Solarus Tri-generation solutions: Solar cooling, electricity & hot water

Solarus tri-generation: Meeting Multiple Energy Demands by Maximizing Solar Energy Utilization with Hybrid PVT Panels and Hybrid Chillers


The quest for sustainable energy solutions has led to the exploration of integrated systems that can meet multiple energy demands efficiently. We are developing tri-generation solutions by utilizing solar energy alongside PVT panels and hybrid chillers to fulfill the requirements for cooling, hot water, and electricity simultaneously. This innovative approach not only maximizes solar energy utilization but also offers a comprehensive solution for diverse energy needs.

Solar Cooling with PVT and Hybrid Chillers

Solar cooling with PVT and hybrid chillers involves the integration of two distinct technologies: PVT panels and hybrid chillers (combining adsorption and compression chillers). PVT panels utilize both solar photovoltaic (PV) cells and thermal collectors to generate electricity and heat simultaneously. The generated electricity powers compression chillers, while the heat is utilized to drive adsorption chillers. This dual approach optimizes solar energy utilization, making the system highly efficient.

Maximizing Solar Energy Utilization

The synergy between PVT panels and hybrid chillers enables the maximization of solar energy utilization. The solar heat collected by PVT panels is utilized in two ways: Firstly, it powers the adsorption chillers, which utilize the heat to drive the cooling process, providing chilled water for air conditioning. Secondly, excess heat can be diverted for hot water production, further enhancing the system’s efficiency. Meanwhile, solar electricity generated by PVT panels is employed to operate compression chillers, offering additional cooling capacity and flexibility.

Tri-Generation Solution

The integration of solar cooling with PVT and hybrid chillers transforms the system into a tri-generation solution. Not only does it provide cooling, but it also generates hot water and electricity. The excess electricity can be utilized to power household appliances or fed back into the grid, contributing to energy independence and sustainability. This multifunctional approach enhances the overall value proposition of the system, making it an attractive option for commercial and industrial applications.

Meeting Multiple Energy Demands

Cooling: Solar energy, harnessed by PVT panels, drives the cooling process through hybrid chillers. Solar heat is utilized to power adsorption chillers, which produce chilled water for air conditioning. This sustainable cooling solution reduces reliance on conventional energy sources, contributing to environmental conservation.

Hot Water: Excess heat generated by PVT panels, beyond what is required for cooling, can be diverted for hot water production. This utilization of surplus energy optimizes the system’s efficiency, ensuring that no valuable solar resource goes to waste. The integration of hot water production further enhances the system’s versatility and practicality.

Electricity: Simultaneously, solar electricity generated by PVT panels powers compression chillers, adding to the cooling capacity of the system. The surplus electricity can be utilized for various purposes, including powering appliances or lighting. This multifaceted approach maximizes the value derived from solar energy, making the system economically and environmentally beneficial.


The integration of solar energy, PVT panels, and hybrid chillers offers several advantages over traditional energy solutions:

Energy Efficiency: By harnessing solar energy directly, the system minimizes energy losses associated with conventional energy conversion processes, resulting in higher overall efficiency.

Resource Optimization: The multi-functional nature of the system ensures optimal utilization of solar resources, maximizing the benefits derived from renewable energy sources.

Cost savings: While the initial investment may be higher than traditional systems, minimal operating costs over life-span makes the integrated solution economically viable over its lifespan.

Environmental Benefits: Reduced reliance on fossil fuels and lower greenhouse gas emissions contribute to environmental sustainability and mitigate the impact of climate change.

Cost Effectiveness with Waste Heat

In scenarios where waste heat is available from industrial processes or other sources, the cost-effectiveness of solar cooling with PVT and hybrid chillers is further enhanced. By utilizing waste heat to supplement solar heat for driving adsorption chillers, the system can achieve higher overall efficiency without additional energy input. This optimization not only reduces operational costs but also minimizes environmental impact by utilizing otherwise wasted heat.


Solar energy, combined with PVT panels and hybrid chillers, offers a holistic solution for meeting diverse energy demands. By integrating solar heat and electricity generation with advanced cooling technology, the system offers a tri-generation solution that provides cooling, hot water, and electricity. By simultaneously providing cooling, hot water, and electricity, this integrated system exemplifies the potential of renewable energy technologies to address multifaceted energy challenges. With its numerous advantages and cost-effectiveness, it represents a significant step towards a sustainable and resilient energy future.