PerformanceUp to date · Jan 15, 2026
Energy Independence
The degree to which a household meets its electricity needs from on-site generation and storage rather than grid purchases. 100% energy independence = off-grid capability.
Related Terms
Self-Consumption
The percentage of solar electricity that is consumed on-site by the household rather than exported to the grid. Without a battery: typically 25-40%. With a battery: 60-90%.
Off-Grid System
A solar system with battery storage that operates independently from the utility grid, requiring full self-sufficiency.
Net Zero
A building or home that produces as much energy as it consumes on a net annual basis, typically through a combination of efficiency measures and on-site renewable generation (solar).