TransAlta (TA.TO) reported Q2 adjusted earnings of C$0.18 per share, unchanged from a year earlier.
Analysts polled by FactSet expected C$0.16.
Revenue for the quarter ended June 30 totaled C$487 million from C$433 million a year earlier.
The company's production was 4,720 gigawatt-hour (GWh) from 4,813 GWh in the previous year.