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For most homes, the real problem is not just the electricity bill — it is load-shedding. That is why FSP recommends hybrid solar systems with battery backup for residential clients, unless you specifically need an on-grid system.
System Sizes
These are general ranges — your actual system size depends on your real load list.
Lights, fans, TV, router — essential backup for daily life during outages.
Essentials plus refrigerator and more rooms — the most common family choice.
Larger homes, partial AC or motor support — subject to proper hybrid design.
Design Inputs
A correct design starts with knowing exactly which appliances you want to run during backup — how many lights, fans, refrigerator, TV, pump, etc. — and for how many hours.
Battery capacity is calculated from your backup load × backup hours, plus charging loss, inverter loss, and a cloudy-weather safety margin. Undersized batteries fail early — FSP sizes them correctly from day one.
Roughly 65–80 sq. ft. of shadow-free roof per kW of panels is needed. We also plan for your future load growth so the system does not become obsolete in two years.
How We Work
Tell us what you want to run during backup, and for how many hours.
We measure your roof, check shading and structure, and document everything.
Correct panel, inverter, and battery sizing with a transparent, itemized quote.
Professional installation with protection devices and full commissioning checks.
Usage guidance, documentation, and long-term service support.
Project Gallery
Common Questions
Send us your load list, or book a site visit — our engineers will handle the rest.