PlanningUp to date · Jan 15, 2026
Load Profile
A pattern of your electricity usage throughout the day and year. Important for sizing solar and battery systems.
Why It Matters
Your load profile determines optimal system sizing. A home that uses most power in the evening benefits more from batteries, while one that runs AC all day benefits from larger panels.
Real-World Example
A family that works from home has a flat 1.5 kW load all day, while a commuter home peaks at 4 kW from 6-10 PM. These need different solar+battery designs.
Related Tools
Related Terms
Time-of-Use (TOU) Rate
An electricity pricing structure where rates vary by time of day. Peak hours (usually 4-9 PM) have higher rates.
Battery Storage
A system that stores excess solar energy for use when the sun isn't shining, providing backup power during outages.
kWh (Kilowatt-hour)
A unit of energy equal to 1,000 watts used for one hour. This is how utilities measure your electricity usage.