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District Energy Initiatives 1/23/2012 www.swanseaschools.org.

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Presentation on theme: "District Energy Initiatives 1/23/2012 www.swanseaschools.org."— Presentation transcript:

1 District Energy Initiatives 1/23/2012

2 National Grid – New England Gas Whole Building Assessment (WBA) 1.)Assess energy performance Building envelope Electrical systems HVAC systems Lighting systems & equipment Operation & Maintenance procedures 2.) Identify opportunities for improvement Low & No Cost Opportunities (1-3 years) Capital replacement recommendations (5-10 years) 3.) Action Plans recommended Incentive programs

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5 Low Cost – 2.2 years or less payback period  Education & awareness *  Computer power management *  Vending machine controls  Air sealing/weatherization (doors & windows)  Freezers – National Resource Management (compressors, fans, evaporation controls, temperature controls, defrost controls, walk-in-curtains) *  Demand controller HVAC – Gymnasium *  Compressed air system (pneumatic) assessment  Destratification fans – Gymnasium & Auditorium  Operation & Maintenance practices * * In-process or already completed

6 Low Cost – 1.4 years or less payback period  Education & awareness *  Computer power management *  Vending machine controls  Freezers – National Resource Management (compressors, fans, evaporation controls, temperature controls, defrost controls, walk-in-curtains) *  Air sealing (classroom exhaust)  Programmable thermostats  Timer on exhaust fans  Insulate hot water pipes (Boiler Room)  Operation & Maintenance practices *   * In-process or already completed

7 Joseph Case High School  Replacement of existing electric motors to more efficient motors  Variable speed drives (electric motors)  Demand controlled HVAC systems – Gymnasium & Auditorium *  Compressed air pneumatic system (temperature control) by electronic system Joseph Case Junior High School  Boiler replacement  Replace hot water pump motors  Replace/refurbish kitchen make-up air unit (MAU)  Electronic thermostat upgrade * In-process or already completed

8  Luther School – Boiler  Gardner School – Boiler (New Section); *Current Situation  Hoyle School – Pneumatic system, air conditioning units  Administration Building – Light replacement/LED’s (80% efficiency/50,000 hrs)  Joseph Case Junior High School  Boiler control panel system  Circulator pumps  Window replacements *  Joseph Case High School  Boiler control system*  Gymnasium HVAC System*  Boiler Damper System* * In-process or already completed

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11 Commercial Installation of Double Pane, Low E Glass, Project out, Aluminum Frame 84 Remaining windows as of PhaseSchool YearWindow Replacement I II III IV Total to Date194

12 SchoolTotal CostNational Grid Incentive Cost to SwanseaAnnual Savings Brown Elementary $40,375.00$19,818.00$20,557.00$ 8, Gardner Elementary $36,318.00$16,990.00$19,328.00$10, Hoyle Elementary $65,527.00$39,036.00$26,491.00$13, Luther Elementary $45,935.00$21,132.00$24,803.00$10, Joseph Case Junior High School $111,851.00$59,748.00$52,103.00$29, Joseph Case High School $315,748.00$64,650.00$177,272.00$45, Totals$615,754.00$221,374.00$320,554.00$117, Reduction of Carbon footprint = 473 metric tons/year

13  Average payback period 2 years or less, except High School 3.9 years  Motion Sensors  Phillips advantage T8 (30,000 hrs.) free lamps 3 years  Electronic ballasts (warranty 5 years/installed)  LED’s High School Auditorium (50,000 hrs./80% + efficiency) w/exception of large stage lights

14  Review of Energy Efficiency Measures (WBA) Joseph Case Junior High School & Joseph Case High School  Assess other buildings in district for EEM’s  Identify District’s priorities, goals & resources  Determine schedule for implementation of EEM’s  Implement no/low cost measures that do not require further study using:  National Grid Direct Install Program  Internal facilities personnel  Private vendors/procurement  Determine objectives and level of interest to proceed with more detailed research and engineering  Some recommendations may require further investigation as noted in report  Contact National Grid & New England Gas to begin detail study for specific measures  Implement selected measures after their scope of work, costs and energy savings have been evaluated and determined.

15 Technology in the District

16  Each school has one or more physical computer labs  The Lab setting is used for class learning or individual project/research creation  Interactive whiteboards both mobile and mounted  Digital cameras are available for project based use  Wireless access points are part of the mobile labs and/or iPad carts.  iPad carts with a minimum of 30 iPads are available at each school in the district  Macbook carts are available at both secondary schools.  iPod carts are available at each of the elementary schools  Document cameras are available throughout the District  Interactive Projectors are used in classrooms with whiteboards

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