The Sumner School District, located between Tacoma and Mount Rainier, has been upgrading their facilities to be more energy efficient. Since 2009, Jay Donnaway of Sound Environmental Consulting has been employed as a Resource Conservation Manager (RCM) by the district plus a few other public entities. To lower the cost of frequent lamp replacement in the parking lot lighting, and also to save energy, Donnaway chose LED lighting to replace the existing metal halide (MH) lighting.
Read the full report: http://www.bpa.gov/EE/Sectors/Commercial/Documents/sumnerschooldist_short_casestudy.pdf