In the present work, a techno-economic investigation has been conducted to identify the changes in configuration an off-grid renewable energy system comprising of Solar Photovoltaic Panels as main supply with battery as back-up for electrification of a house situated in a location with unreliable electric supply named Borjhar, Guwahati, Assam, India. RAMP software has been used to generate more accurate demand data in a short period of time for the house located in an unreliable electricity area. The generated load data has been simulated using HOMER PRO software on a minute-by-minute basis for determination of net present cost and levelized cost of energy. It was observed that the load profile varied considerably with changes in the user behavior including the change in load factor and peak demand. For the system configuration, simulations for annual power demand with higher load factor and higher daily load demand provided a lower levelized cost of energy compared to annual power demand with lower load factor and lower daily load demand.

Topics
Batteries, Renewable energy, Solar panels
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