Consulting and software for thermodynamic power plant simulation, Settlement Systems and Digital Twins
ENEXSA GmbH
Raaba-Grambach (AT)New on Amplifa
About ENEXSA
ENEXSA GmbH, based in Raaba-Grambach near Graz, is an engineering and software company for the energy sector. As a technical consultant for utilities, independent power producers (IPP/IWP/IWPP), EPC companies and component manufacturers, its team of engineers and software developers develops optimal process configurations with regard to capacity, efficiency and reliability. The service portfolio includes thermodynamic process simulation, billing systems (Plant Settlement Systems) for the electricity and water industries, custom software development, performance libraries for EBSILON®Professional (gas turbines, reciprocating engines, heat pumps) as well as Digital Twins and Fuel Demand Models. In addition, ENEXSA offers its own DPS Data Processing Service, Distributed Calculation Services, cloud solutions and Fleet Monitoring. Reference projects include, among others, the Al Kharsaah solar power plant in Qatar, the Taweelah seawater desalination plant in the UAE and the Myingyan combined-cycle power plant in Myanmar.
- Site
- Raaba-Grambach
- Processes
- Thermal Process Simulation (Process Simulation), Plant Settlement Systems (billing systems for power plants/water plants), Customized Software Development, EBSILON® Libraries (gas turbine, reciprocating engine, heat pump performance models), Digital Twins / Fuel Demand Model (FDM), DPS Data Processing Service (data acquisition, processing, feedback), Fleet Monitoring (EBSILON-based power plant monitoring), Technical Consulting / Heat Balance Analysis for Power Plant Projects (IPP/IWPP)
- Materials
- EBSILON®Professional Process Simulation, Plant Accounting & Settlement System, EBSILON® Libraries, Digital Twins / Fuel Demand Model, DPS Data Processing Service, Distributed Calculation Service
- Founded
- 2007
- Employees
- ca. 20 (11-50)
- Industries
- Energy and utility industry, Power plant operators (utilities, IPP/IWP/IWPP), EPC companies, Component manufacturers, Water treatment/desalination, Oil and gas
- 01
Consulting and requirements analysis
- 02
Thermodynamic process simulation and heat balance analysis
- 03
Software development and modeling (EBSILON libraries, Digital Twins, FDM)
- 04
Data acquisition and processing (DPS/DCS, cloud)
- 05
Commissioning and continuous monitoring
Services and Processes
EBSILON®Professional Process Simulation
Detailed heat balance analysis and scenario analysis for thermal power plant processes, developed jointly with IQONY Solutions.
Plant Accounting & Settlement System
Configurable billing systems that accurately map contractual frameworks and power plant performance guarantees.
EBSILON® Libraries
OEM performance models for gas turbines, reciprocating engines and heat pumps for efficient analysis of modern energy systems.
Digital Twins / Fuel Demand Model
Virtual representations of plants that realistically depict performance behavior across the entire operating range.
DPS Data Processing Service
Proprietary service for the acquisition, processing and feedback of plant data, including handling of low data quality.
Distributed Calculation Service
Distributed computing power and cloud solutions for fleet-wide power plant monitoring.
Locations
Raaba-Grambach
ATHead office with engineering and software development
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Thermal Process Simulation (Process Simulation)Engineering | – | – | – | – | – |
| Plant Settlement Systems (billing systems for power plants/water plants)Engineering | – | – | – | – | – |
| Customized Software DevelopmentEngineering | – | – | – | – | – |
| EBSILON® Libraries (gas turbine, reciprocating engine, heat pump performance models)Engineering | – | – | – | – | – |
| Digital Twins / Fuel Demand Model (FDM)Engineering | – | – | – | – | – |
| DPS Data Processing Service (data acquisition, processing, feedback)Engineering | – | – | – | – | – |
| Fleet Monitoring (EBSILON-based power plant monitoring)Engineering | – | – | – | – | – |
| Technical Consulting / Heat Balance Analysis for Power Plant Projects (IPP/IWPP)Engineering | – | – | – | – | – |
Additional services
Reference customers
History
- 2007
Founding of ENEXSA GmbH; previously active as VTU Energy
- 2015
Settlement System for the 800-MWp Al Kharsaah solar power plant in Qatar
- 2019
Plant Settlement System for the Taweelah RO Independent Water Plant in the UAE
- 2025
Release of the ENEXSA Heat Pump Library for EBSILON®Professional