The Central Bank generated a profit of over €2.2bn euro last year.
The annual report for 2015 claims that almost €1.8bn of that was paid into the exchequer.
The bank has said it is seeing tentative signs of recovery in the euro.
It is also promising to review new mortgage lending rules requiring house-buyers to have a 20% deposit.
The public are being asked for written submissions analysing the impact the rules are having.
You can find the report in full here.