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cold ironing

Cold Ironing: The Future of Emission‑Free Ports

By allowing vessels to plug into shore power instead of burning fuel while docked, Cold Ironing turns conventional ports into clean, quiet, and sustainable energy hubs.

What is Cold Ironing?

Cold Ironing (Onshore Power Supply, OPS) allows vessels to shut down auxiliary engines at berth and connect to shore power. Onboard, ships use a ship‑to‑shore connection (IEC 80005) or AMP with cable management. Portside, infrastructure includes frequency conversion (50 → 60 Hz), voltage transformation, and safe cable handling.

Standards & Compliance

  • IEC 80005 (High/Medium Voltage Shore Connection)
  • DNV/BV risk‑assessed equipment
  • EU/Greek emissions & port regulations alignment

How it Works

Ship Side

  • Shut down auxiliary engines
  • Switchboard prepared for shore connection
  • AMP/cable management engaged

Port Side

  • Frequency converter & transformers
  • IEC 80005 connectors
  • Mobile or stationary cable reels

Benefits for Ports, Cities & Operators

Cleaner Air & Quieter Ports

Cut NOx, SOx, PM, GHG and reduce engine noise for crews, residents and marine life.

Operational Efficiency

Higher energy utilisation, extended engine life, and lower maintenance costs.

Rapid, Scalable Deployment

Stationary OPS or mobile PowerPac units to match berth demand and vessel mix.

Deployment Options

Stationary OPS

Grid‑connected shore power with berth‑level frequency/voltage conversion and fixed cable handling. Best for high‑throughput berths.

  • Berth‑specific engineering
  • Seamless terminal integration
  • Long‑term CAPEX efficiency

Mobile PowerPac

Containerised micro‑power plant (1.5–3 MW) with AMP and cable management; LNG/LBG today, hydrogen fuel cells & battery ESS ready.

  • 8‑month lead time typical
  • Move between berths as needed
  • No heavy grid upgrades to start

Operations Flow

process shape 1 1
01
pro 1 1

Schedule & ETA/CII intake

02
pro 1 2

Position PowerPac & tanktainer

03
pro 1 3

Lift aboard or connect shoreside

04
pro 1 4

Energise & monitor shore power

F.A.Q

Cruise, container, Ro‑Ro, ferries and other IEC 80005‑ready ships; AMP retrofits available.

Start with mobile units to add capacity quickly, then phase in stationary OPS as demand grows.

Mobile PowerPac solutions can be delivered in months; stationary OPS depends on berth engineering.

Options include LNG/LBG today and hydrogen fuel cells & battery ESS as they scale.