It featured eight teams playing in a double round-robin group stage, followed by a knock-out round.
[1] Southern Vipers won the tournament, their third Rachael Heyhoe Flint Trophy title, beating The Blaze in the final.
This represented a doubling of group stage matches from the previous season, which saw teams play each other once.
A bonus point was given where the winning team's run rate was 1.25 or greater times that of the opposition.
In case of a tie in the standings, the following tiebreakers were applied in order: highest net run rate, team that scored the most points in matches involving the tied parties, better bowling strike rate, drawing of lots.