Top 5 Benefits of Using Biogas in Kerala’s Rural and Urban Homes

 

As Kerala moves toward a greener future, sustainable energy sources are becoming a necessity rather than a choice. Among the available options, biogas in Kerala has emerged as a practical and eco-friendly solution for both rural households and urban communities. Whether it’s managing organic waste or reducing LPG usage, biogas offers multiple advantages that align with Kerala’s environmental goals.

In this article, we’ll explore the top 5 benefits of using biogas and why it’s gaining popularity across the state.

1. Eco-Friendly Waste Management

One of the biggest advantages of biogas is its ability to convert organic waste into clean energy. In a state like Kerala, where food waste from households, hotels, and markets is high, biogas plants provide an efficient solution. Instead of sending waste to landfills, it is processed to produce methane gas for cooking and organic slurry for farming.

✅ Fact: A family-size biogas plant can handle 2–3 kg of food waste daily, reducing the burden on local waste collection systems.

2. Reduces LPG and Electricity Costs

With the rising cost of LPG and electricity, more families in Kerala are turning to biogas as a cost-effective alternative. A well-maintained biogas plant can meet a significant portion of a household’s cooking fuel needs, helping reduce monthly gas bills.

Many homes in Kochi and Thrissur report saving up to ₹300–₹500 per month on LPG after switching to biogas.

3. Ideal for Both Rural and Urban Settings

While biogas systems are traditionally associated with rural areas, Kerala’s urban households are also adopting compact biogas units. Innovative designs now allow the installation of small-scale biogas digesters in apartments, rooftops, and even balconies.

Urban dwellers in cities like Thiruvananthapuram and Kozhikode are setting up biogas systems using kitchen waste, making their homes more self-sufficient.

4. Generates Organic Fertilizer

Biogas plants do not just produce gas — they also generate a nutrient-rich by-product known as slurry. This organic fertilizer can be used for vegetable gardens and farms, reducing the dependency on chemical fertilizers and enhancing soil health.

Farmers in Palakkad and Idukki have integrated biogas slurry into their organic farming practices with great success.

5. Government Incentives and Support

The Kerala government, through agencies like ANERT (Agency for Non-conventional Energy and Rural Technology), offers subsidies and financial support for installing biogas systems. These initiatives make it easier for more families and institutions to make the switch.

Subsidies can cover 30–50% of the installation cost depending on the plant type and location.

Conclusion

The use of biogas in Kerala is not just a trend — it’s a powerful step toward a cleaner, greener lifestyle. From saving money and managing waste to promoting organic farming, the benefits are too significant to ignore. Whether you’re in a small village or a city flat, a biogas plant can empower your home with sustainable energy.

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