Akita, Japan: A hot spring lodging facility in Akita Prefecture has introduced a biomass-based bioenergy system that converts rice husks and buckwheat hulls into renewable fuel, reducing dependence on expensive kerosene while creating a productive use for agricultural residues.
The facility has installed a biomass boiler that generates bioenergy from locally sourced farm byproducts. The initiative is expected to reduce fuel costs by about 20 percent and lower greenhouse gas emissions, demonstrating how biomass resources can support both energy security and environmental sustainability in rural communities, News on Japan reported.
Under the project, around 450 tonnes of rice husks and buckwheat hulls will be used annually as biomass fuel. By turning agricultural waste into bioenergy, the facility is creating an alternative renewable energy source while reducing the disposal burden on local farmers.
The project also incorporates a circular biomass utilisation model. Ash produced from the biomass boiler will be mixed with chicken manure and marketed as fertiliser, returning nutrients to agricultural land and helping to close the resource loop between farming and energy production.
Officials say the biomass bioenergy initiative will contribute to sustainable agriculture by creating additional value from crop residues that would otherwise have limited economic use. The project is also expected to strengthen the long-term viability of the hot spring facility, which serves as an important tourism destination and community gathering place.
Supporters believe the initiative could become a model for rural regions seeking to expand the use of biomass-based bioenergy, reduce fossil fuel consumption and build more sustainable local economies through the efficient use of agricultural resources.













