DUBLIN--Bank of Ireland PLC, the country's dominant lender, Monday posted a much smaller loss for 2013 and said it is making sustainable profit this year, for the first time since the financial crisis struck in 2008.

The bank has emerged from the nation's banking wreckage and is the only Irish lender to have escaped outright government control during the long crisis. It says it has already paid back in full its share of the huge sums injected by Irish taxpayers to keep the banking system from collapse over the last six years.

Excessive lending during the boom years led to Ireland's disastrous property bust. Eventually, the country was forced to take an international bailout and Ireland formally emerged from that bailout in December. The economy is at last showing signs of recovery, and a return to profit by Bank of Ireland is another sign that stability is returning to the country. "We are profitable and generating capital in 2014," said Chief Executive Richie Boucher.

The bank's underlying figure showed an annual loss of EUR569 million ($785 million), after a EUR1.49 billion loss in 2012. The figure excludes items such as gains or losses it made from disposals under restructuring.

It reported a net attributable loss of EUR487 million, after a loss of EUR1.83 billion in 2012. Its pretax loss in 2013 totaled EUR525 million, compared with a loss of EUR2.18 billion.

Before the cost of the now-expired Irish government's bank guarantee, Bank of Ireland said its net interest income was about EUR2.13 billion in 2013, after EUR1.75 billion in income a year earlier.

The government, which phased out its industrywide banking guarantee in 2013, had hailed the sale of EUR1 billion in so-called contingent convertible, or Coco, notes, early last year, and the disposal in December of EUR1.84 billion in preference shares it held in Bank of Ireland, as signs that normality is returning to Irish banks.

The Irish government now owns about 14% of Bank of Ireland, but rather than selling down its remaining stake, it is likely to try to sell a small stake over the next two years in Allied Irish Banks PLC, effectively Bank of Ireland's only surviving large rival.

The government says that the economy is again producing jobs, providing hope that the surviving broken lenders will return to financial health. But it believes that Ireland's recovery will require more lending than the country has at present.

Analysts say Bank of Ireland's return to profitability has been helped because so many lenders have shut down or have been liquidated, and there is now only limited competition for banking services in Ireland.

Write to Eamon Quinn at eamon.quinn@wsj.com

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