We like to see ourselves as a pioneering company at the forefront of sustainable maritime innovation. Our mission is to participate in revolutionizing the shipping industry by providing fossil-free fueling solutions that drastically reduce carbon emissions and environmental impact. As global trade continues to grow, the need for cleaner, more efficient marine vessels has never been greater. Green Ships AS is committed to designing and implementing cutting-edge technologies that harness renewable energy sources, such as hydrogen, biofuels, ammonium and electric power, to propel ships without reliance on traditional fossil fuels.
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Our vision is to create a cleaner, greener future for the maritime industry while supporting global sustainability goals. Through our innovative approach, we aim to lead the transition to zero-emission shipping, ensuring a thriving ocean ecosystem for generations to come.
Green Ships AS is a consultancy company involved with design and building of vessels which are optimized for a greener environment (reduced fuel consumption and reduced emissions such as CO2, NOx, SOx, Methane and PM). Green Ships AS has been involved with different types of vessels; offshore vessels, fast ferries, cruise ships, and specialized vessels such as drill ships, crane/accommodation barges and shuttle tankers. We are also involved in design of naval vessels. We offer consultancy for shipowners, shipyards, maritime equipment vendors, sub-sea contractors and finance institutions.Green Ships AS has also been involved as manager/owner of smaller fast ferries, and as minority owner in some ship owning companies. Special features of Green Ships AS vessels are:
Modern hull form with low resistance, improved operability and motion characteristics
Advanced hybrid power plants, normally based on diesel-electric/gas turbine with WHRS, along with battery/windmill systems
Use of advanced multi propulsion systems
Use of dual-fuel systems, combining diesel and/or LNG as required
In all our projects listed below, we utilize a similar technology framework based on hybrid electric power plant systems. These systems incorporate a combination of the following:
This approach ensures efficiency, sustainability, and compliance with the latest environmental regulations.
82 m PSV – forward propulsion82 m PSV – aft propulsion Basically Same PSV, beam of 20 m, free deck space of 970 m2,2 different VSP locations, forward VSP optimized for execellent DP/motion good motion control system, very good in harsh enviroment. With aft VSP propulsion, the PSV is optimised more for low FO consumption system and slightly higher speeds.
Green Ships 96m WSV/AHTS (Windpark Service Vessel, 430 ton BP/1000m2 deck space)
Drill ship & Light well intervention (LVI)102 m Light well intervention (LWI) shipBreadth 20 m, accommodation for 120 persons, hellideck, Huisman 120 tons tool handling tower, 5,5 m x 5,5 moon pool, 2 wROV units, 50 - 100 tons offhshore crane, 1000 m2 free deck space, space for other subsdea work such as scale scquice, general IMR work.
86 m AHTS,Breadth 21 m, Depth 9,0 m, 200 -250 ton BP (Bollard pull), free deck area 810 m2wROV system.
93 m AHTS300 -350 ton BP, beam 24 m, depth 10 m, prepared for pree-mooring of anchors , free deck space 1050 m2 (option 1200 m2), 6 chain lockers of 1350 m3, 100 tons offshore crane, wROV, 50 men accommodation, 2 Voith VSP units with built-in active roll reduction system, good on DP/god motion characteristics.
Green Ships 75m ePSV Medium size PSV for harsh environment. Beam 17 m, free deck area 720 m2, 28 man crew space, good DP capability, DW 2500/3500 m ton, option 0 CO2/NOX emission. Active roll reduction, with the 2 VOITH VSP units
Green Ships 82 m CSOV Hybrid/Ammona Comissioning/Service/Operation and IMR vesselThe vessel has a beam of 20 m, accommodation for 120 persons, includes an (optional choice) gangway system, helideck, wROV system, 50 tons offhshore crane, 2 lifeboats, MOB boat and daughter craft. Very good DP and station keeping/motion control with the 2 x Voith VSP units which gas built-in roll reduction system. Option for ZERO emission, using Pelican fuel cells/Amogy Ammonia cracker system.
