Age: THE energy needed to pump water over the Great Dividing Range to Melbourne in the north-south pipe – equivalent to powering 10,000 homes each year – will be offset by investments in renewable energy. Melbourne Water is also looking at harnessing the hydro power of the water, which may be used to help pump the water up the mountain. There will not be a wind farm or solar plant to “plug in” to the water pumping stations. Melbourne Water will instead negotiate with power …