The copper has been taken from rural properties and Powercor utilities throughout the Macedon Ranges.

Police believe the offenders use vehicles to pull out the cables, causing considerable and disruption to services.

These offences usually occur overnight and early mornings.

Anyone who thinks they may be able to provide information about the thefts, or the subsequent sale of stolen copper, is urged to contact Crime Stoppers on 1800 333 000.

If anyone sees any suspicious persons or vehicles at any electrical infrastructure in their neighbourhood they should contact Triple-0.