The National Treasury Management Agency has said it will seek to raise €1 billion in a dual bond auction this week.
The NTMA said it will auction nine and 20-year bonds on Thursday.
The agency has already raised €9.5 billion of its €9-13 billion target through the issuance of benchmark bonds and a further €610m via its first ever inflation-linked bond.
That has helped replenish the scarce pool of Irish debt eligible for the ECB's quantitative easing programme.
Last week the Government announced plans to refinance some of its 2010 International Monetary Fund bailout loans at cheaper market rates, saying the transaction would further increase the ECB's purchase capacity.
