The Molten Junior Premier League (JPL) is Basketball ACT’s premier junior competition.
With clubs represented at Under 12 through to Under 19 competitions, in both boys and girls, the Molten Junior Premier League runs from March to September each year.
The Molten Junior Premier League complements a pathway of development for junior athletes to compete at their highest level, as well as providing a structure to support athlete transition from junior to senior opportunities.
The Molten Junior Premier League is also a stepping stone for coaches looking to advance their career.
In 2023, Champions of the Molten Junior Premier League were:
| Age Group | Boys | Girls |
| Under 12 | Weston Creek Woden Dodgers | Weston Creek Woden Dodgers |
| Under 14 | Ginninderra Rats | Queanbeyan Roadrunners |
| Under 16 | Ginninderra Rats | Daramalan |
| Under 19 | Canberra City Stallions-Div 1 Warriors-Div 2 | Weston Creek Woden Dodgers |