisition system• Minimises necessary data volumes without losing crucial
details. Event based detailing
• Open Industrial system for ease of integration to exsisting systems
• Built in Report functions
• Encrypted data – Read only format.
• Modular and expandable
• Manual inputs and local operator interfaces
Event based loggingThe use of event based logging ensures the detail required for the specefic channel, without collecting unnessesary data
KPI values in realtime
Built in report functions for on board use – influences behaviour• The built in report functions enable us to make locally
viewable reports that can be designed to have a positive influence on crew behaviour and decision making.
• No need to send data to HQ, make reports and send them out again.
• Strong mathematical functions allow real time calculated values to be displayed e.g. Tons fuel/NM/ton displacement
• Such values can be used to create new baselines for performance if wind and sea state values are compensated.
Minimising data• Even though all values are read e.g. every second,
we can minimise data amounts.
Important features for data retrieval• Automatic system sends encrypted Noon Reports. (Push)• Automatic archiving – based on vessel and time/data stamp• Conversion to ”open format” and use in standard systems
e.g. SQL databases
Influence decisions on board
Correct fuel consumption is vital
Realtime values on board infl uences crew behaviour
Trigger PointTrigger Level(Alarm)
Event Data
Thinning Data
(Standard Data / Interval) Pre Trigger
Tons Fuel/NM/Ton Displacement
9/20/2012 9:36 9/20/2012 10:04 9/20/2012 10:33 9/20/2012 11:02 9/20/2012 11:31 9/20/2012 12:00 9/20/2012 12:28 9/20/2012 12:57
On board fuel blender optimises costs. Event based logging gives detailed information when required.
Coriolis flowmeters accurately measures mass flow and density.
Fuel consumption in real time.On board fuel blender optimises costs.On board fuel blender optimises costs.
Minimizing data without loosing the details
Ne
w Ta
rget
Evaluate
Actio
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ha
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e
Measure
Def
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e/understand
The ”improvement loop”.
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Speed Tests• We suggest the use of predefined speed tests where
the following factors are included:
– Speed and SOG (define current/wind influence)
– Displacement (wetted surface area and wind exposure)
– Wind speed, True and Relative (wind resistance)
– Sea state/wave height (WSA and WR)
– Rudder activity
– Defined minimum run times to ensure repeatability
Continous improvement is necessary• Define/understand -> Measure-> Action/Change-> Evaluate ->
New Target
• On board tools using real time consumption and performance figures against targets
• ”Drill down” functionality for main units or consumers.
• Power generation vs actual use and safety factors
• EEOI (Energy Efficiency Operational Indicator) tons CO2 / transport work – see IMO guideline
• EPI
• Costs
• Bunker composition
• Fuel costs and quality
• Selected fuel
Key Performance Indicators - KPI’s• We reccomend the use of KPI’s as the base for easy
comparison of performance.
• Use KPI’s to influence on board behaviour as well as for monitoring performance degradation.
• Easy acess to KPI’s with a strong graphic presentation, and warning/alarms can ensure due diligence on board
KPI main groups• Main engine performance (g/bkWh)
• Aux. engine performance (g/bkWh)
• Vessel performance:
• Thrust/displacement (if available)
• Fuel consumption (kg/NM/ton)
• Electrical power consumption per area
• Vessel Trim especially in Ballast mode
Overview of all relevant KPI’s giving decision support• Buffer time, idle time• Speed / RPM divation• Propeller & Hull maintenance• Weather effect• Lube oil consumption• Fuel statistics / Bunker• Fuel alerts• Anti-fouling evaluation• Speed / consumption prediction, speed optimization• Engine efficiency, engine utilization and optimizing• Energy profiles• Voyage optimization• Operational profiles• Warnings and triggers• Environmental statistics & EEOI
Screen menus• Voyage Performance
• Main & Aux Engine
• Energy Consumers
• Vessel Performance
• Fuel Management
• Environmental• Operations• Guidance / Warning• Boiler(’s) and Incinerator• Vessel KPI’s• Trends & Tests• Administration Setup
Credible measurements = Better decisions• For crew to take responsibility, it is important that the values
displayed are credible
• Take ”Raw” values” and normalise them for display. (Speed/Power curve to be normalised for displacement, wind speed/direction and wave action)
• Less scatter and a better aid in decision making
• Advisory messages e.g. best power plant configuration at the given operating conditions
Key features of the Insatech SEEMP System• Industrial proven in use components• Data transfer to shore minimised• Real time KPI’s on board• Built in guidance on board requiring crew acknowledgement
ensures actions are taken. If not the responsible crewmember can be found
Other features• Data accessible on board, HQ and ”home”• Ranking system for the fleet – competition = motivation
Decision support - on board as well!
KPI’s
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Fuel consumption vs. speed.
Mileage per ton fuel vs reference.
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In 2005 Insatech A/S became a part of the Addtech Group of companies – Addtech AB, Stockholm, and since the company was established in 1989, we have had a positive business development. Today we are nearly 50 employees.
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