The Irish unit of a Norwegian-owned energy firm last year enjoyed soaring pre-tax profits of €289.8m from its share in the Corrib Gas Field - and paid no corporation tax.
Instead Equinor Energy Ireland Ltd received a corporate tax credit of €89.17 million on its 2021 profits.
A surge in gas prices in the second half of last year contributed to Corrib Gas Partner Equinor recording pre-tax profits of €289.8m for last year.