Utilization of Rooftop Solar Units to Generate Electricity and Hydrogen: A Technoeconomic Analysis

Table 2

Technical and economic analysis of the proposed system under scenario 1.

Project lifetime	COE ($/kWh)	NPC ($)	Operating cost ($/yr)	Initial capital ($)	Annualized O & M ($/yr)	Excess electricity (kWh/yr)	Revenue by selling the excess electricity ($/yr)	Total electricity production (kWh/yr)	PBP (yr)	CO2 emission reduction (kg/yr)
10	0.067	2,680	-927	16,592	112	17,680	2,687	20,792	1	5,759
20	0.145	17,594	22	16,592	112	17,680	2,687	20,792	6.8	5,759
30	0.136	38,603	207	16,592	112	17,680	2,687	20,792	15	5,759
40	0.127	77,945	267	16,592	112	17,680	2,687	20,792	30.3	5,759