Tasmania can power itself with hydro — but your electricity bill is not immune from price hikes

Electricity users in Tasmania could be in for price rises of more than 10 per cent. (Tony Briscoe)

Tasmanians have been told to brace for the biggest electricity price hike in a decade as spiralling wholesale electricity costs impact the island state.

Energy consultant Marc White is expecting a regulated price rise of more than 10 per cent to be announced later this month, and is calling for state government intervention to keep it in the "modest" 5-to-10 per cent range.