Residents in the Princeton Public Utilities service territory can compete in the PPU’s residential Christmas lighting contest, which has four prizes. Grand prize is $125, second place is $100, third place is $75, and there is also a $75 prize for best use of LED lights. The prize money will be in the form of a gift certificate to the winner’s Princeton business of choice. Deadline to register is 3:30 p.m. Dec. 13; registration forms are available at the Public Utilities Commission and City Hall offices. Judging will be conducted 5-8 p.m. Dec. 16-18. Entrants are asked to have their decorative lights on during all of those evenings. Winners will be notified by Dec. 23.