Every light source consumes energy!
The annual energy consumption of public lighting in France is 5.6 TWh. (T = Tera = thousand billion)
5.6 billion KWh
equivalent to
1 ☢️< reactor/p>
or
2.5 million tonnes of coal
or
5.3 million tonnes of CO2 equivalent
Just for lighting, the usefulness of which is debatable...
