The final Illini Lights Out event of the semester was December 3, 2021 and over 120 volunteers helped out. Volunteers shut off 3,254 light bulbs and saved 5613 kWh of energy, 3.98 metric tons of CO2, and $472 in energy costs. Thanks so much to all of the volunteers who made this possible, and to all of the volunteers who have helped at Illini Lights Out this semester!