Title: Lets Get Energized
1Lets Get Energized
- Saving Energy At
- School Sites
2Definitions of Energy
- Einsteins E MC2
- Science texts - Ability to do work
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3Electrical Power Generating Plant
- Fossil fuels are burned to heat water.
- The steam turns a turbine which creates the flow
of electrons. - Cool water is used to condense the steam (60 to
70 lost energy). - Next...
4Electrical Terms
- The electrical pressure Volts (V)
- The flow of the electrons Amperage (amps)
- The work produced Watts
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5 What are the Watts
- To calculate the watts multiply the amps by the
voltage. - Watts Volts x Amps
- An electric pencil sharpener uses 2.4 amps. What
are the watts? - Average voltage in United States is 120
- 2.4 amps x 120 volts 288 Watts
- Next...
6Computer UL Label
7Laser Printer UL Label
8Microwave UL Label
9Electric Pencil Sharpener UL Label
10Metrically Correct
- To convert Watts to Kilowatts -
- Divide by 1000
- 1200 Watts ? kilowatts
- 1200 Watts 1000 12 kilowatts
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11Time and Energy
- Electrical energy consumption is measured using
units of time called kilowatt-hours (kwh). - To calculate kwh multiply the wattage by hours.
- Power companies bill by charging so many cents
per kilowatt-hour. - More later...
12Environmental Impacts of Electrical Power
- Land destruction from fuel extraction
- Pollution or hazardous waste products
- Thermal pollution from waste heat
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13Annual Atmospheric Emissions From kwh of one Lee
County Elementary School
- Sulphur Dioxide 11,855 lbs.
- Oxides of Nitrogen 14,644 lbs.
- Particulate matter 465 lbs.
- Carbon Dioxide 19,525,081 lbs.
- Volatile Organic
- Compounds 697 lbs.
- Water Consumption 8,716,554 gallons
- So What?
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16Energy Consumption in United States
- 5 of worlds population
- 30 of worlds energy
- 16 million barrels of oil daily
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17Years of Recoverable Reserves Remaining in the
United States
- Crude Oil 23 years
- Natural Gas 68 years
- Uranium 364 years
- Coal 7,007 years
- Renewable not depletable
- We all live on an island...
- Next...
18Lee County School DistrictUtility Costs
Propane 103,097 gal 66,108.90 Water
Sewer 10,700,723 kgal 1,294,967.30 Electric 112
,677,294 kwh 7,688,321.00 Next...
19School District Energy Totals
- Total Dollars per year
- 7.69 million
- Total kwh per year
- 113 million
- Next...
20Show Me the Watts...
21Lee County School District Energy Consumption
10
30
60
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23Steps to Reducing Energy
- Review your past energy use
- Audit your current energy use
- Find opportunities for reductions
- Gather and share ideas
- Commit and implement
- Monitor and reward success
- Break
24Steps to Reducing Energy
- Review your past energy use
- Audit your current energy use
- Next
25Types of Audits
- Heating, Ventilation, Air Conditioning (HVAC)
- Lighting
- Equipment and Machines
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26Divide and Conquer
- Studies show that including support staff
increases chance of success by a factor 100. - Studies show that including students leads to
increased test scores.
27State Department of EducationGoal 3 Standards
- Information Managers
- Effective Communicators
- Numeric Problem Solvers
- Creative and Critical Thinkers
- Responsible Workers
- Resource Managers
- Systems Managers
- Cooperative Workers
- Effective Leaders
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28Reducing Energy used for HVAC Systems
- On average, for every degree you lower your
thermostat you raise cooling costs by 3.
Conversely, if you raise the thermostat one
degree you can reduce cooling costs by 3. - Next...
29Reducing Energy Used for Lighting
- Contrary to common belief, letting a light burn
rather than turning it off never saves electrical
energy. When electric lighting is not required,
switch it off. - Next...
30Reducing Energy Used for Equipment and Machines
- theres basically only one way to save energy
used by your present office machines turn them
off when not needed. - Next...
31Steps to Reducing Energy
- Review your past energy use
- Audit your current energy use
- Find opportunities for reductions
- Gather and share ideas
- Commit and implement
- Monitor and reward success
- Next
32Dont Hesitate to Call, Email or Surf our Web Site
- Cindy Bear,
- Resource Teacher
- Carl Melamet,
- Resource Teacher
- Environmental Education
- 275-3033
- www.lee.k12.fl.us/dept/ee
- Thats all folks...