Solar generates power directly on your roof during peak daylight hours, reducing the number of expensive units billed by K-Electric.
Instant Karachi Solar Sizing
Solar Savings & ROI Calculator
Slide your monthly KE bill to discover your recommended solar capacity & potential savings.
Rs 50,000
Quick Presets:
Recommended Capacity
4.5 kW - 6.5 kW
Engineered for DHA Karachi roof exposure & daytime cooling loads.
Est. Monthly Savings
Rs. 42,000 - Rs. 58,000
Locked Result
Est. Installed Cost
Rs. 1.2M - Rs. 1.5M
Locked Result
Payback Horizon
2.8 - 3.4 Years
Locked Result
Want to see the exact monthly savings, installed cost range, and payback years for your property?
Rs. 25k KE Bill2.8 - 3.2 Years ROI
5 kW Hybrid System
Ideal for small family homes running 1-2 inverter ACs and daytime home appliances.
Est. Monthly Savings:Rs. 16,000 - 22,000 / mo
Investment Range:Rs. 650k - 850k
Rs. 50k KE Bill2.7 - 3.1 Years ROI
10 kW Hybrid System
Most popular choice for 240-500 sq yd Karachi bungalows with 3-4 inverter ACs and water pump.
Est. Monthly Savings:Rs. 38,000 - 46,000 / mo
Investment Range:Rs. 1.2M - 1.5M
Rs. 100k KE Bill2.5 - 2.9 Years ROI
15-20 kW Hybrid System
High-capacity setup for luxury residences, joint family estates, and commercial clinics.
Est. Monthly Savings:Rs. 75,000 - 90,000 / mo
Investment Range:Rs. 1.9M - 2.4M
How does solar reduce high KE slab bills?
Solar directly powers daytime air conditioners, fans, and appliances, preventing your KE meter from accumulating high peak-rate units.
Will solar run the house during load shedding?
A standard on-grid system will not. If outage backup matters, plan around a hybrid or battery-backed setup.
How do hybrid batteries help during evening outages?
Hybrid lithium batteries store surplus solar energy during peak sun hours and automatically switch on during grid power cuts.
No. A standard on-grid system shuts down when the grid is down for safety reasons. If daytime backup matters, you need a hybrid system with batteries.
Choose on-grid when the main goal is pure daytime bill reduction. Choose hybrid when outage coverage matters, as lithium batteries provide backup power during load shedding.
You can still use the calculator. It estimates units from the bill so you get a working system-size and savings range, and the output gets tighter when you add the actual monthly units.
Yes. Three-phase and time-of-use accounts can behave differently from a standard residential bill, so the calculator trims the assumptions to stay conservative.
A practical planning range is around 70 to 90 square feet per kW before detailed design. Parapets, shading, walkways, and roof shape can increase the real requirement.
Usually not. Batteries help with backup and outage comfort, but they often lengthen payback if your only goal is lowering the KE bill.
Free Solar Consultation
Tell us about your property.
Our Karachi solar engineering team will prepare an exact rooftop capacity design and quotation.