Container Ship Emissions & Retrofit Radar

Ships ranked by AER (Annual Efficiency Ratio) — grams of CO₂ emitted per tonne of deadweight carried one nautical mile (g CO₂/dwt·nm), the IMO carbon-intensity metric behind the CII rating — from official EU MRV emissions data for reporting year 2024. Lower is greener. Pick a segment and size class to see the greenest vessels first.

Segment rank (2024)

#708 of 2,098 container ships

CO₂ intensity

7.0 g CO₂/dwt·nm

vs segment average (10.38)

-33% greener

Bulk Carrier Container Ship Oil Tanker Chemical Tanker Gas Carrier LNG Carrier General Cargo Vehicle Carrier Refrigerated Cargo Ro-Ro Cargo

CII band distribution

1,079 at D/E

A 312B 412C 707D 598E 481

2,510 rated vessels · 443 of the D/E set dock within 12 months

Docking pipeline — D/E vessels per quarter

'27 Q1

'27 Q2

'27 Q3

'27 Q4

115

'28 Q1

'28 Q2

'28 Q3

Windows estimated from the class-expiry docking model, not bookings.

Top eligible retrofit measures for this segment

Measure	Eligible	CO₂ reduction	Capex band	Payback	Confidence
Turbocharger cut-out	1,640	1–3%	€80k–250k	—	vendor claim
Propeller redesign / replacement	1,427	5–10%	€400k–1,200k	—	vendor claim
Bulbous bow reprofiling	1,330	2–6%	€300k–900k	—	vendor claim
Methanol dual-fuel conversion	933	5–15%	€8,000k–20,000k	—	vendor claim
LNG dual-fuel conversion	763	15–25%	€15,000k–35,000k	—	vendor claim
Shaft generator / PTO	348	3–6%	€500–1,500/kW	—	vendor claim

Capex bands are indicative vendor/literature priors. Payback appears once price parameters are configured.

Retrofit opportunity in this segment

623

D/E vessels with at least one eligible measure

€3,176–7,513M

capex range, top measure per vessel (623 of 623 with computable scaling)

1.44–2.55 Mt

annual CO₂ reduction available (vendor-claimed ranges × reported emissions)

Retrofit prospects — worst band first

Vessel	Band	Age	Drop year	Req. reduction 2030	Dock window
HANSA AFRICA · 25-60k	E	16y	2026	78%	Jan 2028
MSC ANNAMARIA · <25k	E	1y	2026	72%	Dec 2027
SEPELU · <25k	E	26y	2026	69%	Aug 2028
C LION · 100-200k	E	21y	2026	59%	Mar 2028
HAMBURG TRADER · <25k	E	21y	2026	55%	Feb 2027

See all 2,510 rated container ships with exposure and dock windows. Sign in →

Note: Container/ro-ro cargo ship vessels are excluded from this ranking — their CII type is a per-vessel flag-state determination, so no valid comparison metric exists for them.

Sort 🌱 Greenest first 🔧 Least efficient first — retrofit candidates

Size (TEU)

All sizes < 3,000 TEU 3k – 8k TEU 8k – 14k TEU > 14,000 TEU

Year

2025 2024

2,076

vessels ranked

2.25

greenest (g CO₂/dwt·nm)

