DENVER (CBS4) – This year’s Solar Decathlon was cut a little bit short due to lack of sunshine and a lot of snow.

The competition, which is open to the public, draws college students from around the U.S. and Europe to show off full-size homes they’ve built themselves.

(credit: CBS)

READ MORE: Guilty Of Murder: Jury Reaches Verdict In Devon Erickson Trial

The homes are judged on 10 criteria, including being solar powered and energy efficient.

READ MORE: FAA Orders Nationwide Ground Stoppage For Southwest Airlines, Numerous Denver Flights Affected By Reservation System Outage

Organizers announced the competition would close on Monday. The homes will be back open for tours on Thursday through the final weekend.

Sen. Michael Bennet stopped by last Friday.

MORE NEWS: Will The Ford Maverick Be A Game-Changer In The Auto Industry?

A student answers questions posed by Sen. Michael Bennet. (Credit: CBS)

The first solar decathlon started in Washington D.C. in 2002.