TransAlta Reports Strong First Quarter 2021 Results led by Exceptional Performance at Alberta Hydro News provided by Share this article First Quarter 2021 Highlights Comparable EBITDA (1) of $310 million, an increase of $90 million or 41 per cent compared to the same period in 2020 Free cash flow ("FCF") (1) of $129 million or $0.48 per share compared to $109 million or $0.39 per share, a 23 per cent increase on a per share basis, for the same period in 2020 Hydro segment delivered $77 million of comparable EBITDA, an increase of $51 million or 96 per cent compared to the same period in 2020 Adjusted availability was 88.6 per cent compared to 92.8 per cent for the same period in 2020