Wärtsilä
Finnish marine and energy group: engines, gensets, propulsors, fuel systems, scrubbers, automation and lifecycle service.
Helsinki, Finland · Company
About
Wärtsilä is a Finnish technology group serving the marine and energy markets, with its head office at the Wärtsilä Helsinki Campus. The company is listed on Nasdaq Helsinki and reports about 17,900 employees in 78 countries and 199 locations, with net sales of EUR 6.2 billion in 2025.
The company was established in 1834 as a sawmill in Tohmajärvi, Karelia, and was renamed Wärtsilä Ab in 1898. It gained control of the Hietalahti and Crichton-Vulcan shipyards in 1935, signed a diesel engine licence agreement in 1938 and completed its first diesel engine in Turku in 1942.
The group states its purpose as shaping the decarbonisation of marine and energy. Valo Energy Storage, previously Wärtsilä Energy Storage, is 50% owned by Wärtsilä.
Products · 95 of 95
- Elogrid™ by Wärtsilä
- Eniram by Wärtsilä Vessel Optimisation Software
- Gate Rudder™: an integrated propulsion and steering concept
- Hybrid propulsion system for ships – Wärtsilä HY
- Marine gensets and auxiliary engines for reliable ship power
- Navi-Harbour Vessel Traffic Management System
- Onboard carbon capture solution (CCS) for ships
- Propulsion control systems for smooth operations
- Wärtsilä 14 High-Speed Marine Engine
- Wärtsilä 20 Marine Engine
- Wärtsilä 25 Marine Engine
- Wärtsilä 31 Marine Engine
- Wärtsilä 31SG
- Wärtsilä 32 Marine Engine
- Wärtsilä 32 Methanol Engine
- Wärtsilä 34DF Dual-Fuel Engine
- Wärtsilä 46F Marine Engine
- Wärtsilä 46TS-DF Dual-Fuel Marine Engine
- Wärtsilä Alternative Maritime Power (AMP) Ship-to-Shore Power System
- Wärtsilä AmmoniaPac – fuel supply system for ammonia-fuelled ships
- Wärtsilä Carbon Intensity Indicator (CII) Dashboard
- Wärtsilä Coastal and Inland Waterway Propellers
- Wärtsilä Coastal Surveillance System
- Wärtsilä Controllable Pitch Propeller (CPP) Systems
- Wärtsilä Dual-Fuel Engines
- Wärtsilä EcoControl Propulsion Control System
- Wärtsilä EGCS Lifecycle Services
- Wärtsilä Electric Propulsion Systems
- Wärtsilä eLogbook
- Wärtsilä EnergoPac
- Wärtsilä Energy Saving Technologies
- Wärtsilä Engine Auxiliary Systems
- Wärtsilä EvoTube® Stern Tube System
- Wärtsilä Exhaust Treatment and Onboard Carbon Capture
- Wärtsilä Exhaust Treatment Lifecycle Services
- Wärtsilä Fixed Pitch Propellers
- Wärtsilä FOS Compliance and Reporting
- Wärtsilä FOS Hull and Machinery
- Wärtsilä FOS Tracking and Awareness
- Wärtsilä FOS Voyage Optimisation
- Wärtsilä Full-Electric Vessel Solutions
- Wärtsilä high friction couplings and hydraulic equipment
- Wärtsilä Hybrid-Electric LNG Carrier Propulsion Design
- Wärtsilä IQ Series Scrubber
- Wärtsilä LNGPac fuel gas supply system
- Wärtsilä Low Loss Concept (LLC) Power Distribution System
- Wärtsilä Marine Diesel Engines
- Wärtsilä Marine Navigation Solutions
- Wärtsilä Methanol Engines
- Wärtsilä MethanolPac fuel supply system
- Wärtsilä Midsize Waterjets
- Wärtsilä Modular Waterjets (WXJ)
- Wärtsilä Navi-Harbour Web VTS
- Wärtsilä Navi-Port Just-in-Time Arrival Platform
- Wärtsilä NOx Reducer (NOR)
- Wärtsilä Offshore Traffic Monitoring Solutions
- Wärtsilä OPTI Design
- Wärtsilä Pilot Management Solution
- Wärtsilä Pilot PRO
- Wärtsilä Port Call Optimisation (Navi-Port)
- Wärtsilä retractable thrusters for unmatched manoeuvrability and station keeping
- Wärtsilä River Information Systems (RIS)
- Wärtsilä Rotor Sails (Anemoi Rotor Sail System)
- Wärtsilä Scrubber Systems (Exhaust Gas Cleaning)
- Wärtsilä Scrubber Upgrades and Service Agreements
- Wärtsilä Search and Rescue (SAR) Solutions
- Wärtsilä Shaft Generator Systems
- Wärtsilä Shaft Line Field Services
- Wärtsilä Shaft Line Solutions: EvoTube, Airguard, IntelliSafe and Monitoring
- Wärtsilä Ship Propeller Solutions
- Wärtsilä Shore Power Solutions
- Wärtsilä SmartLog Noon Reporting
- Wärtsilä steerable thrusters for competitive operating environments
- Wärtsilä sterntube solutions
- Wärtsilä transverse/tunnel thrusters WTT
- Wärtsilä Underwater Mountable Thrusters (WST-U)
- Wärtsilä Vessel Battery Charging Systems
- Wärtsilä Voyage Frontier
- Wärtsilä Waterjet Propulsion Systems
- Wärtsilä WST-18E Embedded Electric Steerable Thruster
- Wärtsilä 2-Stroke Engine Services
- Wärtsilä 4-Stroke Engine Performance Upgrades
- Wärtsilä 4-Stroke Engine Services
- Wärtsilä 50DF Spark Gas Conversion
- Wärtsilä Engine and Propulsion Overhaul Packages
- Wärtsilä Fuel Conversions
- Wärtsilä Genuine OEM Marine Spare Parts
- Wärtsilä In-Situ Machining Services
- Wärtsilä Methane Slip Reduction Upgrades
- Wärtsilä Reconditioning Services for Engine Components
- Wärtsilä Scrubber Overboard Repairs
- Wärtsilä Services for RTA and RT-flex Low-Speed Engines
- Wärtsilä Shaft Line Services
- Wärtsilä The Bearing Centre – White Metal Bearings and 100BOND Technology
- Wärtsilä Turbocharger Services
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