Afton VA Near Zero Energy Home
Mountain Views and low impact
General Energy Use, Strategies and Systems
Energy Use:
Home uses Passive solar, geothermal HVAC, well insulated walls, Energy star windows and a photovolatic array for energy production.
| Zero Net Energy Definition Used | Site Energy Use |
|---|
Monthly Energy Data and Utilities
Energy Data Type:
Verified
Electric Utility:
Central Virginia Electric Cooperative
Other purchased Fuels:
Propane fire place and gas stove for cooking
Afton VA Near Zero Energy Home
Renewables and Energy Balance
Renewable Energy Sources:
Renewable energy is generated on-site but not on the building (e.g. wind turbine in the parking lot)
| Renewable Energy System Description & Details |
|---|
| 10.26 KW solar array on barn. 36 Suniva 285 watt modules (18 mounted on 8/12 barn roof (34 degrees) and 18 mounted on 4/12 barn shed roof (18.4 degrees) Two SMA sunnyboy 5.0TL-US Inverters |
| Annual renewable energy generated | 14,552 kWh |
|---|---|
| Annual Renewable Energy Generated Data Type | Measured |
| Power Rating | Renewable Energy System Type(s) | Source of Annual Production Data |
|---|---|---|
| 10,260Watts | Photovoltaics | Metered energy from Sunnyboy inverters Base on bidirection electri meter the Net consumption for the home (production - Imported electricity) = ~2617 KWHr (this is estimated to be 90% less than the energy consumption for an equivalent conventional home without the energy efficient design features). |
Annual Energy Import/Export
| Electricity amount (imported from grid) | 11,082 kWh/year |
|---|---|
| Net electricity usage (purchased electricity) | 2,617 kWh/year |
| Electricity amount (credited or exported to grid) | 8,465 kWh/year |