Your cities chamber of commerce or the transportation department.
There are 230kv and 110kv GIS substations in chennai functioning from 1998 ,commssioned by Tamilnadu electricity board.
to locate places
It is a network of lines that used to zone different areas on a map. They help locate places by separating areas
What do truck-mounted infrared cameras look for in substations and on power lines
Someone could locate places to rent in London by going to the London Relocation Services website. The website has a listing of places that can be rented out in London.
It is brief, convinient,inexpensive
its convinient
accessible / convinient
when its most convinient
no it is a way to locate places
a map
Rather than where? Circuit breakers are always located in substations.