Street lights are not, in general, metered. Each local authority agrees with the power company the number of lights, street signs, bollards &c and the hours that each one will be on. Some are controlled by sensor and others by old control wires. Based on the number of hours usage and power consumption which will drop as new street lights become more efficient, a monthly fee is charged. So, if it is gloomier than predicted the power company looses, but if there is plenty of early sun in January they win ...
BT phone boxes were run on a similar basis and Bus Stop Shelters are too.
I believe that an FTTC cabinet has an internal meter which reports back across a telemetry link and actual consumption is paid for.
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