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.
CII band distribution
1,080 at D/E2,510 rated vessels · 538 of the D/E set dock within 12 months
Docking pipeline — D/E vessels per quarter
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 | 1,615 | 1–3% | €80k–250k | — | vendor claim |
| Propeller redesign / replacement | 1,452 | 5–10% | €400k–1,200k | — | vendor claim |
| Bulbous bow reprofiling | 1,355 | 2–6% | €300k–900k | — | vendor claim |
| Methanol dual-fuel conversion | 907 | 5–15% | €8,000k–20,000k | — | vendor claim |
| LNG dual-fuel conversion | 748 | 15–25% | €15,000k–35,000k | — | vendor claim |
| Shaft generator / PTO | 378 | 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
Retrofit prospects — worst band first
| Vessel | Band | Age | Drop year |
|---|---|---|---|
| HANSA AFRICA · 25-60k | E | 16y | 2026 |
| MSC ANNAMARIA · <25k | E | 1y | 2026 |
| SEPELU · <25k | E | 26y | 2026 |
| MSC SABRINA III · <25k | E | 37y | 2026 |
| C LION · 100-200k | E | 18y | 2026 |
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.
| # | Vessel | Size (TEU) | Built | Carbon intensity — AER (g CO₂/dwt·nm) | Grade |
|---|---|---|---|---|---|
| 1451 |
MARIO A
IMO 9337377
|
1,604 TEU | 2007 |
11.5
|
D |
| 1452 |
GISELE A
IMO 9321471
|
2,702 TEU | 2006 |
11.5
|
D |
| 1453 |
NYSTED MAERSK
IMO 9220897
|
2,226 TEU | 2001 |
11.5
|
D |
| 1454 |
PANTHER
IMO 9138276
|
2,474 TEU | 1998 |
11.5
|
D |
| 1455 |
TOMRIZ A
IMO 9126754
|
1,119 TEU | 1997 |
11.5
|
D |
| 1456 |
CMA CGM MANAUS
IMO 9434917
|
2,556 TEU | 2009 |
11.5
|
D |
| 1457 |
MSC JULIANA III
IMO 9275036
|
2,556 TEU | 2003 |
11.5
|
D |
| 1458 |
EVRIDIKI G
IMO 9231482
|
2,556 TEU | 2001 |
11.5
|
D |
| 1459 |
MSC EAGLE III
IMO 9302449
|
2,478 TEU | 2004 |
11.6
|
D |
| 1460 |
MSC KAYLA
IMO 9242637
|
1,768 TEU | 2002 |
11.6
|
D |
| 1461 |
CONTAINERSHIPS STELLAR
IMO 9866251
|
1,380 TEU | 2021 |
11.6
|
D |
| 1462 |
CUSSLER
IMO 9314997
|
2,824 TEU | 2007 |
11.6
|
D |
| 1463 |
MUKADDES KALKAVAN
IMO 9365829
|
1,880 TEU | 2008 |
11.6
|
D |
| 1464 |
MSC VANQUISH II
IMO 9242625
|
1,768 TEU | 2001 |
11.6
|
D |
| 1465 |
CHIQUITA EXPRESS
IMO 9304758
|
2,490 TEU | 2005 |
11.6
|
D |
| 1466 |
CHIQUITA TRADER
IMO 9304760
|
2,490 TEU | 2005 |
11.6
|
D |
| 1467 |
MSC CANCUN
IMO 9403396
|
4,330 TEU | 2009 |
11.6
|
D |
| 1468 |
BUXLINK
IMO 9235816
|
2,478 TEU | 2002 |
11.7
|
D |
| 1469 |
MSC JENNIFER II
IMO 9433157
|
1,794 TEU | 2009 |
11.7
|
D |
| 1470 |
GARDINER
IMO 9275048
|
2,544 TEU | 2003 |
11.7
|
D |
| 1471 |
NEWYORKER
IMO 9209104
|
2,506 TEU | 2001 |
11.7
|
D |
| 1472 |
FERDINANDA S
IMO 9445019
|
1,577 TEU | 2008 |
11.7
|
D |
| 1473 |
ECO UMANDE
IMO 9959541
|
1,170 TEU | 2024 |
11.7
|
D |
| 1474 |
MSC RICHIKA F
IMO 9386988
|
1,402 TEU | 2008 |
11.7
|
D |
| 1475 |
DAISY
IMO 9270684
|
2,200 TEU | 2012 |
11.7
|
D |
| 1476 |
CRISTINA A
IMO 9337365
|
1,604 TEU | 2007 |
11.7
|
D |
| 1477 |
TIGER
IMO 9307841
|
2,524 TEU | 2005 |
11.7
|
D |
| 1478 |
EM HYDRA
IMO 9338967
|
1,740 TEU | 2005 |
11.7
|
D |
| 1479 |
MARGUERITE A
IMO 9305893
|
1,529 TEU | 2005 |
11.7
|
D |
| 1480 |
CONTAINERSHIPS AURORA
IMO 9814014
|
1,380 TEU | 2019 |
11.7
|
D |
| 1481 |
EM CORFU
IMO 9231494
|
2,556 TEU | 2001 |
11.7
|
D |
| 1482 |
CMA CGM VILA DO CONDE
IMO 9434929
|
2,556 TEU | 2009 |
11.7
|
D |
| 1483 |
CONTAINERSHIPS POLAR
IMO 9814002
|
1,380 TEU | 2015 |
11.7
|
D |
| 1484 |
SAGAMORE
IMO 9322009
|
1,730 TEU | 2008 |
11.8
|
D |
| 1485 |
SEATRADE GREEN
IMO 9810915
|
2,254 TEU | 2019 |
11.8
|
D |
| 1486 |
MAJESTIC
IMO 9694438
|
2,339 TEU | 2015 |
11.8
|
D |
| 1487 |
CAPE FERROL
IMO 9359325
|
1,440 TEU | 2008 |
11.8
|
D |
| 1488 |
VALENCIA EXPRESS
IMO 9108130
|
2,268 TEU | 1996 |
11.8
|
D |
| 1489 |
MSC RHIANNON
IMO 9224051
|
2,024 TEU | 2001 |
11.8
|
D |
| 1490 |
MSC FALCON III
IMO 9299032
|
2,478 TEU | 2004 |
11.9
|
D |
| 1491 |
MSC CLAUDIA
IMO 9113446
|
1,205 TEU | 1996 |
11.9
|
D |
| 1492 |
DIANE A
IMO 9385532
|
1,604 TEU | 2008 |
11.9
|
D |
| 1493 |
MSC POLINA
IMO 9376141
|
2,546 TEU | 2008 |
11.9
|
D |
| 1494 |
ANTIBES EXPRESS
IMO 9243186
|
3,237 TEU | 2002 |
11.9
|
D |
| 1495 |
VENTO DI SCIROCCO
IMO 9305908
|
1,529 TEU | 2005 |
11.9
|
D |
| 1496 |
UBENA
IMO 9690078
|
2,200 TEU | 2016 |
11.9
|
D |
| 1497 |
MIEKE SCHULTE
IMO 9694426
|
2,339 TEU | 2015 |
11.9
|
D |
| 1498 |
CMA CGM DAVAO
IMO 9347293
|
1,819 TEU | 2008 |
12.0
|
D |
| 1499 |
CMA CGM RED
IMO 9690107
|
2,257 TEU | 2016 |
12.0
|
D |
| 1500 |
CHARM C
IMO 9383259
|
2,546 TEU | 2009 |
12.0
|
D |
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.
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.