APS Green Choice Programs
Ways to save electricity and reduce your bill




                                           Ene...
Phoenix Home Energy Usage



                        Refrig.   Lighting
                         8%         3%
    Water H...
Cooling is the key


Heating/cooling is about half the average
annual residential bill

It’s the most variable part of the...
Efficient Air Conditioning

How much can High Efficiency AC Save?

 New electric heat pumps and AC units are about 40 to
 ...
APS Duct Test & Repair

Why is it
important to fix
duct leaks?
On average 15%
of cooling is
leaked through
ducts
Compact Fluorescent Lighting



Use ¼ the energy of an incandescent light bulb
Saves 75% on customers lighting costs ($30/...
Solar Energy


 • The energy we get from our sun is the
   result of nuclear fusion reactions.

 • Our sun is made up of h...
Solar Energy

 1. Every second in our sun, 657 million tons of hydrogen are converted
 to 653 million tons of helium throu...
Solar Energy
Solar Energy

               Solar Resources

                 Abundant – 300
               days of sunshine a
          ...
Solar Energy


                                      Approximately ½ of the power in the
                                 ...
Photovoltaic
 Converts Sunlight Directly into Electricity




A photovoltaic cell consists of an unstable compound – usual...
Solar Thermal
 Focusing Solar Energy onto a Heat Transfer Fluid




Parabolic mirrors focus solar energy onto a heat trans...
Solana Solar Generation Station
Solana Solar Generation Station

                              Concentrating
                            Solar Power (CSP)...
APS Solar Incentives

    Incentives for Photovoltaic Installations

Residential Systems:
   Residential:   up to $3.00/wa...
APS Solar Incentives

         Incentives for Solar Water Heaters

Domestic Solar Water Heater

   Heating water can make ...
Res. Solar Installations and HOAs


Senate Bill 1254, Enacted July 2007

Stipulates:
     HOAs may not prohibit the instal...
APS Green Choice Rates

Customers can choose how much of their usage comes
from renewable resources with Green Choice Rate...
What You Can Do…



           Learn about ways
           you can use your
             energy more
             efficien...
What You Can Do…




                        Change to
                   renewable electricity
                     by si...
What You Can Do…




                   Take advantage of APS
                    solar incentives & tax
                 ...
A better tomorrow starts today
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Phoenix Aps Energy Efficiency And Renewables Presentation

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HUD Phoenix Energy Workshop
September 16-17, 2008

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Phoenix Aps Energy Efficiency And Renewables Presentation

  1. 1. APS Green Choice Programs Ways to save electricity and reduce your bill Energy Efficiency, Renewables, and Green Building in Housing Programs September 16, 2008 Rex Stepp APS Customer Information & Programs GREEN CHOICE
  2. 2. Phoenix Home Energy Usage Refrig. Lighting 8% 3% Water Heat 20% Air Conditioning 39% Misc 9% Cook Dryer Space Heat 5% 7% 9%
  3. 3. Cooling is the key Heating/cooling is about half the average annual residential bill It’s the most variable part of the bill It gives us the most potential for savings
  4. 4. Efficient Air Conditioning How much can High Efficiency AC Save? New electric heat pumps and AC units are about 40 to 50% more efficient than units installed 15 years ago Replacing a 7 SEER unit with a 16 SEER unit can reduce the cooling portion of your electric bill up to 50%
  5. 5. APS Duct Test & Repair Why is it important to fix duct leaks? On average 15% of cooling is leaked through ducts
  6. 6. Compact Fluorescent Lighting Use ¼ the energy of an incandescent light bulb Saves 75% on customers lighting costs ($30/bulb) Last up to 10 times longer Environmental benefits Keep your home cooler in summer Wide variety of CFL types afford same/better light
  7. 7. Solar Energy • The energy we get from our sun is the result of nuclear fusion reactions. • Our sun is made up of hydrogen which is gradually being converted into helium. • In fact……
  8. 8. Solar Energy 1. Every second in our sun, 657 million tons of hydrogen are converted to 653 million tons of helium through the process of nuclear fusion. 2. The “missing” 4 million tons of mass are converted to heat and light energy through Einstein’s E=MC2 equation. 3. The 4 million tons of “energy” are radiated out in all directions from the sun into space. 4. The earth collects a mere 4 lb of this energy. 5. But this is enough to support life on earth as we know it. _______________ ©CME - LLC
  9. 9. Solar Energy
  10. 10. Solar Energy Solar Resources Abundant – 300 days of sunshine a year Intermittent but predictable Photovoltaic & Solar Thermal
  11. 11. Solar Energy Approximately ½ of the power in the solar spectrum lies in the visible light area. The remaining ½ is in the infra-red or “heat” area. Power Density (W/m2) 200 600 1,000 1,400 1,800 2,200 2,600 3,000 Wavelength (nm)
  12. 12. Photovoltaic Converts Sunlight Directly into Electricity A photovoltaic cell consists of an unstable compound – usually silicon mixed with other elements – sandwiched between two conductors. Photons of sunlight knock the electrons loose from the silicon atoms, which are then captured by the conductor.
  13. 13. Solar Thermal Focusing Solar Energy onto a Heat Transfer Fluid Parabolic mirrors focus solar energy onto a heat transfer fluid. The fluid is used to heat water, creating steam. The steam is then used to run conventional steam turbines.
  14. 14. Solana Solar Generation Station
  15. 15. Solana Solar Generation Station Concentrating Solar Power (CSP) with Thermal Energy Storage Largest Solar plant in the world if operating today 280 MWs enough for 70,000 homes
  16. 16. APS Solar Incentives Incentives for Photovoltaic Installations Residential Systems: Residential: up to $3.00/watt Off Grid: up to $2.00/watt Contact: renewables@aps.com
  17. 17. APS Solar Incentives Incentives for Solar Water Heaters Domestic Solar Water Heater Heating water can make up to 15% of your home’s energy costs $0.75 per expected first year kWh savings (incentives average around $2,000 but vary based on the system’s rating) Contact: renewables@aps.com
  18. 18. Res. Solar Installations and HOAs Senate Bill 1254, Enacted July 2007 Stipulates: HOAs may not prohibit the installation or use of solar-energy devices (panels and associated devices). HOAs may adopt reasonable rules regarding the placement of a solar device so long as those rules do not: Prevent the installation of the device Impair the functioning of the device Restrict its use Adversely affect its efficiency Requires that courts award reasonable attorney fees and costs to any party who substantially prevails in litigation against an association’s board of directors as it relates to the provisions. Sources: www.DSIREUSE.org, www.azcommerce.com/Energy/
  19. 19. APS Green Choice Rates Customers can choose how much of their usage comes from renewable resources with Green Choice Rates. Energy produced from wind & geothermal resources Two plan options: Purchase green power in 100 kWh blocks @ $1.00 per block Percentage Option – Choose a specific percentage of usage to come from renewable resources (charged $0.01 premium per kWh).
  20. 20. What You Can Do… Learn about ways you can use your energy more efficiently and lower your bill. And how incentives from APS can help!
  21. 21. What You Can Do… Change to renewable electricity by signing up for Green Choice Rates.
  22. 22. What You Can Do… Take advantage of APS solar incentives & tax credits to install solar at your home or business.
  23. 23. A better tomorrow starts today
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