Utility usage

Utility usage per square foot, including electricity, heating, and water.

Electricity Usage per Square Foot (KWh)

APS Electricity per Square Foot (KWh)
YearElectricity usage (KWh)
2011–12 6.8
2012–13 6.7
2013–14 6.5
2014–15 6.2

Description of Calculation: Total electricity usage (in kWh), divided by total square footage of all non-vacant buildings.

Importance of Measure: This measures the level of electricity usage. Districts with high usage should investigate ways to decrease usage in order to reduce costs.

Factors that Influence

  • Use of high-efficiency lightbulbs
  • Automated light switches
  • Shutdown policy during winter break
  • Regulation of heating and air conditioning 

Districts in Best Quartile (2014–2015)

  • Albuquerque Public Schools
  • Guilford County School District
  • Milwaukee Public Schools
  • Portland Public Schools
  • Providence Public Schools
  • San Diego Unified School District
  • School District of Philadelphia
  • St. Paul Public Schools 

Heating Fuel Usage per Square Foot (KBTU)

APS Heating Fuel Usage per Square Foot (KBTU)
YearHeating fuel usage (KBTU)
2011–12 4.4
2012–13 66.4
2013–14 66.2
2014–15 0.4

Description of Calculation: Total water usage (in gallons) excluding irrigation, divided by total square footage of all non-vacant buildings.

Importance of Measure: Can be used to evaluate water usage.

Factors that Influence

  • Low-flow toilets and urinals
  • Maintenance of faucet aerators
  • Motion-sensor faucets to reduce vandalism  

Districts in Best Quartile (20142015)

  • Anchorage School District
  • Atlanta Public Schools
  • Cincinnati Public Schools
  • Dallas Independent School District
  • St. Paul Public Schools
  • Wichita Public Schools 

Water (Non-irrigation) Usage per Square Foot (Gal.)

APS Water (Non-irrigation) Usage per Square Foot (Gal.)
YearWater usage (Gal)
2011–12 18.3
2012–13 26.1
2013–14 24.0
2014–15 21.6

Description of Calculation: Total water usage (in gallons) excluding irrigation, divided by total square footage of all non-vacant buildings.

Importance of Measure: Can be used to evaluate water usage.

Factors that Influence

  • Low-flow toilets and urinals
  • Maintenance of faucet aerators
  • Motion-sensor faucets to reduce vandalism 

Districts in Best Quartile (2014–2015)

  • Anchorage School District
  • Atlanta Public Schools
  • Cincinnati Public Schools
  • Dallas Independent School District
  • St. Paul Public Schools
  • Wichita Public Schools 
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