The switch-on itself was then followed by a fireworks display, with the town hall providing a striking backdrop to the spectacle.
Pulse FM DJ Gus Michael was on hand to provide some tunes and lead the countdown to the lights going on, with the build-up including a live performance from singer-songwriter Murdo Mitchell.
There was plenty free family fun earlier in the day, with visitors to the town hall getting the chance to meet Santa in his grotto.
Other activities including facepainters, balloon modelling, Christmas crafts and circus workshops, puppet shows and a Christmas carol service, while outside there was funfair rides, street performers and entertainers.
rovost Hall said: “Once again, it was a pleasure to be there to help switch on the lights in Renfrew.
“The event is always well-supported by the local community, who always turn out in their numbers.