When the Local Government and Elections Wales Act 2021 was brought into force in Wales it meant 16 and 17 year olds and foreign citizens legally resident in Wales could vote in council elections. It also gave councils the power to scrap the first-past-the-post system to elect councillors.
Each of Wales' 22 councils could decide which of two voting systems - first past the post or single transferable vote – to use for local elections.
In the Senedd on Wednesday afternoon, Plaid MSs, with the support of sole Lib Dem MS Jane Dodds, will ask Welsh Government to work closely with the new councils elected in May's forthcoming election to ensure that in 2027, a uniform national system is used to elect councillors across Wales by 2027.