Street lights that can be remotely switched off at night to save power are being considered in parts of Wiltshire.
The council's cabinet has agreed to run a number of pilot schemes on new estates which, if successful, could be extended to the rest of the county.
It is hoped the move could save money, reduce light pollution and help the county reduce its carbon footprint.
The new lights, controlled centrally, will allow operators to switch them off on individual estates.
Wiltshire County Council said it did not know how much money the system could save but added it spent more than £1.25m on street lighting during 2007.