Innovative PV-Thermal Storage System for Rural Households in Cold Regions

Access to reliable energy in remote cold regions remains a major challenge. Rural households often depend on firewood, coal, or kerosene for heating and cooking, which not only contributes to deforestation and pollution but also affects health due to indoor smoke. With extreme weather conditions demanding continuous heating, there is an urgent need for clean, affordable, and sustainable energy solutions.

An innovative answer lies in photovoltaic-based thermal energy storage (PV-TES) systems. These systems capture solar energy through photovoltaic panels and store excess electricity as heat in thermal storage units. The stored heat can then be used for space heating, hot water, and cooking during night-time or cloudy days, ensuring uninterrupted energy access. This dual use of solar energy—electricity plus heat—makes PV-TES particularly suitable for regions where heating demand is high.

The benefits of this system extend beyond energy access. It reduces reliance on fossil fuels, cuts greenhouse gas emissions, and minimizes pressure on forest resources. At the household level, it improves indoor air quality by replacing smoky fuels and enhances overall living conditions. The modular and scalable design also makes it practical for rural communities with varying energy needs.

In conclusion, the PV-TES system offers a sustainable and innovative pathway to empower rural households in remote cold regions. By addressing both heating and electricity needs, it provides a reliable, eco-friendly, and cost-effective solution. With further adoption and policy support, this technology can transform rural energy access and contribute to a cleaner, more resilient future.

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