B marktwardowski

Using Real Data to Guide Energy Efficiency at the Simcoe County District School Board

Energy Ma<ers Summit May 28, 2012

School Board Benchmarking Makes the Business Case

Individual School Benchmarking Guides Retrofits

Building Performance Audits Guide LighJng Retrofits

LighJng Retrofit Results • Composite savings in 23 schools with completed lighJng retrofits (Jan 2010 – Dec 2011 vs 2009 baseline)

Projected reducJon 1,019 kW

Building Performance Audits Guide Mechanical Retrofits

Retrofit Results: Bear Creek Secondary

Interval Metering Guides OperaJonal Improvements

Building AutomaJon Trendlogs Guide OperaJonal Improvements

Trillium Woods – Pre-­‐setup Fan OperaJon

Best PracJce Metrics Guide New School Design Design Metrics Building area, sf Target energy use ekWh/sf LighJng -­‐ Classroom W/sf LighJng -­‐ Gym W/sf Wall insulaJon value Roof insulaJon value Boiler capacity MBH/1000sf VenJlaJon system type Total supply air, cfm/sf Fan power density, W/sf HeaJng system type HeaJng pumps power density, W/sf

SCDSB Dra0 Standard 10-­‐12 0.7 0.75-­‐0.9 R-­‐17 R-­‐28 50 VAV 0.65 0.3 PER RAD 0.1

Bradford

Innishore South

Alliston

42,658 < 10 0.6 Tbd >R-­‐17 >R-­‐28 Tbd Tbd Tbd Tbd Tbd Tbd

58,200 <10 0.7 Tbd >R-­‐17 >R-­‐28 Tbd Tbd Tbd Tbd Tbd Tbd

52,100 <10 0.7 Tbd >R-­‐17 >R-­‐28 Tbd Tbd Tbd Tbd Tbd Tbd

Trillium Woods 54,703 <10 0.7 0.61 R-­‐17 R-­‐28 VAV 0.79 0.27 PER RAD 0.18

Target Sefng Drives ConJnuous Improvement

Aiming for most / all schools to be less than 15 ekWh/sf

Thank you!

For more informaJon, please contact:

Mark Twardowski Manager of Building & Environmental Services Simcoe County District School Board 705-­‐734-­‐6363 ext. 11266 MTwardowski@scdsb.on.ca