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This work quantitatively analyzes the evolution of hybrid stand-alone microgrids in the US, Germany, Pakistan and South Africa to determine the grid price parity date for a solar PV/Diesel/Battery hybrid system in each market. The energy system model and NREL’s HOMER software are used to simulate the microgrid operation and forecast the levelized cost of electricity into the future for each location,...
Declining costs for solar photovoltaics (PV) and excitement about new technologies have led to speculation that self-sufficient PV/battery storage systems will soon become competitive with traditional electricity service. We compare a grid-tied residential solar system with an off-grid solar-plus-battery system at 1020 US locations, and calculate three effects of “grid defection” for each: the private...
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