The eighth edition of the festival will celebrate a new theme – ‘the science of light’, external.
The installations are currently still being put in place but they will include Face Value and the Invisible Wind Factory, which incorporates robotics.
Another installation, Dandelion, is inspired by the dandelion flower and its wind-blown petals, which some cultures revere for their medicinal qualities.
Record crowds attended last year and brought in £18.9 million to the local economy, the council said.
