To use this tool simply follow the prompts and enter the parameters for your ship. Today is Thursday 22/09/2022 and the time is 10:32 (GMT+3) To get in touch visit us at www.dromon.com. The Energy Efficiency eXisting ship Index (EEXI) is a measure introduced by the IMO to reduce the greenhouse gas emissions of ships. its calculation are the vessel's installed power and cargo-carrying capacity. The EEOI provides a tool to calculate the operational energy efficiency of a ship. The EEXI calculation itself is very similar to the EEDI calculation, which is a process that both Deltamarin and the entire industry already have much experience of. Step 4: Submission of final EEXI technical file (Class approval) Step 5: Onboard class survey (Issuance of new IEEC) Ships of 5,000 GT and above engaged in international voyages are required to be SEEMP compliant. Use our EEXI calculator. This webinar will take you through the updates from MEPC 76 due to finish on 17 June 2021, when amendments to MARPOL Annex VI are due to be adopted. EEXI regulation concerns existing ships and issues are arising when collecting the required data. This section will present the Final EEXI attained at Vref. ! For example, among the objections to previous analyses, studies have had issues related to unrepresentative input data, limited real-world operational data to reflect actual operational conditions, and incomplete quantification of technical versus operational efficiency characteristics. Only parameters different from the EEDI Calculation Guidelines are prescribed. C-Job can calculate the EEXI of your vessel and propose solutions where necessary so that the ship can continue its journey. Attained EEXI must be calculated for the individual ship, which falls under the regulation. Source: Napa, 2021 As a result of the analysis, it was seen that the ship is an energy efficient ship and . for example in order to make up for a port delay. . The Energy Efficiency Existing Ship Index (EEXI) is required to be calculated for ships of 400 GT and above, in accordance with the different values set for ship types and size categories. A dual-fuel retrofit project on main engines can provide between 20-25% lower EEXI, according to MAN Energy Systems. Another point where EEXI does differ from EEDI is the amount of main engine power that goes into the calculation. For the calculation of EEXI, it is necessary to determine the reference speed (Vref) at a certain draft of the . EEXI calculation, The calculation of the EEXI follows the calculation of the well-known EEDI. Calculation formula of EEXI, EEXI is calculated by the same formula as EEDI. For example, Total sales on the last selected date = CALCULATE ( SUM ( Sales[Sales Amount] ), 'Sales'[OrderDateKey] = MAX ( 'Sales'[OrderDateKey] ) ) Table filter expression. Dromon Bureau of Shipping EEXI Calculator. The EEXI requirements for containerships correspond to 70% of the DWT. calculation of the Attained EEDI for new ships" Vref Ship speed in nautical miles per hour At design Stage Speedpower curves obtained from model testing At final Stage Sea Trial Report Capacity Computed as a function of Deadweight as indicated in 2.3 and 2.4 of MEPC A table expression filter applies a table object as a filter. The EEXI measures CO2 emissions per transport work, purely considering the ship's design parameters. The EEOI is similar to the EEDI in that it is a calculation that presents the ratio of carbon emissions emitted over the useful work done (capacity transported). In this case, owners have to predict and minimize the CII value as much as possible. Our service offer: Calculation of attained EEXI and required EPL or ShaPoLi The KR-GEARs EEXI program consists of a Main page, Calculation page and log page. B: Bunker fuel tank monitoring on board. It determines the standardized CO2 emissions related to installed engine power, transport capacity and ship speed. Calculation of current EEXI; Calculation of required EEXI; Calculation of suggested Engine Power Limitation (EPL) / Shaft Power Limitation (SHaPoLi), to achieve required EEXI, considering requirements for minimum propulsion power; Calculation of suggested new maximum speed, based on the suggested limited MCR; Calculation of Attained EEXI based on onboard EPL . We h. The energy modeling of the vessel will allow the simulation specific to the particular operating . Tags: CII, EEXI, emissions, Nick Austin, The EEXI Technical File must be submitted to class in time for approval and is required to be . You can also upload evidence that may later contribute to your Technical File. #IMO #GHGStrategy #EEXI #CII # #KOREANREGISTER