Table 3 Battery sustainability Indices.

From: A novel holistic metric for sustainability assessment of photovoltaic/battery systems

SOCSI (fraction)

2017

2018

2019

BSI (fraction)

2017

2018

2019

Cairo

0.383

0.529

0.468

Cairo

0.614

0.702

0.666

Berlin

0.605

0.488

0.559

Berlin

0.755

0.685

0.728

Riyadh

0.711

0.707

0.714

Riyadh

0.807

0.806

0.809