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)

#1,622 of 2,098 container ships

CO₂ intensity

13.3 g CO₂/dwt·nm

vs segment average (10.38)

+29% higher

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

CII band distribution

1,081 at D/E

A 310B 415C 704D 602E 479

2,510 rated vessels · 463 of the D/E set dock within 12 months

Docking pipeline — D/E vessels per quarter

'27 Q1

'27 Q2

'27 Q3

'27 Q4

112

'28 Q1

'28 Q2

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	1,485	1–3%	€80k–250k	—	vendor claim
Propeller redesign / replacement	1,440	5–10%	€400k–1,200k	—	vendor claim
Bulbous bow reprofiling	1,344	2–6%	€300k–900k	—	vendor claim
Methanol dual-fuel conversion	965	5–15%	€8,000k–20,000k	—	vendor claim
LNG dual-fuel conversion	795	15–25%	€15,000k–35,000k	—	vendor claim
Shaft generator / PTO	360	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

624

D/E vessels with at least one eligible measure

€3,295–7,790M

capex range, top measure per vessel (624 of 624 with computable scaling)

1.48–2.63 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
SEPELU · <25k	E	26y	2026	69%	Aug 2028
MSC SABRINA III · <25k	E	37y	2026	61%	Mar 2027
NILEDUTCH LION · 100-200k	E	18y	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)