Decarbonization is a top priority for KR as the IMO regulations become more and more demanding. To complete the system loop approval, the electrical energy stored in the cabling needs to be considered. (EEXI) Legislation, calculation . provide details and examples of calculation of attained EEDI and to support the method and role of the verifier in charge of conducting the survey and certification of EEDI in compliance with the two following IMO Guidelines Resolutions: 2012 2014 Guidelines on the method of calculation of EEDI for new ships, Res. Simplified formulas used for AER and EEOI are shown below. the market will generate its own practical penalties, for example D or E rated ships not being considered favourably by charterers when fixing the . The main functions are shown in the table below. The EEXI is a design index, not an operational index. . New regulation 22B applies to the same ship types as EEDI and EEXI. As an example, bulk carriers in a certain DWT range are to reduce emissions by 20% towards the EEDI reference line. transport work. The decision about the installation of an ESD should be based on a model test or CFD prediction. The EEXI is applied to almost all oceangoing cargo and passenger ships above 400 gross tonnage. However, the determination of specific technical inputs such as the vessel's reference speed (VREF) require further consideration. About the EEXI and CII calculations, The EEXI calculation itself is very similar to the EEDI calculation, which is a process that both Deltamarin and the entire industry already have much experience of. Calculation, D: Direct emissions measurements. This indicates the energy efficiency of the ship compared to a baseline. The EEXI is a one-off 'pass . In principle, the EEXI describes the CO2 emissions per cargo ton and mile. We are pleased to be able to offer ship owners and managers access to our in-house EEXI calculation tool with a view to helping them with their environmental obligations. The difference is that CIIs will apply to ships 5,000 GT and above, whereas EEXI is 400 GT and above. existing ship fleet have been met with criticism. We agreed that for ships to which power limitations are used, PME should be calculated at 83% of MCR lim instead of 75% of MCR lim as is done for EEDI. With our VAF IVY solution, you can monitor, investigate and optimize your fleet's performance by visualizing data and providing you with 40+ KPI's like flow meters and torque sensors. Each ship's EEXI target is calculated using the EEDI reference line, as summarized in Table 2, below, and its EEXI reduction factor from Table 1, which is determined by ship type and capacity (dwt The EEXI describes a vessel's CO2 emissions, determining standardized CO2 emissions related to installed engine power, transport capacity and ship speed. As a first measure, we determine the EEXI value of your vessel. For the calculation of the ship's reference speed V ref, CFD simulations were employed in order to provide a power prognosis in the EEXI-relevant oating condition. specific to the EEXI calculation. Various factors are taken into account when calculating a vessel's EEXI value but, in simplistic terms, the requisite EEXI calculation can be expressed as follows: EEXI Formula. The EEOI is not mandatory Should not be confused with the EEDI and SEEMP ! This model test result will then be used for the calculation of the attained EEXI. 2) Annual Operational CII (Carbon Intensity Indicator) New regulations will be introduced to establish a Required Annual Operational [Green if less than Phase 3 Required EEXI, Red if more] Last Page will present a scrollable text window with detailed calculations on Required EEXI and Attained EEXI. The EEDI requires a minimum energy efficiency level per capacity mile (e.g. EEXI Explained. [2] An EEXI technical file will need to contain the necessary information for the calculation of the Attained EEXI and show the process of the calculation. Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.245(66) - 2014 Guidelines on the Method of Calculation of the Attained Energy Efficiency Design Index (EEDI) for New Ships - (Adopted on 4 April 2014) - Appendix 4 - EEDI Calculation Examples for Use of Dual Fuel Engines It determines the standardized CO2 emissions related to installed engine power, transport capacity and ship speed. Required EEXI value is determined by the ship type, the ship's capacity and principle of propulsion and is the maximum acceptable attained EEXI value. Try the FREE EEXI Calculator now! Let's take EEXI first. EEXI Calculation Feasibilty Study on measures Analyse improvement measures EEXI Technical File EEXI Calculation. Amendments to MARPOL Annex VI were adopted by Parties to MARPOL Annex VI during MEPC 62 in July 2011 (resolution MEPC.203(62)), adding a new chapter 4 to Annex VI on Regulations on energy efficiency for ships to make mandatory the EEDI for new ships, and the SEEMP for all ships. I Spring, TX 77389 USA , P1-281-877-6000 IF1-281-877-5976 ABS-WorldHQ@eagle.org I www.eagle.org, The EEDI must be calculated for each ship and be accompanied by an EEXI technical file, which will form the basis . This solution includes MAN Overridable Power Limitation (OPL) for either MC or ME type engines. The ULCS is one of 17 sister vessels in the Hapag-Lloyd fleet that were built with the notation 'LNG-ready'. Moreover, each ship type has different factors to consider (the strictest requirements for bulk carriers for example). Fleet wide approach helps owners to . EEXI Flex is a solution that requires the vessel to limit its engine power to achieve EEXI compliance, however the owner wishes to undertake on their own the EEXI assessment report and EEXI technical file. Our calculator provides indicative results only. In the first of a two-part series, Dr Chris Craddock - Technical Advisory & Ship Performance Manager at Lloyd . EEXI, which is supported by Norway, Greece, Panama, the United Arab Emirates, the . No measured values of past years are relevant and no on-board measurements are required; the index only refers to the design of the ship. Table A.2 in IEC/SANS 60079-11 lists the maximum cable capacitance against output voltage. This indicates the energy efficiency of the ship compared to a baseline. ! The software is used to provide an approximated calculation of a ship's EEXI by inputting DWT and the engine MCR (maximum continuous rating), to check whether the vessel complies with the levels outlined in the regulation. For example, the EEDI, introduced in 2013, ensures that all newbuild vessels meet specific emissions targets. If an existing ship needs to limit the power to its propeller in order to meet the EEXI by means of engine/shaft power limitation, it is 83% of this limited power that enters the EEXI calculation. Critical documents such as sea trial reports, model test reports, and engine shop test reports - all generated when the ship was built - are used to inform EEXI calculations. In principle, CII calculation is a more straightforward method compared to EEXI/EEDI. To do this, ship owners may need to implement technical measures to adjust their vessels' emissions . The EEXI is a framework for determining the energy efficiency of in-service vessels over 400 GT that fall under MARPOL Annex VI. EEXI CALCULATOR, COMPLETE THE FORM BELOW TO, CALCULATE A VESSEL'S REQUIRED AND ATTAINED EEX I, The calculator is suitable for Bulk Carriers, Containerships, Tankers, Gas Carriers, Chemical Tankers or General Cargo vessels. The attained Energy Efficiency Existing Ship Index (EEXI) is a measure of a ship's energy efficiency determined as follows: Approach of EEXI calculation can be 'Ship specific' or 'Fleet wide'. Attained EEXI calculated by Software 12.50 g CO2/Tonne-nm matches with the Classification Approval Letter. In the example shown the maximum electrical stored energy that can be connected to the hazardous area terminals equates to Co = 83 nF and Lo = 4,2 mH. General cargo ships, According to the current EEXI calculation rules, the necessary power reduction would be closer to 20%. . Greetings! There are three possible approaches: Calculation based on CFD simulations (very exact EEXI value, including possible improvement measures). EEXI is built on the principle that a single formula can be used to evaluate carbon emissions for every ship type in the global fleet. Standard Services. Actual fuel consumption for each voyage shall be used and be calculated using one of the following methods: A: Bunker Fuel Delivery Note (BDN) and periodic stocktakes of fuel tanks. EEXI Calculator - Lloyd's Register, EEXI Calculator, Use our EEXI calculator and get an indicative view of whether your vessels comply with the latest regulation. Currently, only draft guidelines are available (submission ISWG-GHG 7/2/7), which will be replaced by adopted guidelines after MEPC 76 in 2021. CII Calculation. tonne mile) for different ship type and size segments. Emissions are calculated based on the installed power of the main engine, fuel oil consumption, and a conversion factor between fuel and the corresponding CO2 mass. The attained EEXI is calculated by dividing the sum of the emissions of the main and auxiliary engines minus the innovative energy generation devices by the capacity times the reference speed times the reduction factors. Ships have to attain EEXI approval once in a lifetime, by the first periodical survey in 2023 at the latest. . The Guidelines are intended to provide an example of a calculation method which could be used as an objective, performance-based approach to monitoring the efficiency of a ship's operation. 