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 2025. Lower is greener. Pick a segment and size class to see the greenest vessels first.

Segment rank (2025)

#1,420 of 2,221 container ships

CO₂ intensity

10.1 g CO₂/dwt·nm

vs segment average (9.9)

+2% 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

1,079 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

2,208

vessels ranked

2.88

greenest (g CO₂/dwt·nm)

8.26

segment median

#	Vessel	Size (TEU)	Built	Length	Main Engine	Carbon intensity — AER (g CO₂/dwt·nm)	Grade
1401	MSC NIOVI VIII IMO 9290488	7,471 TEU	2005	300 m	MAN - 12K98MC-C	10.0	D
1402	HAIAN GAMA IMO 9322516	3,398 TEU	2007	223 m	MAN - 8K80 MC-C	10.0	D
1403	HUTTON IMO 9311787	2,742 TEU	2006	222 m	MAN - 7L70MC-C	10.0	D
1404	NORDPACIFIC IMO 9802487	2,500 TEU	2018	195 m	Hyundai - 6G60ME-C9	10.0	D
1405	CAPE ALTIUS IMO 9848730	2,700 TEU	2020	186 m	MAN - 6G60ME-C9	10.0	D
1406	OOCL GUANGZHOU IMO 9404869	4,578 TEU	2006	260 m	MAN - 8K90MC-C	10.0	D
1407	AITOLIKOS IMO 9386483	4,300 TEU	2009	260 m	MAN - 8K90MC-C	10.0	D
1408	MSC ANA CAMILA III IMO 9261827	2,526 TEU	2003	208 m	HSD ENGINE CO., LTD. 7 L 70 MC	10.0	D
1409	ARTEMIS IMO 9339595	2,554 TEU	2008	209 m	Hudong Heavy Machinery - 6 K80ME-C	10.0	D
1410	MARIUS IMO 9802504	2,500 TEU	2018	195 m	Hudong Heavy Machinery - 6G60ME-C9	10.0	D
1411	GEMLIK EXPRESS IMO 9751107	2,586 TEU	2017	186 m	HHM Shangchuan Diesel 6G60ME-C9	10.0	D
1412	WADI ALRAYAN IMO 9208875	3,011 TEU	2000	215 m	8K80MC-C	10.0	D
1413	XIN WEI HAI IMO 9312573	4,250 TEU	2006	263 m	Doosan - 8K90MC-1	10.0	D
1414	JOLLY ROSA IMO 9484534	4,380 TEU	2010	260 m	Doosan - 8K90MC-C	10.1	D
1415	CAPE SCOTT IMO 9950117	2,700 TEU	2023	189 m	Hudong Heavy Machinery Co Ltd - China 7S60ME-C10-HPSCR	10.1	D
1416	MSC SPRING III IMO 9316359	2,732 TEU	2006	211 m	MAN - 7S70MC-C	10.1	D
1417	GLASGOW EXPRESS IMO 9232589	4,115 TEU	2002	281 m	Sulzer - 9RTA96C	10.1	D
1418	CMA CGM DEBUSSY IMO 9445576	4,255 TEU	2009	262 m	Wärtsilä - 8RTA82C	10.1	D
1419	ASTRAIOS IMO 9961465	1,800 TEU	2021	172 m	Hyundai - 6S60ME-C10	10.1	D
1420	MSC ROSSELLA III IMO 9320025	2,700 TEU	2006	222 m	MAN - 7L70MC-C	10.1	D
1421	ALLEGRI IMO 9127459	1,120 TEU	1996	169 m	Mitsui - 7 S 50 MC	10.1	D
1422	MSC KATYA R. IMO 9227302	4,112 TEU	2002	281 m	Sulzer - 9RTA96C	10.1	D
