What size solar system do you actually need?
A 60-second sizing for Lahore homes and businesses. Enter your bill, pick your property type, and we'll estimate system size, savings, cost and payback — calibrated against real BrightArc installs.
Family Home (5 kW)
Most popular — 70-80% bill cover for a typical Lahore home.
- Panels
- 7 × Jinko Tiger Neo 580W bifacial
- Inverter
- 5 kW hybrid — Huawei SUN2000 · Solis S6 · Growatt
- Battery (optional)
- 5 kWh LFP — Pylontech UF5000 · Dyness DL5.0
- Roof needed
- ~ 175 sq ft
Send these results to BrightArc on WhatsApp — we'll respond with locked-in pricing in a few hours.
How we size your system.
Lahore receives an average of 5.4 peak-sun-hours per day (NASA POWER 10-year average for 31.5°N 74.3°E). We apply a 78% system-derate factor to account for inverter conversion losses, panel temperature in 45°C summers, dust accumulation between cleanings, and cable losses.
The recommended kW size targets ~90% bill coverage. We use 2026 LESCO tariff bands — PKR 55–75/kWh for residential, PKR 50–68/kWh for commercial — and round up to the nearest 0.5 kW so the system actually fits a standard inverter.
Installed cost ranges (PKR 165k–235k per kW) are pulled from BrightArc's actual recent quotes across panel brand mix (Jinko, LONGi, Canadian, JA), inverter choice (Huawei, Solis, Growatt), and whether net-metering filing and a battery are bundled.
The calculator is honest, not optimistic. Your WhatsApp quote will tighten the numbers further with your actual roof and load.
Common questions.
How accurate is this solar calculator for Lahore?
Within ±10% for typical loads. We use Lahore's actual peak-sun-hours (5.4 / day, 10-year NASA POWER average), a 78% system-derate factor, and 2026 LESCO tariff ranges. Calibrated against 240+ BrightArc installs in DHA, Bahria, Gulberg, Johar Town, Model Town and Sundar Industrial Estate.
What's the cheapest residential solar system in Lahore?
A 3 kW grid-tied system without battery starts around PKR 500,000 installed — but only suits very small homes. The most popular tier is 5 kW (PKR 850k–1.2M) which covers a typical Lahore home's daytime load and a 5 kWh LFP battery for backup.
Does the cost include LESCO net-metering?
Yes — BrightArc files your LESCO net-metering application, the single-line diagram, and follows up at the distribution office at no extra cost. Approval typically takes 4–6 weeks.
Why does the calculator show a range instead of a single price?
Real pricing depends on USD-PKR exchange rate (panels and inverters are imported), exact roof access, mounting structure type, and battery brand choice. The range you see is calibrated to BrightArc's actual customer quotes — your final WhatsApp quote will narrow it down.
What's a realistic payback period for Lahore solar in 2026?
Most BrightArc residential customers see payback in 4–6 years at current tariffs. Commercial installations typically pay back faster (3–5 years) because of higher daytime consumption. After payback you get 20+ years of essentially free electricity from the same panels.