1.1 Main page Function Details Main page Ships registered on the EEXI calculation page are shown as a list You can check the status of drawing approval of the 1.4. Which in a formula is written down as follows: EEXI formula, The EEDI for new ships is the most important technical measure and aims at promoting the use of more energy efficient (less polluting) equipment and engines. Webinar: EEXI & CIIS - Changes and implications - IMO MEPC 76. The only difficulty may lie in the fact that, for old ships, not necessarily all relevant information is available such as ship model test results. The calculation methodology is aligned with that used for EEDI. Ships are required to meet a specific required EEXI, which is based . Unfortunately the Vref,app almost always ends up being to some extent lower than the vessels Vref, if it was calculated by using the sea trial information available. Source: Napa, 2021. Understanding where your vessel's attained EEXI is compared to the reference line and the required EEXI, can help you determine the roadmap and timeline for improvements. C: Flow meters for applicable combustion processes. This certificate refers to the EEXI Technical File which contains general information on the ship, the calculation of the EEXI value attained and required, and copies of the documents from which the values applied for the EEXI calculation are taken. The Energy Efficiency Existing Ship Index (EEXI) will introduce new standards around carbon emissions for seafaring vessels when it is adopted by the IMO in June this year. The lower threshold . Various factors are taken into account when calculating a vessel's EEXI value but, in simplistic terms, the requisite EEXI calculation can be expressed as follows: EEXI Formula. The only difficulty may lie in the fact that, for old ships, not necessarily all relevant information is available such as ship model test results. Requirements will enter into force on Jan. 1, 2023. You will require detailed calculations in order to create the Technical File. MAN's head of projects and PVU sales Klaus Rasmussen recently told Riviera that the payback for LNG retrofits at . It gives an overview about the vessel's relevant information concerning the EEXI certi cation process. The vessel's Attained EEXI will then be compared to a Required EEXI, based on an applicable reduction factor expressed as a percentage relative to the EEDI baseline depending on the vessel's type and size. Results delivered by email within 5 working days. The reduction factor is also much higher, as for ships over 200,000 DWT the factor is 50, much higher than bulkers and tankers, and reduces as the DWT falls. EEXI SERVICES A. January 1, 2023, Verication of Reported EEXI During First Annual, Intermediate, or Renewal Surveys, Connect with us today by emailing us at sustainability@eagle.org. Other solutions to reduce EEXI include retrofitting clean technologies, such as . [1] The EEDI requires a minimum energy efficiency level per capacity mile (for example tonne mile) for different vessel types and size segments. . These ship types are defined in regulation 2 of MARPOL Annex VI. Since 1 January 2013, following an initial two year phase . Assess Current EEXI, ABS can determine a vessel's current EEXI based on the IMO's guidelines. By 1 January 2023, all vessels with a gross tonnage of 400 or above must acquire Energy Efficiency Existing Ship Index (EEXI) approval. Is CII applicable for the same ship types as EEXI (new regulations 20A and 21A)/EEDI? Given the potential costs to owners and operators, as well as the likely surge in demand for the installation of energy efficiency technologies, calculating the EEXI for each vessel is advisable as soon as possible to allow for planning and budgeting. . The regulations apply to all ships of 400 gross tonnage and above and are expected to enter into force on 1 January . If you have any questions or would like to speak to our team directly, please send us an email here, or call us on +44 (0)161 302 9885. It could be a reference to a model table, but more likely it's a function that returns a table object. Also, Shaft Power Limitation (ShaPoLi) is an example of how CO2 emissions can be limited according to the IMO boundaries. The EEXI