IMO NZF · EEDI · GFI · CII
13,996 DWT Chemical Tanker · Compliance Intelligence Dashboard · Apr 2026
Live Model MARPOL Annex VI Phase 3 Active
Interactive Calculator — EEDI · CII · GFI
EEDI = (PME×CFME×SFCME + PAE×CFAE×SFCAE) / (fi×fc×fl×fw×Vref×DWT)
MEPC.212(63) · Numerator = propulsion + auxiliary CO₂ emission rate · Denominator = transport work rate
PME — ME Power (75% MCR)ⓘ
kW · (MCR × 0.75)
CFME — CO₂ Factor MEⓘ
g CO₂/g fuel · MEPC.245(66)
SFCME — ME Fuel Consumptionⓘ
g/kWh
PAE — Auxiliary Powerⓘ
kW (estimated)
CFAE — CO₂ Factor AEⓘ
g CO₂/g fuel
SFCAE — AE Fuel Consumptionⓘ
g/kWh
Vref — Reference Speedⓘ
knots
DWT — Deadweight Tonnageⓘ
tonnes DWT
fw — WAPS Wind Factorⓘ
1.0=no WAPS · 0.776=WAPS active
fi · fc · fl — Correction Factorsⓘ
combined fi×fc×fl (default 1.0)
CIIattained = Annual CO₂ (g) / (DWT × Annual nm)  ·  CIIref = a × DWT−c
MEPC.337(76) / MEPC.353(78) · Rating = Attained / Required · Thresholds: d1=0.82 d2=0.93 d3=1.08 d4=1.28
Operating Days/Yearⓘ
days/year
Laden Fractionⓘ
0–1.0 (e.g. 0.55 = 55%)
Laden Speed (knots)ⓘ
knots
Ballast Speed (knots)ⓘ
knots
Daily Fuel — Laden (MT/day)ⓘ
MT/day (LSFO)
Daily Fuel — Ballast (MT/day)ⓘ
MT/day (LSFO)
CF — Conversion Factorⓘ
g CO₂/g fuel
DWTⓘ
tonnes
WAPS Saving (%)ⓘ
% fuel saving (0=no WAPS)
CII Ref: a-coefficientⓘ
MEPC.353(78) · chem tanker=1388
CII Ref: c-exponentⓘ
MEPC.353(78) · chem tanker=0.488
Year for Ratingⓘ
annual required CII tightening
GFI = (Fuel Mass × CF × LCV) / (DWT × nm)  ·  GFI Index = GFIactual / GFItarget
IMO NZF 2023 Strategy · Green Fuel Index tracks well-to-wake carbon intensity against net-zero trajectory target · Unit: gCO₂e/MJ
Annual Fuel Consumed (MT)ⓘ
MT/year total
Fuel Type Mixⓘ
CF = g CO₂/g fuel · LCV = MJ/kg
Annual Transport Work (t·nm)ⓘ
DWT·nm · baseline 1.27×10⁹
IMO NZF Target Yearⓘ
IMO NZF 2023 GHG Strategy
2008 Baseline GFI (gCO₂e/MJ)ⓘ
gCO₂e/MJ · IMO 2008 reference
LSFO Bunker Price (USD/MT)ⓘ
USD/MT
Core KPI Indicators
EEDI · No WAPS
⚓
9.190
g/(t·nm)
⚠ MARGINAL
Phase 3 req: 9.385 · Final req: 8.595
EEDI · WAPS Active
🌀
7.280
g/(t·nm)
✓ COMPLIANT
15.3% below final req · fw = 0.7761
CII 2026 · Base
📊
7.298
g CO₂/(t·nm)
A RATED · 62.3%
Required 2026: 11.709 · Static
CII · Calc Result
🧮
—
g CO₂/(t·nm)
AWAITING CALC
Run CII calculator to populate
CII Reference Line
📐
13.157
g CO₂/(t·nm)
MEPC.353(78)
a=1388 · c=0.488 · DWT=13,996
GFI · Carbon Intensity
⛽
—
gCO₂e/MJ
RUN GFI CALC
LSFO · SFC_ME 175 · SFC_AE 215 g/kWh
Annual CO₂ · Base
🏭
9,293
t CO₂/yr
BASE CASE
EU route: 7,899 t/yr · Δ 1,394 t avoided
EEDI Phase 3 Margin
📏
0.195
g/(t·nm)
MARGINAL PASS
No WAPS: 9.190 vs req 9.385
WAPS Fuel Savings Comparison
APAC Routes (8%)
239 MT · $143K/yr
EU Routes (15%)
448 MT · $269K/yr
10-Yr EU Premium
Δ $1.253M over APAC
Scenario Profiles
Scenario A
No WAPS — Base Vessel
Attained CII 20267.298 g/t·nm
2035 RatingA
