The Electrical Trades Union says the writing is on the whiteboard for Ergon Energy.

ETU members said they were invited to a meeting with Ergon executives at the energy company's Banyo site in order to discuss the enterprise bargaining agreement and upon entering the meeting room discovered a whiteboard detailing "do not rub off" strategies to deal with its privatisation.

Ergon Energy says the notes discovered on a whiteboard were simply strategies to deal potential scenarios and not concrete plans.

Written on the whiteboard was the possibility the new owner of the regional energy distributor would come from Asia. Singapore Power is considered one of the most obvious parties interested in the government's privatisation plan.

The ETU official snapped photos and sent it to union organisers, who promptly posted the whiteboard photos to the union's Facebook site. Ergon responded by insisting the photos be taken down, there be no further publication and "that all copies of these and any other photographs taken are destroyed".