The battle over electricity poles and wires has taken a new turn as the NSW election approaches.

The states political parties have been warned by Ausgrid that they will be charged $50 per political placard that the company removes from its powerpoles in the lead-up to the state election on March 28.

Do not post: Political posters banned from electricity poles. Credit:Jeffrey Chan

In inner-city Sydney, political signs advertising the candidate, issue or party have been attached to power poles during election campaigns for almost as long as the poles have been in existence.

In the suburbs, parties have favoured front yards on prominent corners.