Electricity Generation
How to determine the upfront cost of electrification. (Typical out of pocket cost with all the incentives reduces the cost of a system by almost  50% approximately) about $7/watt for DIY or $9-13.50/watt licensed contractor.

Once there is an analysis completed it is then time to formulate action plan on what level of energy reduction program is required. Insulate, change the lighting, change the time to do tasks off peak, look at the large energy users and decide on alternatives.

Once that is completed look at energy independence. With the dwindling supply of fuels and the staggering increase in costs consider geothermal, wind and PV technology.



Estimating the amount of generation for electricity required:

Step 1 Gather your electric utility bills from the past 12 months.
Step 2 Add together the actual kilowatt-hours (kWh) used for each of the 12 months and divide by 12 to find the average kWh used per month.
Step 3 Divide the average kWh used per month by 30 to find the average kWh used per day. Divide the result by 6.5, which is the average number of peak sun hours in Arizona.
Step 4 Multiply the results by 1.16 to account  for system efficiency losses. The result is the size of the solar power system in kilowatts per hour that will be required to create an energy neutral annual system.

Average daily kWh Divide full sun hrs Multiply by 1.16 KW Estimate size Installed Cost 10$Energy neutral
21   6.5  1.16  4 $38,190.77 


Once the owner determines the desire to conserve energy the next step is to get a detailed proposal to include at least the following:
  • Simple pay back analysis
  • Total life cycle payback
  • Internal rate of return
  • Cash flow analysis
  • Appraisal resale value
Phone: 602 828 4308 • Fax: 480 513 6328
1800-285-7685 MB 11234 • E-mail: Info@AEShop.org

 

Links

Making Cents out of Solar

NREL Calculator

Efficiency incentive for State. Federal and Provider level

Home Evaluation Checklist

Tax Credits


 




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