Bulk Carrier 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
1,301 at D/E4,717 rated vessels · 525 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 |
|---|---|---|---|---|---|
| Propeller redesign / replacement | 4,881 | 5–10% | €400k–1,200k | — | vendor claim |
| Bulbous bow reprofiling | 4,831 | 2–6% | €300k–900k | — | vendor claim |
| Turbocharger cut-out | 3,327 | 1–3% | €80k–250k | — | vendor claim |
| Rotor sails (per unit) | 3,159 | route-dependent | €1,500k–3,500k | — | vendor claim |
| Suction wing sails (per unit) | 3,159 | route-dependent | €1,000k–2,500k | — | vendor claim |
| Methanol dual-fuel conversion | 2,972 | 5–15% | €8,000k–20,000k | — | 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 |
|---|---|---|---|
| STAITHES · 25-60k | E | 12y | 2026 |
| LANNA NAREE · 25-60k | E | 14y | 2026 |
| MAGNOLIA · 25-60k | E | 15y | 2026 |
| ASIAN PRIDE · 60-100k | E | 9y | 2026 |
| PERSEUS · 60-100k | E | 11y | 2026 |
| # | Vessel | Size (DWT) | Built | Carbon intensity — AER (g CO₂/dwt·nm) | Grade |
|---|---|---|---|---|---|
| 1801 |
GHARAPURI ISLAND
IMO 9496147
|
57,978 | 2010 |
4.6
|
C |
| 1802 |
BULK SPIRIT
IMO 9355501
|
52,950 | 2009 |
4.7
|
C |
| 1803 |
AFRICAN QUEEN
IMO 9389930
|
55,000 | 2007 |
4.7
|
C |
| 1804 |
DSI DRAMMEN
IMO 9775141
|
63,379 | 2016 |
4.7
|
C |
| 1805 |
NORVIC SINGAPORE
IMO 9958341
|
39,738 | 2023 |
4.7
|
C |
| 1806 |
ERGUVAN S
IMO 9603063
|
57,970 | 2011 |
4.7
|
C |
| 1807 |
MAKEDONIKOS
IMO 9884605
|
61,087 | 2020 |
4.7
|
C |
| 1808 |
LIGNUM GRID
IMO 9897975
|
42,446 | 2022 |
4.7
|
C |
| 1809 |
FLAG GANGOS
IMO 9643908
|
56,526 | 2013 |
4.7
|
C |
| 1810 |
ROSTRUM HAMBURG
IMO 9997268
|
40,012 | 2024 |
4.7
|
C |
| 1811 |
JUST
IMO 9581370
|
57,551 | 2011 |
4.7
|
C |
| 1812 |
PACIFIC TALISMAN
IMO 9712931
|
61,415 | 2016 |
4.7
|
C |
| 1813 |
GREAT 61
IMO 9731365
|
61,580 | 2015 |
4.7
|
C |
| 1814 |
TZAREVETZ
IMO 9968504
|
45,210 | 2024 |
4.7
|
C |
| 1815 |
LIBRA
IMO 9494242
|
56,702 | 2010 |
4.7
|
C |
| 1816 |
TIGER JILIN
IMO 9712216
|
63,415 | 2015 |
4.7
|
C |
| 1817 |
CLIFTON BAY
IMO 9615743
|
58,628 | 2012 |
4.7
|
C |
| 1818 |
KAVO PERDIKA
IMO 9584889
|
58,740 | 2013 |
4.7
|
C |
| 1819 |
DENITA WAVE
IMO 9476458
|
93,201 | 2011 |
4.7
|
C |
| 1820 |
SUMMIT SUCCESS
IMO 9310628
|
82,922 | 2005 |
4.7
|
C |
| 1821 |
STAR STONINGTON
IMO 9575151
|
63,301 | 2012 |
4.7
|
C |
| 1822 |
OKOLCHITSA
IMO 9841653
|
45,494 | 2020 |
4.7
|
C |
| 1823 |
MARO MARO
IMO 9553725
|
61,143 | 2022 |
4.7
|
C |
| 1824 |
NEW ISLAND
IMO 9258349
|
47,304 | 2002 |
4.7
|
C |
| 1825 |
AGAPI S
IMO 9514822
|
62,145 | 2010 |
4.7
|
C |
| 1826 |
KRONOS
IMO 9625815
|
57,399 | 2012 |
4.7
|
C |
| 1827 |
WEST BAY
IMO 9278868
|
52,451 | 2004 |
4.7
|
C |
| 1828 |
GREAT ZHOU
IMO 9766932
|
64,794 | 2017 |
4.7
|
C |
| 1829 |
KN FOREST
IMO 9558268
|
58,037 | 2013 |
4.7
|
C |
| 1830 |
HONG KONG EAGLE
IMO 9743590
|
63,472 | 2016 |
4.7
|
C |
| 1831 |
KYTHIRA
IMO 9943243
|
37,400 | 2022 |
4.7
|
C |
| 1832 |
HAATO
IMO 9589786
|
61,472 | 2011 |
4.7
|
C |
| 1833 |
EQUINOX SEAS
IMO 9229697
|
52,009 | 2000 |
4.7
|
C |
| 1834 |
KWAI KWAI
IMO 9780976
|
57,819 | 2016 |
4.7
|
C |
| 1835 |
EVA ISTANBUL
IMO 9972440
|
40,552 | 2023 |
4.7
|
C |
| 1836 |
HONY FUTURE
IMO 9583823
|
56,716 | 2012 |
4.7
|
C |
| 1837 |
CETUS HUMPBACK
IMO 9670731
|
43,479 | 2015 |
4.7
|
C |
| 1838 |
TOMINI KAIMAI
IMO 9709269
|
40,112 | 2013 |
4.7
|
C |
| 1839 |
OZGUR AKSOY
IMO 9475040
|
58,410 | 2011 |
4.7
|
C |
| 1840 |
FEDERAL PRESTIGE
IMO 9942196
|
42,701 | 2023 |
4.7
|
C |
| 1841 |
SUNRISE JADE
IMO 9732955
|
63,244 | 2015 |
4.7
|
C |
| 1842 |
ZHOUSHAN ISLAND
IMO 9610729
|
58,044 | 2010 |
4.7
|
C |
| 1843 |
STELLA L
IMO 9500687
|
58,096 | 2012 |
4.7
|
C |
| 1844 |
VICTORIAN TRADER
IMO 9945526
|
40,255 | 2023 |
4.7
|
C |
| 1845 |
WADI ALYARMOUK
IMO 9460772
|
80,384 | 2010 |
4.7
|
C |
| 1846 |
SPAR TAURUS
IMO 9299288
|
53,195 | 2005 |
4.7
|
C |
| 1847 |
BONAS
IMO 9401972
|
51,687 | 2010 |
4.7
|
C |
| 1848 |
SSI PRIDE
IMO 9250579
|
48,635 | 2002 |
4.7
|
C |
| 1849 |
CLIPPER BARI-STAR
IMO 9792711
|
37,976 | 2023 |
4.7
|
C |
| 1850 |
AMIS UNICORN
IMO 9882279
|
61,175 | 2020 |
4.7
|
C |
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.