How much battery storage is needed?
That depends on energy use, peak loads, solar availability and desired autonomy. A site-specific assessment is needed.
SOLAR SYSTEM GUIDE
Off-grid solar
Plan a stand-alone system around real loads and stored energy.
HOW IT WORKS
A system built from connected parts.
An off-grid system is designed without relying on a utility connection. Array, inverter and battery sizing depend on the property’s loads, solar availability and desired autonomy.
An off-grid design combines solar generation, an inverter and battery storage without relying on a utility connection. Sizing begins with the loads and how much autonomy is needed.
ILLUSTRATIVE SYSTEM FLOW
Solar panelsGenerate DC power
Off-grid inverterConverts and manages power
Home / loadsUses available power
No utility gridDisconnected · independent system
Battery storageRequired for stored energy
Illustrative only. Actual equipment, interconnection and backup depend on system design.
WHAT TO CONSIDER
Start with the details that matter.
01Load profile and inverter capacity shape the system design.
02Battery capacity and solar availability affect autonomy.
03Panel count alone cannot determine backup hours or days.
COMMON QUESTIONS
Does off-grid mean unlimited power?
No. Generation, storage and inverter capacity are finite and must be sized for the intended loads.
A PRACTICAL NEXT STEP
Explore a off-grid solar configuration.
Start with an indicative configuration, then talk with the Repeat Solar team about your site.