The decarbonisation of industrial facilities through on-site renewable generation and waste heat recovery is being enabled by geothermal ORC power systems that convert low-grade thermal energy into electricity. Industrial processes often reject large quantities of heat at temperatures well suited to ORC technology.

Report Key Statistics

Industrial waste heat recovery represents a growing application for ORC systems, capturing energy from furnaces, kilns, compressors, and other equipment. Payback periods depend on heat availability, electricity prices, and system cost.

Geothermal resources near industrial sites enable combined applications, where process heat and electricity are produced from the same resource, improving overall utilisation.

Industry Trends: Combined Heat and Power and On-Site Generation

The dominant trend is combined heat and power, where ORC systems generate electricity while the remaining heat is used for industrial processes or district heating.

On-site generation reduces transmission losses and improves energy security for industrial operators, while also reducing exposure to grid price volatility.

Challenges: Heat Source Variability and Integration

Heat source availability and temperature can vary over time, requiring system designs that accommodate fluctuations without compromising performance.

Integration with existing industrial infrastructure requires careful engineering and coordination with plant operations.

Future Outlook: Standardised Modules and Service Models

Standardised ORC modules will reduce engineering cost and shorten project timelines for industrial applications.

Service models that bundle equipment, maintenance, and performance guarantees will lower barriers for industrial operators who prefer predictable costs.

Expert Discussion: Application Requirements

Industry observations from Market Research Future highlight the importance of understanding heat source characteristics when designing ORC systems for industrial applications.

System design should consider heat availability, temperature profile, and electricity requirements.

Vendor support and integration capabilities are important for successful deployment.

Conclusion

The Grey Hydrogen Market represents one approach to industrial decarbonisation, and geothermal ORC power systems represent another, capturing thermal energy that would otherwise be wasted. While challenges related to heat source variability and integration persist, standardised modules and service models continue to improve economics. Combined heat and power will define the next generation of industrial ORC applications.

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