O'Neal Residence

421 Cantwell Court, Madison
Year-Round Tour Site - Call Ahead

4.4 kW total photovoltaic system size - roof mounted
Yearly energy production is about 4,900 kWh.

• 2.56 kW house photovoltaic system
  Sharp 142 Watt and Sharp 72 Watt triangular modules
  Sharp Sunvista 3500 inverter

• 1.84 kW garage photovoltaic system
  Sharp 230 Watt modules
  Enphase M190 inverters

Solar domestic water heating for house
Yearly energy production is about 70 therms
32 sq. ft. collector with 50 gallons storage
Pressurized glycol system

House is well insulated and air-sealed, resulting in MG&E actually paying the owner each year after natural gas and electrical costs are reconciled.

Rear Dormer

Rooftop View