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EEDI - IMO Energy Efciency Design Index

Verification of your environmental performance

Energy efficient ship design

DNV supports ship owners and shipyards to verify the Energy Efficiency Design Index (EEDI) for new

ships. The implementation and verification of the EEDI ensures the early compliance with the upcomingIMO EEDI Requirements.

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What: The IMO Energy Efciency Design Index is a bench-marking scheme and an indication o a merchant ships CO2output in relation to its value or society. This is one o thefrst steps o IMOs technical measures to reduce CO2 emis-sions rom shipping. The EEDI compares theoretical CO2

emissions and transport work o a vessel and will eventuallybe benchmarked against an IMO-set requirement.

Who: DNV provides you with a third party verifcation oyour ships design CO2 emission in accordance with the IMOInterim Guidelines (MEPC.1/Circ682). The verifcation isbased upon a technical fle and an initial survey onboard theship.

Where: The EEDI can be calculated and verifed or all newships o the ship type categories as listed in the table below.

The calculations will be based on the ship main character-istics and engine perormance also with the design speed-power curve adjusted with the sea trial data provided by thebuilder.

Why: The purpose o the EEDI is to establish the minimumefciency o new ships depending on ship type and size, pro-

vide a air basis or comparison and to stipulate the develop-ment o more efcient ships in general.

Verifcation o EEDI is voluntary today but is expected to bemandatory in (near) uture (MEPC.61).

When: Tentative entry into orce dates and reduction ratesor the ship type segments covered by the EEDI:

Establish EEDI into your design process today

For more information, please contact:NACNO842@dnv.com

DNV provides full range of EEDI services.

Reduction factors (in percentage) for the EEDI relative to the reference line for each ship type.

Size Phase 0 Phase 1 Phase 2 Phase 3

1 Jan 2013 31 Dec 2014 1 Jan 2015 31 Dec 2019 1 Jan 2020 31 Dec 2024 1 Jan 2025 onwardsBulk Carrier >20,000 DWT

10-20,000 DWT0n/a

100-10*

200-20*

300-30*

Gas tanker >10,000 DWT2-10,000 DWT

0n/a

100-10*

200-20*

300-30*

Tanker >20,000 DWT4-20,000 DWT

0n/a

100-10*

200-20*

300-30*

Container ship >15,000 DWT10-15,000 DWT

0n/a

100-10*

200-20*

300-30*

General Cargo ships >15,000 DWT3-15,000 DWT

0n/a

100-10*

200-20*

300-30*

Refrigerated cargo carrier >5,000 DWT3-5,000 DWT

0n/a

100-10*

200-20*

300-30*

Combination carrier >20,000 DWT4-20,000 DWT

0n/a

100-10*

200-20*

300-30*

* The reduction factor is to be linearly interpolated between the two values depending on the vessel size. The lower value of the reduction factor is to be

applied to the smaller ship size.