8.4

segment median

#	Vessel	Size (TEU)	Built	Length	Main Engine	Carbon intensity — AER (g CO₂/dwt·nm)	Grade
1601	SONGA PUMA IMO 9399789	2,750 TEU	2009	225 m	DALIAN MARINE - 7 L70MC-C	13.3	D
1602	KAAN KALKAVAN IMO 9365879	1,849 TEU	2012	183 m	STX - MAN 7S60MC-C	13.3	D
1603	CMA CGM AQABA IMO 9334820	1,740 TEU	2007	176 m	MAN - 7S60MC-C	13.3	D
1604	CMA CGM MAPUTO IMO 9491628	1,740 TEU	2011	175 m	Hudong Heavy Machinery - 7 S 60 MC-C	13.4	D
1605	MED CESME IMO 9256365	1,740 TEU	2003	175 m	Hudong Heavy Machinery - 7 S 60 MC-C	13.4	D
1606	MUSTAFA DAYI IMO 9365855	1,849 TEU	2011	183 m	MAN - 8S50MC-C	13.4	D
1607	CMA CGM FUZHOU IMO 9596313	1,740 TEU	2014	177 m	MAN - 7S60MC-C	13.4	D
1608	MSC BELLE IMO 9203904	1,098 TEU	1998	149 m	Hudong Heavy Machinery - 8RTA48T	13.4	D
1609	VEGA COLIGNY IMO 9939876	1,868 TEU	2023	172 m	Hudong Heavy Machinery - 6RT-flex58T-E	13.4	D
1610	MSC ALBA F IMO 9499010	1,022 TEU	2008	148 m	Yichang - 6S50MC-C	13.4	D
1611	MARLA BULL IMO 9932945	1,900 TEU	2022	172 m	—	13.4	D
1612	LUEBECK IMO 9216092	1,040 TEU	2001	154 m	Hudong Heavy Machinery - 7 L 60 MC	13.4	D
1613	BG BLUE IMO 9964625	1,400 TEU	2024	170 m	Yuchai Marine Power Co. Ltd. 7S50ME-C9	13.4	D
1614	CAPE FRANKLIN IMO 9359301	1,440 TEU	2006	170 m	MAN - 8S50MC-C	13.5	D
1615	ANNABA IMO 9306201	1,574 TEU	2006	168 m	Sulzer - 7RT-flex60C	13.5	D
1616	LION IMO 9208356	1,716 TEU	2000	189 m	Hudong Heavy Machinery - 6 L 70 MC	13.5	D
1617	CAPE FERROL IMO 9359325	1,440 TEU	2008	170 m	MAN - 8S50MC-C	13.5	D
1618	CMA CGM SAHARA IMO 9220861	2,226 TEU	2002	196 m	Hyundai - 8 S 70 MC	13.6	D
1619	CMA CGM FORT ROYAL IMO 9809837	3,300 TEU	2019	219 m	Wärtsilä - 7X72	13.6	D
1620	KESTREL IMO 9626558	1,805 TEU	2013	172 m	Doosan - DOOSAN-MAN 6S60MC-C MK8.1	13.6	D
1621	AVA D IMO 9306225	1,574 TEU	2007	168 m	Hudong Heavy Machinery - 7 RT-FLEX 60C	13.6	D
1622	BFAD PACIFIC IMO 9364203	2,490 TEU	2005	207 m	MAN - 7S70MC-C	13.6	D
1623	ESPERANCE IMO 9491484	1,349 TEU	2011	168 m	Wärtsilä - 6RT-FLEX60C-B	13.6	D
1624	GARWOOD IMO 9347255	1,819 TEU	2008	186 m	Hyundai - 6 L70MC-C	13.7	D
1625	ELBBRIDGE IMO 9968920	1,400 TEU	2021	170 m	MAN-B&W 7S50ME-C9	13.7	D
1626	JOANNA IMO 9204477	1,730 TEU	1999	184 m	Sulzer - 6 RTA 62 U	13.7	D
1627	SPRING C IMO 9308027	3,500 TEU	2007	239 m	Hyundai - 7 K 90 MC-C	13.7	D
1628	MSC JIANI IMO 9966934	1,800 TEU	2023	172 m	UnKnown 6S60ME-C10-HPSCR	13.7	E
1629	CMA CGM ABIDJAN IMO 9323481	1,740 TEU	2006	175 m	Hudong Heavy Machinery - 7 S 60 MC-C	13.7	E
1630	X-PRESS SAGARMALA IMO 9862736	1,800 TEU	2021	172 m	Hudong Heavy Machinery - 6RT-flex58T-E	13.8	E
1631	NEVZAT KALKAVAN IMO 9365867	1,849 TEU	2011	183 m	STX - 7S60MC-C7	13.8	E
1632	AS NURIA IMO 9391787	3,534 TEU	2009	231 m	CSSC - 7K90MC-C MK VI	13.8	E
1633	MSC ADRIANA II IMO 9169055	1,658 TEU	1998	216 m	MAN - 9L58/64	13.8	E
1634	MSC ASSUNTA III IMO 9243590	2,672 TEU	2004	208 m	MAN - 7S70MC-C	13.8	E
1635	CTM ISTMO IMO 9430870	1,740 TEU	2010	176 m	Hudong Heavy Machinery - 7S60MC-C MARK 8	13.9	E
1636	MSC TAMISHKA F IMO 9358905	1,300 TEU	2007	161 m	STX - 6S60MC-C	13.9	E
1637	ATOUT IMO 9354648	1,698 TEU	2010	183 m	MAN - 7S60MC-C	13.9	E
1638	MSC PANAYA IMO 9217565	1,728 TEU	2000	184 m	Sulzer - 6 RTA 62 U	13.9	E
1639	AURETTE A IMO 9242285	1,170 TEU	2002	155 m	MAN - 7S50MC-C	14.0	E
1640	CMA CGM CAYENNE IMO 9709192	2,100 TEU	2015	190 m	Wärtsilä - 7RT-flex58T	14.0	E
1641	CMA CGM SUEZ IMO 9312652	1,740 TEU	2006	176 m	MAN - 7S60MC-C	14.1	E
1642	MERIOS IMO 9264764	657 TEU	2003	133 m	MAK/Caterpillar - MAK 7 M 43	14.2	E
1643	PAN GG IMO 9236286	1,155 TEU	2002	149 m	MECKLENBURGER METALLGUSS, WAREN GERMANY DSG74M1-6	14.2	E
1644	DIANE A IMO 9385532	1,604 TEU	2008	184 m	MAN - 8S50MC-C	14.3	E
1645	MAERSK NAMIBIA IMO 9289180	2,100 TEU	2003	195 m	Doosan - 9RT-FLEX60C	14.3	E
1646	TANGER A IMO 9330939	1,440 TEU	2007	170 m	MAN - 8S50MC-C	14.3	E
1647	CMA CGM MARSEILLE IMO 9709207	2,100 TEU	2015	190 m	Wärtsilä - 7RT-flex58T	14.3	E
1648	MEDKON SAMSUN IMO 9305934	707 TEU	2004	134 m	MAK/Caterpillar - 8M43	14.4	E
1649	CMA CGM NACALA IMO 9550307	1,577 TEU	2009	172 m	Mitsui - 7S60MC-C	14.4	E
1650	CMA CGM HOMERE IMO 9362322	1,691 TEU	2007	170 m	MAN - 7S60MC-C	14.5	E

Page 33 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.