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Table 12 Economic benefit analysis of the switch from the grid-connected system to the EE-based system (Excel results)

From: Assessment of a decentralized grid-connected photovoltaic (PV) / wind / biogas hybrid power system in northern Nigeria

Analyzed parameters Specification
Calculated capital recovery factor (CRF) 0.0782
Net of NPC as benefit of the system switch to EE-based system $14.63 M
Calculated annualized value of the benefit $1.14 M
Calculated payback period (PBP) 1.78 years
Discounted payback period (DPBP) 1.99 years
Calculated rate of return (ROI) 56.25%
Calculated internal rate of return (IRR) 56%