Laško Health Resort – Slovenia

Project statistics

Annual savings



Reduction of heating costs by





annual reduction of CO2 emissions

Situation before the contract and client requirements

Thermana Laško is one of the biggest thermal baths in Slovenia with an upscale hotel and wellness centre complex, as well as a medical program. 

Thermana consumes 15,000 MWh of heat energy each year.

The client was using natural gas as energy source for heating and had difficulties with a cogeneration (CHP) unit operating only 1,000 hours per year. 

Resalta solution

Resalta installed an optimal cogeneration (CHP) unit on natural gas, with a 800 kW electricity capacity and 856 kW capacity of thermal power. 

The unit’s heat efficiency is 45% and the overall efficiency  is 87%. 

Resalta sells heat energy to the client and monitors the system through GGE‘s central control system (web access) in real time.

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