8.41

segment median

#	Vessel	Size (TEU)	Built	Length	Main Engine	Carbon intensity — AER (g CO₂/dwt·nm)	Grade
701	CMA CGM CALLISTO IMO 9410753	11,400 TEU	2010	363 m	MAN - 12K98ME-C	7.0	B
702	MSC SARAH V IMO 9181675	4,400 TEU	2000	294 m	SAMSUNG HEAVY INDUSTRIES CO., LTD. 9 K 90 MC	7.0	B
703	MSC JOANNA IMO 9304435	9,178 TEU	2006	337 m	MAN - 12K98MC-C	7.0	B
705	CMA CGM OTELLO IMO 9299628	8,488 TEU	2005	334 m	Hyundai - 12 K98MC	7.0	B
704	HYUNDAI COLOMBO IMO 9323508	6,763 TEU	2007	304 m	MAN - 12K98MC-C	7.0	B
707	CMA CGM MERCANTOUR IMO 9969089	5,920 TEU	2021	255 m	MAN-B&W 6G80ME-C10	7.0	B
706	MSC ANTONELLA IMO 9702273	8,819 TEU	2016	300 m	MAN - 9S90ME-C10	7.0	B
708	CSCL NEPTUNE IMO 9467316	14,074 TEU	2012	366 m	MAN - 12K98ME-C	7.0	B
710	MSC ALGHERO IMO 9618288	8,827 TEU	2013	300 m	Hyundai - 9S90ME-C8	7.0	B
711	EVELYN MAERSK IMO 9321512	11,000 TEU	2007	399 m	Doosan - DOOSAN-SULZER 14RT-FLEX96C	7.0	B
709	MAERSK SENANG IMO 9315240	5,648 TEU	2007	318 m	Wärtsilä - 11RT-flex96C	7.0	B
712	MSC TAKORADI VIII IMO 9983683	8,182 TEU	2022	272 m	MAN-B&W 6G80ME-C10	7.0	B
713	MSC NURIA IMO 9349825	4,870 TEU	2008	275 m	MAN - 7K98MC-C	7.0	B
715	MSC MARIANNA IMO 9226920	6,402 TEU	2002	304 m	Hyundai - 10 K 98 MC-C	7.0	B
714	APL GWANGYANG IMO 9461879	10,106 TEU	2011	349 m	Hyundai - 12 K 98 ME	7.0	B
717	MSC ANZU IMO 9710426	8,800 TEU	2015	300 m	MAN - 9S90ME-C9	7.0	B
716	NHAVA SHEVA EXPRESS IMO 9406738	9,954 TEU	2011	350 m	Wärtsilä - 12RT-flex96C	7.0	B
718	CORCOVADO IMO 9687564	9,300 TEU	2015	300 m	MAN - 8S90ME-C10	7.0	B
719	CSCL JUPITER IMO 9467263	14,674 TEU	2011	366 m	Doosan - 12K98ME-C	7.0	B
720	ONE TRITON IMO 9356713	6,661 TEU	2008	304 m	MAN - 11K98ME-C	7.0	B
721	MSC MEXICO V IMO 9231779	4,800 TEU	2002	294 m	HHI - 9K90MC-C	7.0	B
722	MOL ENDOWMENT IMO 9333852	4,803 TEU	2007	294 m	Hyundai - 9 K 90 MC-C	7.0	B
724	MSC JEONGMIN IMO 9720471	9,411 TEU	2016	300 m	Hyundai - 9S90ME-C10	7.1	B
723	MSC ALYSSA IMO 9235050	4,315 TEU	2001	274 m	Sulzer - 8RTA84C	7.1	B
729	MSC SOFIA CELESTE IMO 9702091	8,819 TEU	2015	300 m	MAN - 9S90ME-C10	7.1	B
731	CAUQUENES IMO 9687552	9,300 TEU	2015	300 m	MAN - 8S90ME-C10	7.1	B
728	CMA CGM ANDROMEDA IMO 9410727	11,400 TEU	2009	363 m	Hyundai - 12K98ME-C	7.1	B
727	CMA CGM CENTAURUS IMO 9410777	11,400 TEU	2010	363 m	MAN - 12K98ME-C	7.1	B
726	HYUNDAI BRAVE IMO 9346304	8,562 TEU	2008	340 m	Wärtsilä - 14RT-flex96C	7.1	B
725	MSC VILDA X IMO 9146479	7,226 TEU	1998	347 m	Hitachi - 12K90MC	7.1	B
730	HYUNDAI COURAGE IMO 9347542	8,600 TEU	2008	340 m	Wärtsilä - 14RT-flex96C	7.1	B
732	MSC LUISA IMO 9225677	6,732 TEU	2002	300 m	HSD ENGINE CO., LTD. 10 K 98 MC-C	7.1	B