requires ship operators to assess their ships' energy consumption and CO2 emissions against specific requirements for energy efficiency for each vessel type. Use our EEXI calculator and get an indicative view of whether your vessels comply with the latest regulation. However, complexity stands up when it comes to newbuilds. Calculation of carbon intensity also differs amongst these different systems, for example some use Annual Efficiency Ratio (AER) whilst others may be using Energy Efficiency Operational Index (EEOI). The EEXI is a measure related to the technical design of a ship. Carbon, calculations, and compliance: getting ready for EEXI. In the calculations, it was investigated whether the ship meets the energy efficiency criteria as planned. Index which will be referred to as the EEXI on the following pages. The relevant guidelines of EEXI were adopted at MEPC 76 (June 2021) Relevant guidelines of EEXI GUIDELINES ON THE METHOD OF CALCULATION OF THE ATTAINED EEXI (MEPC.332(76)) The detailed calculation method of the attained EEXI is provided. Using the calculated results of the EEXI/CII calculation program, KR plans to provide further customized technical services enabling its shipping company clients to adopt the most beneficial countermeasures for their individual vessels, such as exactly how much engine power limitation and reduction in ship speed is required. Three Step Approach: 1. 5.2.2 Propeller boss cap fins A Pass / Fail result is . Calculation based on newbuilding documentation (theoretically realistic EEXI value) The engine power limitation systems can be bypassed, but only if required for the safe operation of the ship, for example, in harsh weather conditions. These Guidelines are recommendatory in nature and present a possible use of an operational indicator. In June 2021, the International Maritime Organization (IMO) adopted amendments to MARPOL Annex VI that introduced an Energy Efficiency Index (EEXI) for existing ships. The information and specific formulas required to calculate the Attained EEXI will be contained in the vessel's EEXI Technical File. Estimating EPL requirements for the 2019 fleet under the EEXI The EEXI builds upon the calculation formulas for the EEDI, which establishes legally . However, the challenge is to determine the reference speed, as well as the partly shaft generator. For more information, please contact, Mia Elg, R&D & Consulting Services, Mobile +358 50 3788 333, mia.elg@deltamarin.com, The attained Energy Efficiency Existing Ship Index (EEXI) is required to be calculated for ships of 400 gt and above, in accordance with the different values set for ship types and size categories. Case example and future outlook. This must include a description of the calculation methodology used for the annual CII and other processes, an implementation plan 5.2 Other energy saving equipment (Example) 5.2.1 Rudder fins . Verification that the ship's attained EEXI is in accordance with the requirements is to take place at the first annual, intermediate, or renewal survey after entry into force which, as mentioned, is anticipated on 1 January 2023. CIICalculation example, Data source from IMODCS fuel reporting (started from emission of 2023) Attained CII (g/ton mile) , 17447( ) = 106=4.69, 6200060045( ) CII ref = 4745620000.622=4.96, Rating(on 2023 reduction factor) 1005, Required CII =4.96=4.71(2023) 100, =0.99<2 (1.06) Effect of reduction factor, It is based on the 2018 calculation guideline of the EEDI, with some adaptations for existing vessels. To use this tool simply follow the prompts and enter the parameters for your ship: Enter your details and that of your vessel into the EEXI Calculator. Enabling a fast and accurate score for your vessel or fleet without . It is recommended to carry out a model test to predict the performance improvement of the ESD before installation. 08/21 21156, WORLD HEADQUARTERS, 1701 City Plaza Dr. The other is an engine margin that is only used to keep The truth is no! discover: the eexi IMPACT. The EEXI is determined by CO2 emissions per tonne mile and the main factors in . The EEXI calculation guidelines have been developed but so far remain in draft form. 4, EEXI [g/tonmile] =, CO, 2 Conversion Factor SFC [g/kW, h] Engine Power [kW] Capacity [ton] EEXI Speed (V, ref) [knots] CO, 2emissions (gram) from a ship when ship sail transport 1 (ton) cargo for 1 (nautical mile) EEXI [g/ton, mile]=, Concept formula, "Every vessel that docks from 1 January 2023 onwards must show they comply with . which then will be used to calculate the vessels EEXI. 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