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Abstract: Spatial assessments of crop residue biomass and its power potential at village level in Sonitpur district of Assam, India is presented in this paper. Recent IRS P6 LISS-III remote sensing data of the study area is analyzed in GIS environment to map crop areas and subsequently residue biomass availability at village level. Altogether 16 different types of crop residues are identified in the district with rice crop as dominant residue. About 0.17 million tonnes of crop residue biomass, having about 17MW potential power, is spatially distributed in the rural areas of the district. Village level biomass power mapping is done assuming combustion route of decentralized power generation. Considering the acute shortage of grid connected power supply in the study area, the decentralized crop residue based power generation could be an attractive option. At individual level, thermal power plant up to 72kW could be possible to cater the essential power need of the villager. [Copyright &y& Elsevier]