FMXcellence Update: Gilbert Public Schools Energy Management Plan Presented by Stan Peterson Director of Operations Gilbert Public Schools
Gilbert Public Schools 4.8 million square feet 45 different sites Over 40,000 customers per day Open 6:00 am 10:00 pm daily Open most weekends at many of our sites
Ensure exemplary education that inspires excellence and success within every learner. With every decision we make as we try to save energy we weigh the effects of the actions against our ultimate goal of providing an environment that will produce excellence and success with our learners.
Gilbert Public Schools Energy Plan Facing a loss of over $2.5 million Energy Task Force established in 2006/07 Review current practices & propose ideas for saving energy Test site Group meetings Energy conservation plan implemented in 2007/08
Low Hanging Fruit Maintain heating & cooling at reasonable temperatures Set back temperatures when the buildings are unoccupied Change air filters on a set schedule Turn off lights when the rooms are not in use Reduce corridor lighting and increase temperatures
Low Hanging Fruit Turn off computers and televisions at the end of the day Turn off office equipment at the end of the day Reduce the number of personal appliances in the classrooms
Results of Low Hanging Fruit The 1 st year The District square footage grew by 2.9%. Total energy used decreased by 11.65%.
Replaced T12 lamps and less efficient ballasts at two high schools. Bond funds and a grant from the Arizona School Facilities Board Rebates from companies Incentives from local suppliers
Replaced rooftop air-cooled chillers with water-cooled chillers in a central plant. Upgraded outdated energy management system Bond funds The first two months of the school year there was a decrease of 795,000 kwh used compared to the same two months the previous year
FMXcellence Recognition Program March 2010 District increased in size by 3.9% kwh per square foot decreased by 13%
Service Agreement/Guaranteed Savings Lighting upgrades Improvements to air conditioning and heating systems Addition and improvements to energy management system Installed lighting sensors Occupancy sensors Motor controls (VFD)
Results Year Sq. Feet kwh Usage kwh Per Sq. Ft. Change Cost per Sq. Ft. Change 2006/07 4,407,849 81,030,817 18.38 - $1.465-2013/14 4,832,852 54,650,514 11.31-38.50% $1.252-15.50% Estimate of Cost Without Energy Conservation Program (current square feet X electrical usage per square foot in FY 07) X current electrical rates = $9,593,405
Retrocommissioning A process that seeks to improve how building equipment and systems function. Resolves problems that occurred during design or construction, or problems that developed throughout the building s life. The goal is to enhance overall building performance.
Assess, Adjust and Communicate Have A Plan Energy Task Force, Department Manager and Energy Supervisor, etc. Use resources available to get needed information Find out what similar organizations are doing Visit web sites (Department of Energy) Trade magazines Workshops, seminars, training sessions, etc.
Assess, Adjust and Communicate Communicate the plan Upper management to truly be successful we need their support! Our customers Other interested parties Consider a test site for your energy management program. A successful test helps to sell the plan.
Assess, Adjust and Communicate Implement the plan Make adjustments as needed Tweak temperatures as needed Change some of the operational hours Don t be surprised, not everyone will jump on the energy band wagon Communicate Administration meetings Monthly reports Etc.
Assess, Adjust and Communicate Remember the low hanging fruit Don t under estimate the savings that can be made with little or no financial investment. Changing human behavior Setting controls Temperatures Hours of operation
Assess, Adjust and Communicate Get help with money Rebates Incentives Grants Low interest loans
Assess, Adjust and Communicate Guaranteed Energy Savings Programs What equipment will be replaced/added Is it what you want What will be the M&O impact in the future What will the savings be and how will it be measured Consult someone with a good financial understanding Make sure someone in the know reads the contract!
Assess, Adjust and Communicate Keep the program alive Don t rest on your laurels don t be so satisfied with your achievements that you don t make any effort to improve Continue to look for ways to improve Returning to old habits Keep looking for new ideas The equipment that you buy Communicate People forget, lose interest Remember, our clients keep changing!
Assess, Adjust and Communicate Don t under estimate the capabilities of inhouse staff Office staff, teachers, etc. Maintenance technicians
Assess, Adjust and Communicate Having an energy management program becomes a way of life Our attitudes changed and started doing it because it was the right thing to do Thinking about saving energy becomes automatic You start to see more areas to improve Not doing your part becomes the unacceptable way to do things
Questions? STAN PETERSON ALBERT DUTCHOVER DIRECTOR OF OPERATIONS ENERGY/PHYSICAL PLANT SUPERVISOR GILBERT PUBLIC SCHOOLS GILBERT, AZ