Summary of a 5kW solar panel system in San Antonio Texas

City: San_Antonio
State: Texas
Latitude: 29.53° N
Longitude: 98.47° W
Elevation: 242 m
PV System Specifications
DC Rating: 5.0 kW
DC to AC Derate Factor: 0.770
AC Rating: 3.8 kW
Array Type: Fixed Tilt
Array Tilt: 29.5°
Array Azimuth: 180.0°
Energy Specifications
Cost of Electricity: 9.7 ¢/kWh

Results

Month Sunlight Hours/ kwh produced/ (kWh) Energy Value in $
January:     4.20    475   46.08
February:   4.89   495    48.02
March:       5.40   603   58.49
April:         5.46   578   56.07
May:          5.61   608   58.98
June:         5.94   605   58.69
July:          6.50    674   65.38
August:     6.41   669   64.89
September:   5.92   600   58.20
October:     5.63   610   59.17
November:   4.80   517   50.15
December:   4.10   463   44.91
Year          5.41   6899   $669.20

Overall, a 5kW solar system that is installed in a home in San Antonio, Texas is going to produce about $669 of electricity per year with the current electricity costs of about 10 cents per kilo watt hour.  If the prices of electricity increase, the dollar value of the electricity produced will also increase while the rest of the variables stay the same.  If the prices of the electricity for example doubled in price to a homeowner, the amount of electricity in dollars that the solar system would produce annually would double as well.