I just talked to the guys at the club, and they told me that it's the district championship for Östra Svealands Styrkelyftsförbund (Stockholm, etc.). Date and place isn't official yet, but it should be sometime during the first half of November. You need a competition licence in order to be compete.
You can visit
Svenska Styrkelyftförbundet for more information (when it becomes available).
Since my club requires all its members to have competed in at least one of three division competitions (serietävlingar) for it to pay for the competition licence, I will wait until next year's division competitions to start again. So I won't compete I November, but will do it next year.
I'll probably come and watch in November, though.
Do you compete?