Link for Sweden’s electrical generation mix:
Distribution of electricity generation in Sweden in 2019, by source
Statistics may vary, as countries like to reports by nameplate capacity rather than delivered power, which makes the green portion look better. Fossil fuel only accounts for about 10% of generation, which is not bad. That number can thank Sweden’s hydro potential, which has been fully exploited from about the 80’s, with no new projects on the board, and nuclear, which is intended to be phased out. Hard renewable, some solar but mainly wind, has progressed just past 10%, and probably has a lot of room to grow with the main challenge being maintaining grid stability. Hydro and nuclear are maxed out or declining respectively.