196 m mono hull/submersible DP drill ship.This very special drill ship combines the hull of a normal mono hull drill ship with the pontoons of a semisub, with resuling high DW. Twin Huisman (or other) drilling tower,With totally 8 thrusters it is very flexible, and with the 4 x Voith VSP units with active roll reduction system, it can work in hars environments. With this hull & propulsion system, the drill ship can easily enter shipyards with out any preparations. Good transit speed of 14 Kts Including Hellideck and ROV system.This ship/hull concept can also be used for FPSO units, etc.
Green Ships 180m 50.000 tonnes DWT environmentally friendly Tanker, LNG Electric Power plant, which fulfills Tier3 requirements. LOA: 180 m, Breadth: 32 m, Speed: 14 kts
The world's fastest, environmentally friendly ropax ferry – 35 KTS
160 m luxury cruise ship, for 500 passangers, can run on Ammonia and/or MDO/LNG
Hybrid sustainable container ship, 140m
135 m Ropax cruise ship, 1200 passengers/380 cars, can use Ammonia.
58 m HYBRID DIESEL ELECTRIC YACHT Aluminium hull - IMO TIER 3
Overview of GS Naval Vessels: Corvette and Frigate Green Ships AS presents two advanced, multi-mission naval vessels: 1. GS 70m Corvette Length: 70 meters Type: Fast, mono-hull, guided missile corvette Speed: Up to 40 knots Often referred to as a Littoral Combat Ship (LCS) 2. GS 110m Frigate Length: 110 meters Type: Compact, multi-mission, guided missile frigate Speed: 30+ knots Key Features (Common to Both Vessels) Advanced Armament and Sensors: - Both vessels are equipped with state-of-the-art sensors and modern weapons systems. Propulsion and Power Systems: - Both vessels utilize similar power and electrical plant configurations. - Each has 3 to 6 independent engine rooms and several separate control rooms. - Powered exclusively by reliable MAN diesel engines and ABB electrical systems (no gas turbines or complex earboxes). - Propulsion is provided by waterjet units (e.g., MJP), eliminating vulnerable components such as propeller shafts, propellers, and rudders. Weapons Systems Armament options include, but are not limited to: 1 × 76mm Super Rapid main gun 32–60 Vertical Launch System (VLS) cells for various missile types (range: 40–200 km) Advanced Anti-Submarine Warfare (ASW) system with towed array sonar Helicopter deck and hangar (Frigate only) 2 × 2 lightweight torpedo launchers 20–30mm Close-In Weapon Systems (CIWS) 2 × 4 anti-ship missile canisters 1 or 2 MPLS (Multi-Purpose Modular Launch Systems) for up to 100 short-range missiles/rockets Additional systems as per customer requirements Sensors and Electronics Sensor packages to be defined in collaboration with the client and may include: Long-range, multi-target tracking radars X-band and L-band radar options A variety of systems are available depending on performance, weight, and budget requirements Environmental and Operational Efficiency Hybrid propulsion systems for fuel efficiency and extended range Compliant with IMO Tier III NOx regulations at low speeds Low CO₂ and methane emissions Designed for minimal crew requirements: - GS 110 Frigate: fewer than 100 personnel - GS 70 Corvette: approximately 50 personnel Cost and Procurement Considerations Final pricing for the GS 70 Corvette and GS 110 Frigate depends on selected sensor and armament configurations, as well as the chosen shipyard. In general, modern naval ships have a cost breakdown of approximately 50% for the base platform and 50% for armaments and systems. However, due to the high-end equipment integrated into the GS vessels, the cost breakdown is closer to 40% platform and 60% systems. Estimated Base Costs: GS 110 Frigate: Approx. EUR 100 million GS 70 Corvette: Approx. EUR 50 million Production and Financing Green Ships AS is in contact with several advanced shipyards, both in Norway and internationally. These yards, while not traditional naval contractors, specialize in complex vessels (e.g., offshore support ships, RoPax ferries) and offer competitive pricing with short delivery times. Financing solutions through private and state-backed maritime financing agencies can be arranged, including the possibility of leasing options for “grey” naval ships. Further pricing details and technical specifications are available upon request.
+47 92 65 41 64
Green Ships AS Hagan Terrasse 3, N-0377 Oslo
post@greenships.no
