Indra's Energy+ Household
Net positive energy with day to day transportation for 5 years running
General Energy Use, Strategies and Systems
Energy Use:
All electric home. Natural gas completely disconnected for 5 years now. 2 EV charging stations - 1 level 2, 1 level 1
Energy Strategies:
Increase efficiency thorough reasonable retrofits. Electrify everything by eliminating natural gas appliances. Convert automobiles to EVs. Monitor energy usage for a year. Install net-metered solar system sized to cancel out all the used electricity over the year.
| Zero Net Energy Definition Used | Site Energy Use |
|---|
Monthly Energy Data and Utilities
Energy Data Type:
Verified
Electric Utility:
PG&E
Gas Utility:
NA
Datasets and utility bills:
| Attachment | Size |
|---|---|
 The basic description and results of the retrofit for 5 years. | 1.78 MB |
Datasets and utility bills sources and reliability:
Completely reliable as the bills and usage data used are actual ones from PG&E.
Indra's Energy+ Household
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 |
|---|
| 40, 295 W Canadian solar mono-crystalline modules (CS6X-295M) meted with a Fronius 11.4 KW single phase inverter. The array faces 40% east, 40% west and 20% south. Half of the array is equipped with Tigo optimizers to optimize output. |
| Annual renewable energy generated | 15,500 kWh |
|---|---|
| Annual Renewable Energy Generated Data Type | Measured |
| Power Rating | Renewable Energy System Type(s) | Source of Annual Production Data |
|---|---|---|
| 11,800Watts | Photovoltaics | Metered through remote monitoring and also displayed at the inverter panel. |
Annual Energy Import/Export
| Electricity amount (imported from grid) | 11,000 kWh/year |
|---|---|
| Net electricity usage (purchased electricity) | -1,500 kWh/year |
| Electricity amount (credited or exported to grid) | 12,500 kWh/year |