Sierra Leone:
0 kWh (1999)

Singapore:
0 kWh (1999)

Slovakia:
930 million kWh (1999)

Slovenia:
2.2 billion kWh (1999)

Solomon Islands:
0 kWh (1999)

Somalia:
0 kWh (1999)

South Africa:
3.884 billion kWh (1999)

Spain:
6.23 billion kWh (1999)

Sri Lanka:
0 kWh (1999)

Sudan:
0 kWh (1999)