
Develops the SWS-PowerBox®, an energy and data platform that autonomously supplies freight wagons with electricity.

SWS PS Power Solutions GmbH
Graz (headquarters) · Swiss manufacturing partner (series production Underframe)New on Amplifa
About SWS Power Solutions
SWS PS Power Solutions GmbH, based in Graz, develops the SWS-PowerBox®, the energy and data platform for the intelligent freight wagon. A hydraulic axle generator converts the wagon's kinetic energy during travel into electricity (recuperation 4.5–18 kW), while a rechargeable lithium iron phosphate battery storage system (20–80 kWh) covers standstill and shunting operation and supplies refrigerated containers, refrigerated swap bodies and tank containers emission-free. The system is available as a Tower version for pocket wagons (80', 90', 104') and as an Underframe version for flat wagons (60', 80', 90', 104') and is suitable for both retrofit and new builds. Series production of the Underframe system takes place at a Swiss manufacturing partner; SWS itself develops hardware, software and data services in Graz. Every unit is connected to the SWS monitoring platform: live data, alarms, remote servicing, ticketing system, predictive maintenance and CO₂ reporting. Customers include wagon keepers, railway operators, terminals, ports and freight forwarders; over 140 systems are in operation across Europe, including on routes such as Hamburg–Budapest, Oslo–Narvik and Wrocław–Koper.
- Site
- Graz
- Processes
- Monitoring platform (live data, alarms, remote maintenance), CO₂ reporting, Predictive maintenance, Remote servicing, Ticketing system, Retrofit and new-build equipment for freight wagons, Operational training for terminal crews
- Materials
- Lithium iron phosphate (LiFePO4/LFP) battery technology, Lithium iron phosphate battery technology (LiFePO4), Hydraulic axle generator
- Founded
- 2020-10-28
- Industries
- Rail freight transport, Cold chain / refrigerated transport, Intermodal transport, Terminals & ports, Freight forwarding
- 01
Development in Graz
- 02
Series production at the Swiss manufacturing partner
- 03
Monitoring platform and data services
- 04
Remote servicing and maintenance
- 05
Operational training for terminal crews
Technology and System Components
Lithium iron phosphate battery technology (LiFePO4)
Battery storage system in operating temperature range T1 from -25 °C to +60 °C according to EN 50125-1 with minimal capacity loss.
Hydraulic axle generator
Generates electricity during travel from the wagon's kinetic energy, approx. 0.13 kWh/km.
Locations
Graz
ATHeadquarters, development, monitoring platform
Systems and Assemblies




Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Assembly | – | – | – | – | Steel (wagon superstructures), Lithium iron phosphate batteries (LiFePO4) |
Additional services
Reference customers
Company History
- 2020
Foundation of SWS PS Power Solutions GmbH on 28 October 2020 in Graz
- 2021
Market launch of the SWS-PowerBox® (base version)
- 2023
CNA InnovationsPreis – Winner Sustainability; introduction of CO₂ reporting
- 2024
Introduction of the SWS-PowerBox® V-5.0 UF (Underframe); VTG quote in IntermodalNews
- 2025
VCÖ Mobility Award Styria and VCÖ Mobility Award Austria (climate-friendly freight transport); report on RailFreight.com
- 2026
Series production of the Underframe system at the Swiss manufacturing partner; customer workshop at LOCONI Intermodal in Warsaw; market entry in North America, India and Australia/New Zealand