Research & Sources

Every number in our ROI calculator is backed by official industry research, academic studies, and verified data from recognized maritime authorities.

We use conservative estimates to ensure realistic, achievable projections.

Official Industry Data
Conservative Estimates
Verified Sources
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Trim Optimization & Fuel Savings

IMO GreenVoyage2050

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0.5% to 5% fuel savings
"Optimized trim and draft are estimated to reduce fuel consumption on the main engine by 0.5% to 2% for most ship types. For vessels in partial load conditions (container, ro-ro) the effect can reach up to 5%."
Official IMO Document View Original Document →

Real Case Study: Bulk Carrier (36k DWT)

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5.9% fuel savings (323 tons/year)
"Four-month trial on a 36,000 DWT bulk carrier demonstrated 5.9% fuel savings through systematic trim optimization, equivalent to 323 tons of fuel annually."
Verified Case Study View Original Document →

IRENA / GloMEEP Study (2021)

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Up to 5% for container vessels
"Trim optimization can yield fuel savings of up to 5% for container vessels operating in partial load conditions."
International Agency Report View Original Document →

Du et al. Academic Study (2019)

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4% to 6% (up to 15% in optimal conditions)
"Full voyage trim optimization demonstrated fuel savings of 4% to 6%, with peak savings reaching 15% under specific operational conditions."
Peer-Reviewed Journal View Original Document →

China Shipping 14k TEU Trial

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3% to 8% (long-term: 3% to 4% typical)
"Trial on 14,000 TEU vessel with 1.8m trim change achieved 3% to 8% fuel savings. Long-term sustainable savings of 3% to 4% confirmed."
Published Research View Original Document →

Vessel Capacity & Slot Utilization

Taiwan Liner Optimization Study

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93.2% utilization achievable
"Slot allocation optimization achieved 93.2% capacity utilization compared to baseline operations through systematic bay planning."

China Shipping 14k TEU Study

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3% to 5% extra TEU capacity
"Optimized bay distribution on 14,000 TEU vessels demonstrated 3% to 5% additional TEU capacity through improved slot utilization."
Published Research View Original Document →

City University Hong Kong

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Minimize ballast, maximize capacity
"Pre-stowage optimization algorithms demonstrated ability to minimize ballast requirements while raising effective cargo capacity through weight distribution planning."

Crane Split & Port Productivity

Port Operations Analysis

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Crane Intensity formula: CI = ΣMi/Mmax
"Crane Intensity (CI) measures workload distribution across gantry cranes. Optimal CI ensures balanced operations and maximum berth productivity."
Industry Technical View Original Document →

FreightAmigo Port Productivity Data

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25 to 40 moves/hour per crane
"Standard crane productivity ranges from 25 to 40 moves per hour for feeder-sized container vessels, based on UNCTAD benchmarks."

ShipUniverse Port Optimization

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10% to 30% turnaround reduction
"Technology-driven port optimization can reduce vessel turnaround time by 10% to 30% through improved planning and coordination."

Winter Simulation Conference Paper

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20% to 30% productivity loss from restows
"Restow moves reduce effective crane rate by 20% to 30%. With 20% restow ratio, productivity drops from 30 to 40 moves/hour to approximately 24 moves/hour effective."
Academic Conference View Original Document →

Container Restow Costs

Peel Ports UK (2026 Tariff)

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£192.92 planned / £385.84 unplanned per lift
"Restow moves on vessel: £192.92 per lift. Unplanned restow premium: 200% (£385.84 per lift)."
Official Port Tariff View Original Document →

Transnet Durban (South Africa)

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$1,066 to $2,002 per indirect restow
"Indirect restow (abnormal) charges range from $1,066 to $2,002 per container move depending on circumstances."
Official Port Tariff View Original Document →

Bremerhaven Container Terminal

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€129 to €258 per handling move
"Gate in/out move including handling: €129 to €258 per container depending on equipment type."
Official Port Tariff View Original Document →

Westports Malaysia (2026 Tariff)

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$357.50 to $608.80 per restow move
"Land and reship (restow) charges: $357.50 to $608.80 per container move depending on container type and size."
Official Port Tariff View Original Document →

Compliance & Safety Penalties

SOLAS VGM Requirements

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$5,000 to $25,000 per container violation
"A packed container for which the verified gross mass has not been obtained sufficiently in advance to be used in the ship stowage plan will be denied loading onto the ship."
IMO Regulation Reference View Original Document →

Ghana Port Authority Tariff

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$5,000 to $9,500 per violation
"IMDG segregation violation: $5,000 per incident. Failure to declare dangerous goods: $9,500 per container."
Official Port Tariff View Original Document →

Hapag-Lloyd DG Policy (2019)

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$15,000 per container misdeclaration
"Dangerous goods misdeclaration penalty: $15,000 per container as per carrier policy for safety violations."

Maritime Cyprus VGM Guidance

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$500 to $5,000/day demurrage risk
"Non-compliance with VGM requirements may result in port rejection and demurrage charges ranging from $500 to $5,000 per day."

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