With almost €1 billion going into savings accounts in December, there is a possibility that banks could start charging consumers to hold their money.
Credit unions, businesses and pension funds have been paying negative interest rates on deposits for a while, and banks are now facing charges from the European Central Bank to hold money on deposit.
But will this impact personal customers, and if so what are your options?
Charlie Weston, personal finance editor with the Irish Independent, joined us to discuss this.