Kane Family Residence
General Energy Use, Strategies and Systems
Energy Use:
Net positive – 3,146 kWh (Oct 12, 2011-Oct 12, 2012)
Warm in winter, cool in summer (without air conditioning)
Humidity level pretty constant around 35-40% RH
Quiet
Very little backup heat required, portable electric baseboard unit used very infrequently
328 gallon solar tank water rose 62 degrees in one day (March 5, 2011 – 64 degrees to 126 degrees)
| Zero Net Energy Definition Used | Source Energy Use |
|---|
Monthly Energy Data and Utilities
Energy Data Type:
Verified
Electric Utility:
NSTAR
Datasets and utility bills:
| Attachment | Size |
|---|---|
 kane_elec_consumption_data.txt | 211 bytes |
| kane_net_metering_data.txt | 509 bytes |
| kane_pv_prod_data.txt | 417 bytes |
 kane_utility_bills.pdf | 1.33 MB |
Datasets and utility bills sources and reliability:
utility bill data
Kane Family Residence
Renewables and Energy Balance
Renewable Energy Sources:
Renewable energy is generated within the building footprint (e.g. solar PV on the roof)
| Renewable Energy System Description & Details |
|---|
| 5.88 kW, 28 Evergreen Solar ESA210 Fa-3 modules Estimated annual production 6,500 kWh, actual annual production 7,399 kWh SolectriaPVI5300 grid tied inverter Revenue grade meter TTi Flat Jack roof mounts Unirac SolarMount rails Installation by Alteris - now Real Goods Solar |
| Annual renewable energy generated | 7,074 kWh |
|---|---|
| Annual Renewable Energy Generated Data Type | Measured |
| Renewable Energy System Type(s) | Source of Annual Production Data |
|---|---|
| Photovoltaics | metered data |
Annual Energy Import/Export
| Electricity amount (imported from grid) | 3,964 kWh/year |
|---|---|
| Net electricity usage (purchased electricity) | -3,110 kWh/year |
| Electricity amount (credited or exported to grid) | 7,074 kWh/year |