A Multicriteria Analysis of Photovoltaic Systems: Energetic, Environmental, and Economic Assessments

Table 1

Economic, energetic, and environmental indicators.

Regions	EPBT	EROI	GHG/kWh	GPBT	GROI	NPV	DPBT
Sicilia	2.4	7.9	71	2.5	7.5	775	4	1.29
Sardegna	2.5	7.6	74	2.6	7.2	681	4	1.25
Calabria	2.5	7.6	74	2.6	7.2	679	4	1.25
Puglia	2.5	7.4	75	2.7	7.0	645	4	1.24
Basilicata	2.5	7.4	76	2.7	6.9	628	5	1.24
Campania	2.5	7.3	76	2.7	6.9	627	5	1.24
Lazio	2.6	7.2	77	2.7	6.8	606	5	1.23
Molise	2.6	7.2	78	2.8	6.8	599	5	1.23
Abruzzo	2.6	7.1	79	2.8	6.7	576	5	1.22
Umbria	2.7	7.1	80	2.8	6.7	570	5	1.22
Marche	2.7	7.0	80	2.8	6.6	558	5	1.22
Toscana	2.7	7.0	80	2.8	6.6	554	5	1.21
Liguria	2.7	6.9	82	2.9	6.5	536	5	1.21
Emilia R.	2.7	6.9	82	2.9	6.5	533	5	1.21
Veneto	2.8	6.7	84	3.0	6.3	496	5	1.19
Piemonte	2.8	6.6	84	3.0	6.3	493	5	1.19
Lombardia	2.8	6.6	85	3.0	6.2	485	6	1.19
Friuli V.G.	2.9	6.4	88	3.1	6.1	421	6	1.17
Trentino A.A.	3.0	6.3	89	3.2	5.9	421	6	1.17
Valle d’Aosta	3.0	6.2	91	3.2	5.8	410	6	1.17

EPBT (years); EROI (kWh/kWh); GHG/kWh (gCO₂eq/kWh); GPBT (years); GROI (gCO₂eq/gCO₂eq); NPV (€); DPBT (years); (€/€).