Onshore Power Supply (OPS), commonly referred to as “cold ironing” or shore power, is expected to play a critical role in reducing pollution and achieving global decarbonisation targets, so International Association of
Onshore Power Supply (OPS), commonly referred to as “cold ironing” or shore power, is expected to play a critical role in reducing pollution and achieving global decarbonisation targets, so International Association of Classification Societies (IACS) has published recommendation, Rec. 182, a comprehensive framework to support the effective adoption of OPS systems.
This recommendation provides detailed guidance for ship designers, builders, operators and owners on integrating OPS systems into both newbuilds and retrofits, while addressing the technical and operational challenges associated with its implementation.
It supports IMO MSC.1/Circ.1675 - Interim Guidelines on the Safe Operation of Onshore Power Supply (OPS) Service in Port for Ships Engaged on International Voyages.
The Recommendation outlines the following aspects to facilitate its adoption:
Ship Requirements for OPS: Ships engaged in international voyages should be equipped with ship-side installations capable of accepting shore power. This includes incoming power receptacles, shore connection switchgear, and necessary protections to ensure compatibility with shore-side systems.
Ship-to-Shore Connection Protocols: The recommendation outlines specific protocols for the connection of ship-side and shore-side systems, emphasizing the need for dedicated ship-side circuit installations to manage the connection and disconnection of power safely.
Testing Procedures for First Connection: At the first call at a shore
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