How will my Solar Photovoltaic system impact my electric bill?
The average home in Massachusetts consumes about 8,000 kilowatt-hours per (kWh) year. You can determine your annual electricity use by looking at your electricity bill and totaling the kWh that you use each month for a year. Typically this information is located on the lower left corner of your electricity bill.
Assuming an average Massachusetts residential consumption is 8,000 kWh/year and a default electricity rate of $0.18 / kWh (including taxes and fees), the following electrical savings may be achieved with a typical PV system under optimal conditions.