NextDC's full year attributable loss after tax widened to $45.2 million, from a loss of $9.8 million a year ago. Underlying EBITDA advanced 23 per cent to $104.6 million, which came in at the top of a guidance range of between $100 million and $105 million.

Revenue rose 14 per cent to $205.2 million, also at the top end of a guidance range of $200 million to $206 million. The data warehousing firm won't pay a dividend for the year.

"Whilst everyone is adjusting to the new normal presented by the COVID-19 global pandemic, it is pleasing that NextDC has been able to continue delivering on market expectations," said CEO Craig Scroggie.

Based on current billing, contracted utilisation levels and expected new customer contracts, NextDC expects data centre services revenue in a range of $242 million to $250 million in financial year 2021.

Its expecting underlying EBITDA in a range of $125 million to $130 million and capital expenditure in a range of $380 million to $400 million.