1423	MSC HERMES IMO 9350317	2,490 TEU	2006	212 m	MAN - 7S70MC	10.1	D
1424	MSC NAISHA III IMO 9307839	2,524 TEU	2005	207 m	Doosan - 8 L 70 MC-C	10.2	D
1425	ANL WYONG IMO 9334155	4,500 TEU	2008	260 m	MAN - 8K90MC-C	10.2	D
1426	MELCHIOR SCHULTE IMO 9676723	2,339 TEU	2015	189 m	Doosan - 6G60ME-C9	10.2	D
1427	MSC ANGELA IMO 9351593	4,254 TEU	2008	265 m	DALIAN MARINE - 8K90MC-C	10.2	D
1428	KAWA KOPER IMO 9159878	1,560 TEU	1997	183 m	Mitsui - 6S60MC	10.2	D
1429	SAN ALBERTO IMO 9344643	1,819 TEU	2007	186 m	Hyundai - 6 L70MC-C	10.2	D
1430	ZIM ASIA IMO 9464716	4,308 TEU	2010	260 m	MAN - 8K90MC-C	10.2	D
1431	MAERSK IZMIR IMO 9348168	3,364 TEU	2008	232 m	HHI - 8K80 E-C MK6	10.2	D
1432	MAERSK NEWCASTLE IMO 9215878	2,556 TEU	2001	210 m	Hyundai - 7RTA72U	10.2	D
1433	JPO GEMINI IMO 9294020	2,478 TEU	2005	207 m	HSD ENGINE CO., LTD. 7 L 70 MC	10.2	D
1434	LITTLE EMMA IMO 9980356	1,800 TEU	2015	172 m	MAN-B&W 6S60ME-C10	10.2	D
1435	SEOUL EXPRESS IMO 9193305	4,890 TEU	2000	294 m	MAN - 7K98MC	10.2	D
1436	MSC MADISON II IMO 9231119	1,842 TEU	2002	193 m	DALIAN MARINE - 7 S 60 MC-C	10.2	D
1437	MSC POLARIS IMO 9074042	4,743 TEU	1995	300 m	Mitsubishi - 12RTA84C	10.2	D
1438	JPO PISCES IMO 9297852	4,132 TEU	2005	264 m	Hyundai - 9 K 90 MC-C	10.2	D
1439	HAMMONIA BALTICA IMO 9481532	2,790 TEU	2011	225 m	MAN - 7L70MC-C	10.2	D
1440	CHIQUITA FARMER IMO 1032438	1,747 TEU	2025	172 m	MAN-B&W 6S60ME-C10	10.3	D
1441	MSC IKARIA VI IMO 9261449	4,492 TEU	2002	279 m	Sulzer - 11RTA96C	10.3	D
1442	AS NINA IMO 9401178	3,426 TEU	2010	229 m	MAN - 8K80 MC-C	10.3	D
1443	DYROS IMO 9380403	4,506 TEU	2005	260 m	MAN - 8K90MC-C	10.3	D
1444	VIKING ORCA IMO 9555254	1,800 TEU	2015	172 m	MAN-B&W 6S60ME-C10	10.3	D
1445	AS PALINA IMO 9283693	2,550 TEU	2003	210 m	Hyundai - 7 RTA 72 U-B	10.3	D
1446	ELISABETH P. IMO 9320142	2,702 TEU	2005	215 m	Hitachi - 7 L70MC-C	10.3	D
1447	CONTAINERSHIPS AURORA IMO 9814014	1,380 TEU	2015	170 m	Wärtsilä - 7RT-flex50DF	10.3	D
1448	PANTHER IMO 9138276	2,474 TEU	1998	207 m	DIESELMOTORENWERK ROSTOCK GMBH 6 L 70 MC	10.3	D
1449	ITAL BONNY IMO 9786970	2,926 TEU	2015	212 m	Hitachi - 8S70ME-C8	10.3	D
1450	ERASMUS NINJA IMO 9339583	2,500 TEU	2007	209 m	Hudong Heavy Machinery - 6 K80ME-C	10.3	D

Page 29 of 44 — 2,163 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 2025 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.