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Table 11 Economic benefit analysis of the proposed grid-connected system compared to the base case off-grid 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 switch to the proposed grid-based system

$34.96 M

Calculated annualized value of the benefit

$2.73 M

Calculated payback period (PBP)

6.09 years

Discounted payback period (DPBP)

7.18 years

Calculated rate of return (ROI)

16.41%

Calculated internal rate of return (IRR)

16%