If you have a complaint, please contact us first so we can attempt to resolve the matter for you (sumo.com.au, phone: 13 88 60).
If we are unable to resolve your complaint, you can contact the Energy and Water Ombudsman Victoria on 1800 500 509.
If you have a complaint, please contact us first so we can attempt to resolve the matter for you (sumo.com.au, phone: 13 88 60).
If we are unable to resolve your complaint, you can contact the Energy and Water Ombudsman Victoria on 1800 500 509.