General planning information. This guide is not a site design, electrical instruction, tariff notice or financial promise. Confirm site-specific details with qualified professionals.
Your daily pattern matters
A home occupied mostly after sunset has a different load profile from a shop operating in daylight. Collect the times when your major appliances or equipment run and distinguish essential loads from optional ones.
What grid-tied means for backup
Conventional grid-tied inverters disconnect during grid outages as a safety feature. Solar panels alone do not guarantee power during an outage. Backup requires a compatible system and safe electrical isolation.
A battery is a design decision
Battery sizing depends on essential load power, desired backup duration, permitted discharge and inverter compatibility. It adds cost and maintenance considerations. Ask for a documented load calculation and equipment specifications.