Renewable energy based off-grid rural electrification in Uttarakhand state of India: Technology options, modelling method, barriers and recommendations

Energy deficiency is one of the key enigmas impacting the livelihood of millions of poverty stricken people throughout the world. It is quite evident that electrification of rural areas can improve the standard of education, health conditions, living and empowering the youth of the nearby population. Uttarakhand state of India is mainly encompassing southern periphery of Himalayas. Census of India reveals that about 123 numbers of villages and 1966 numbers of village hamlets are still unelectrified in the state. Electrification of these villages/hamlets of remote hills using renewable energy resources in off-grid mode is a feasible option compared to uneconomical grid extension. State has identified small hydro power potential of 1500MW, mean annual daily solar radiation of 4.5–5.5kWh/m2 with 300 sunny days in a year, enormous forest foliage, crop residue, animal waste and mean annual wind speed of 5–5.5m/s in some places of the state. The present study comprises the utilization of single technology based system such as small hydro, biomass, biogas, solar and small wind turbines etc. and also aggregated technology, depending on the availability of the resources in the present locality. A methodological framework has been established to avail the demand and resources assessment of the area. Various barriers and issues are finally discussed, which leads to a greater obstacle, in the path of system implementation. In order to address these barriers and issues, suitable solutions are recommended in the present context.

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