Stories
Inspiring examples on maritime sustainability for shipowners and technology suppliers
Ship-Based Carbon Capture Techno-Economic Guide
This blog provides techno-economic guidance for the use of SBCC onboard your vessel, including operational impact, logistics and of course the costs for implementation. Key points include the following; SBCC is applicable to virtually all ship types, sizes and fuel type but LNG is preferred. SBCC produces 2 m3 of CO2 per day per MW. SBCC costs €115 per ton CO2, is a CAPEX dominated technology and costs €175k per MW.
Hydrogen Powered Propulsion for an Offshore Crane Vessel
This thesis performs a technical, economical and environmental feasibility study of three dense hydrogen carriers as a fuel to power the largest semi-submersible offshore crane vessel in the world – Heerema’s Sleipnir.
Get Ready for the Alfa Lift, an Electric-Hybrid Heavy Lift Crane Vessel
The Alfa Lift, a new build heavy lift crane vessel owned by Offshore Heavy Transport, is on track to enter service by early 2022. The vessel features a 3,000 ton main crane, 10,000+ m² smart deck which can be fully submerged to a depth of 15 meters and a electric-hybrid battery system made by Kongsberg.
Making the Impossible Possible
This blog sketches a vision on how to convert the largest crane vessel in the world - Sleipnir - owned by Heerema Marine Contractors, to a zero-emission vessel. Several promising carbon reduction measures are combined which are technically viable and based on matured technology including electrification and BES, solar panels, synthetic fuels, CCS and possibly hydrogen combustion.
Transocean Spitsbergen goes Hybrid
In April 2019, the Transocean Spitsbergen successfully and sagely installed an electric Energy Storage System (ESS) of 5.6 [MW] on-board. This allowed the semi-submersible drillship to run in hybrid mode during DP3, reducing fuel consumption by about 15%. Economic incentives were provided in the fuel-clause and by the Norwegian NOx Fund.