733	MSC LETIZIA IMO 9702065	8,819 TEU	2015	300 m	MAN - 9S90ME-C9	7.1	B
736	MSC GIOVANNA VII IMO 9153850	6,690 TEU	1998	300 m	ISHIKAWAJIMA - 12RTA96C	7.1	B
735	SYNERGY ANTWERP IMO 9443580	4,253 TEU	2008	260 m	MAN - 8K90MC-C	7.1	B
734	MAERSK COLUMBUS IMO 9332987	6,188 TEU	2007	299 m	Doosan - 10RT-flex96C	7.1	B
737	ACASTOS IMO 9973004	2,800 TEU	2022	186 m	MAN-B&W 6S60ME-C10	7.1	B
738	CMA CGM HARMONY IMO 9952828	7,000 TEU	2021	272 m	Hyundai Heavy Industries Co Ltd - South Korea 7G80ME-C10-HPSCR	7.1	B
739	MSC ANYA IMO 9297864	5,043 TEU	2005	294 m	Sulzer - 9RTA96C	7.1	B
741	ONE HAMBURG IMO 9395159	8,212 TEU	2009	336 m	MAN - 12K98ME	7.1	B
740	MSC NAOMI IMO 9704984	8,800 TEU	2015	300 m	MAN - 9S90ME-C9	7.1	B
744	MSC VITA IMO 9702089	8,800 TEU	2015	300 m	MAN - 9S90ME-C10	7.1	B
743	MSC FLORENTINA IMO 9251705	6,732 TEU	2003	300 m	HSD ENGINE CO., LTD. 10 K 98 MC-C	7.1	B
742	BURGUNDY IMO 9372872	3,426 TEU	2008	229 m	Hitachi - 8 K80MC-C	7.1	B
746	CMA CGM LA TRAVIATA IMO 9299795	8,488 TEU	2006	334 m	Hyundai - 12 K98MC	7.1	B
745	MSC ROBERTA V IMO 9038907	4,422 TEU	1993	294 m	Hyundai - 9 K 90 MC	7.1	B
750	CMA CGM LOIRE IMO 9674531	9,200 TEU	2015	300 m	Hyundai - 9S90ME-C9	7.2	B
749	MSC LILY IMO 9704960	8,800 TEU	2015	300 m	MAN - 9S90ME-C9	7.2	B
748	MSC ROCHELLE IMO 9141297	4,800 TEU	1997	294 m	Hyundai - 9 K 90 MC-C	7.2	B
747	BREMERHAVEN EXPRESS IMO 9723253	9,040 TEU	2015	300 m	Wärtsilä - 8X92	7.2	B

Page 15 of 41 — 2,034 vessels

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Engine intelligence

Which engines power the greenest fleets?

The main engine is the single largest CO₂ source on board — typically well over 80% of a ship's emissions come from propulsion. We aggregated this ranking the other way around: every engine design is scored by the measured carbon intensity of the vessels carrying it, licensee-built units merged under their design brand. The verdict from the 2024 data — modern dual-fuel designs like MAN B&W's ME-GI and WinGD's X-DF families, together with EGR/SCR-abated and ultra-long-stroke G-type engines, consistently power the most emission-friendly ships in service.

Emission-friendly engine ranking

AER (Annual Efficiency Ratio) = annual CO₂ emissions ÷ (deadweight × distance sailed), the IMO carbon-intensity metric used for CII ratings. It is built only from measured CO₂, distance and deadweight — not the self-reported cargo transport-work figure, which is unreliable. Implausible outliers (top 2% per segment) are excluded. Grade A–E reflects each vessel's rank within its segment. Source: EMSA THETIS-MRV.