The University became famous on Earth Day 2003 when it became the biggest nongovernmental purchaser of renewable energy credits in the country, signing a 10 year contract for 112,000 megawatts of wind power annually, or 29 percent of the University's energy needs. While Penn has not yet created a sustainability coordinator position, the University Architect informally addresses most sustainability issues. The University has put most of its effort into renewable energy, with other progress in energy conservation and sustainable dining practices.