Powerquote software notation1/7/2023 ![]() Net zero means your solar power system’s annual electricity production equals your annual household electricity consumption. The goal of a solar power system is to achieve net zero annual power consumption. To make the job easier, most electric utility company websites now have a billing history feature that lets you see your monthly power consumption for the previous 12 to 24 months. Compare the information above to the number of kilowatt-hours you are actually using by looking at your electric bills for the past year. Poor insulation and leaky air conditioning ducts could make the situation even worse.Ĭheck your electric bills. If the house described in the example above was built in the 1970s and had a 10 SEER air conditioning system, we would expect the annual electricity consumption to increase to at least 10 kilowatt-hours per square foot per year, just based upon the air conditioning system alone. Older homes with less attic insulation and less efficient air conditioning systems use a lot more electricity than newer homes. A second refrigerator can add between 600 and 1,500 kilowatt-hours a year, depending upon the unit’s size and age. Six 100-watt outdoor floodlights for landscape lighting, turned on for 10 hours each night, will add 2,190 kilowatt-hours a year. A 1-1/2 horsepower swimming pool pump running an average of 6.7 hours a day (4 hours a day from November to February and 8 hours a day the rest of the year) will add 2,733 kilowatt-hours a year. For an all-electric home in North Florida, each person more or less than the three assumed in the example above will change the amount of electricity used for water heating by about 1,376 kilowatt-hours a year. The primary impact of family size is in the amount of electricity used for water heating. What are some major factors that can change annual electricity consumption, compared to the example above? 2,400 square feet × 8 kilowatt-hours = 19,200 kilowatt-hours a year. While every house and family are different, typical electric consumption for a single family house built in Northeast Florida during the past 15 years is 8 to 9 kilowatt-hours per square foot of air conditioned living area per year.įor example, a house built to the current building code with 2,400 square feet of living area, newer energy efficient appliances, a 3 ton 14 SEER/8 HSPF heat pump air conditioner and three occupants should use about 8 kilowatt-hours of electricity per year. How Much Electricity Does Your Family Use? Your credit score should be at least 640. ![]() You should pay enough in federal income taxes to allow you to take full advantage of the 26% federal solar tax credit. This program allows you to get a rooftop solar power system for zero cash down: If you meet the following three financial requirements, you can take advantage of our special low interest rate solar financing. North facing roof areas are generally not acceptable because of shading by the roof structure during the peak sun hours in the winter months. East- and west-facing roof areas produce slightly less electricity-about 12% and 14% less, respectively-on an annual basis than due south-facing panels but are still cost-effective. Roof areas that face within 45° of due south are best. ![]() Naturally, solar panels need to be unshaded during the peak sun hours in the middle of the day, so older neighborhoods with mature oak trees shading rooftops can be a challenge. And almost every house has enough suitable roof area for installation of solar panels. We can install solar panels on every kind of roof, from classic Spanish barrel tile to a standing seam metal roof. We can help you determine how much solar electricity can be produced on your roof. Almost every family can benefit from solar, no matter how large or small their house, or how old.
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