Grand prize, 2014
Winner: Energy efficiency engineer Danielle Dahan
The idea: A training program to address a shortage of qualified people to maintain green buildings’ sophisticated heating, ventilation, and air conditioning systems.
The impact: Eliminating human error in operating energy management systems could save an estimated 111 million metric tons of CO2 in the United States each year.
Honorable mention, 2014
Winner: Job Taminiau, Gordon Schweitzer, Kathleen Saul, and Sardar Mohazzam, a group from the United States, Netherlands, and Pakistan
The idea: A plan to install community-funded solar projects on unused federal rooftop space.
The impact: A decrease of over 9 million tons of CO2 emissions per year in annual electric power emissions.
Energy Supply judges’ choice, 2014
Winner: Matt Duesterberg
The idea: A system that sends messages to users’ phones, alerting them when high demand is causing spikes in electricity prices and allowing them to earn money by cutting their power use.
The impact: If the system can reach 200,000 users, up to 40 million tons of CO2 emissions could be reduced per year.