2040 RatingA
CO₂/Year9,293 t
Scenario B
WAPS — APAC Routes (8%)
Attained CII 20266.714 g/t·nm
2035 RatingA
2040 RatingA
Fuel Saved/yr239 MT · $143K
Scenario C
WAPS — EU Routes (15%)
Attained CII 20266.204 g/t·nm
2035 RatingA
2040 RatingA
Fuel Saved/yr448 MT · $269K
KPI Footnotes & Threshold Rules
EEDI Formula
(PME×CF_ME×SFC_ME + PAE×CF_AE×SFC_AE) / (fi×fc×fl×fw×Vref×DWT) · MEPC.212(63)
CII Rating Boundaries
A: ≤0.82 · B: 0.82–0.93 · C: 0.93–1.08 · D: 1.08–1.28 · E: ≥1.28 · MEPC.339(76)
Phase 3 EEDI Threshold
Required: 9.385 g/(t·nm) from 2025+ · Final: 8.595 · MEPC.253(67)
CII Reference Line
CII_ref = a × DWT^(−c) · a=1388 · c=0.488 · MEPC.353(78)
D/E Rating Trigger
3× consecutive D OR 1× E → mandatory SEEMP Part III corrective action
WAPS fw Factor
fw = 1 − (EEDI_noWAPS − EEDI_WAPS) / EEDI_noWAPS · MEPC.1/Circ.896
GFI / NZF Targets
2030: −20% · 2040: −70% · 2050: Net Zero vs 2008 baseline · IMO MEPC 80
Reward / Penalty Basis
EU MRV + FuelEU Maritime · ETS carbon price · Charter TCE premium A/B rated vessels
CII Annual Trajectory — All Scenarios 2026–2040
YearRed.FactorReq'd CII Base CIIAPAC CIIEU CIICalc CII BaseAPACEUCalc
Reward & Penalty Table — CII Rating × Year × Scenario
How this table works: Each row = 1 year. Columns show attained CII rating per scenario, then commercial reward (TCE premium, EU ETS carbon cost saving, charter access) or penalty (ETS cost, corrective action trigger, charter discount) derived from that rating. Calc column uses your live calculator inputs. EU ETS carbon price assumed USD 65/t CO₂. TCE premium A-rated: +USD 1,500/day. D/E penalty: −USD 2,000/day + corrective action cost.
Annual Reward / Penalty by Rating — 2026–2040
EU ETS USD 65/t · TCE premium USD 1,500/day · D-rating penalty USD 2,000/day
Year Req'd CII Base Rating APAC Rating EU Rating Calc Rating ETS Cost — Base (USD) ETS Cost — EU (USD) TCE Effect — Base TCE Effect — EU Regulatory Flag
Reward/Penalty Threshold Rules:
Rating A (ratio ≤0.82): Full charter access · TCE premium +USD 1,000–2,000/day · EU ETS minimum cost · Scope 3 ESG compliance credit
Rating B (0.82–0.93): Standard charter market · No premium · No penalty · ETS cost proportional to emissions
Rating C (0.93–1.08): Charterer scrutiny · Potential 2–5% TCE discount · ETS surcharge exposure · SEEMP review recommended
Rating D (1.08–1.28): Mandatory corrective action if 3 consecutive D ratings · Charter discount −5–10% · USD 2,000/day penalty equiv · SEEMP Part III mandatory
Rating E (≥1.28): Immediate SEEMP Part III · Vessel may be refused charter · EU ETS full surcharge · Potential port state detention risk
EU ETS (from 2024): 40% of verified CO₂ covered in 2024 → 70% 2025 → 100% 2026+ · Price: USD 55–80/t CO₂ range · IMO GHG levy from 2027: ~USD 18–150/t CO₂ (IMO MEPC 82 proposal)
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