Many lights will be exempt from the scheme for safety reasons, including those at junctions or roundabouts, those in town centres where CCTV needs to remain an effective crime deterrent , and in alleyways linking residential streets.
Mark Moon, Wokingham Borough Council's manager of place and neighbourhood services, said: "We don't want to make people feel unsafe during this trial so I'd like to reassure residents."
The affected lights will be switched off between midnight and 05:30 BST.
Responding to a parliamentary question, former environment minister Elliot Morley claimed that Britons waste the equivalent of two power stations of electricity each year by leaving appliances such as televisions on standby.
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