Integrating Solar Photovoltaic Power Source and Biogas Energy-Based System for Increasing Access to Electricity in Rural Areas of Tanzania

Table 13

Summarized results of financial evaluation.

Technology	Investment cost ($)	Replacement cost ($)	O&M cost ($)	Fuel cost ($)	Salvage ($)	Total NPC ($)
System 1
Solar PV	28000	0	952.75	0	0	28952.75
BIOG	6500	0	10825.67	1081.64	967.31	17440
Batteries	36000	10905. 84	3429.92	0	1848.80	48484
Converter	8000	4541.86	0	0	1038.03	11503.83
System	78500	15447.7	15208.35	1081.64	3854.14	106383.55
System 2
Solar PV	28000	0	952.75	0	0	28952.75
DG set	2053.06	2053.06	6396.46	25569.55	293.03	33725.74
Batteries	36000	10700.36	3429.92	0	2281.55	47848.72
Converter	8000	4541.86	0	0	1038.03	11503.83
System	74053.06	15242.22	10778.83	25569.55	3612.61	122031.06
System 3
DG set only	6310	56273.09	425652.67	3847566.29	982.49	4334819.56
System	6310	56273.09	425652.67	3847566.29	982.49	4334819.56