How Many Units Does an 8kW Solar System Produce Per Day in Pakistan?
An 8kW solar system is the right size for larger homes with 3–4 ACs, or small businesses with significant daytime electrical loads. Here’s exactly how many units it generates per day across Pakistan, month by month.
8kW Solar System — Daily Output by City
| City | Summer (May–Jul) | Autumn (Sep–Nov) | Winter (Dec–Feb) | Annual Average |
|---|---|---|---|---|
| Lahore | 35–44 units/day | 31–38 units/day | 20–25 units/day | 28–35 units/day |
| Karachi | 39–48 units/day | 34–42 units/day | 27–34 units/day | 33–41 units/day |
| Islamabad | 33–41 units/day | 29–36 units/day | 18–22 units/day | 27–33 units/day |
| Faisalabad | 36–44 units/day | 32–39 units/day | 21–26 units/day | 29–36 units/day |
| Multan | 38–47 units/day | 33–41 units/day | 23–28 units/day | 31–38 units/day |
Monthly Generation — 8kW in Lahore
| Month | Output | Bill Saving (Rs 50/unit) |
|---|---|---|
| January | 600–720 units | Rs 30,000–36,000 |
| February | 720–800 units | Rs 36,000–40,000 |
| March | 880–1,000 units | Rs 44,000–50,000 |
| April | 1,000–1,100 units | Rs 50,000–55,000 |
| May | 1,000–1,100 units | Rs 50,000–55,000 |
| June | 900–1,000 units | Rs 45,000–50,000 |
| July | 720–840 units | Rs 36,000–42,000 |
| August | 720–840 units | Rs 36,000–42,000 |
| September | 920–1,000 units | Rs 46,000–50,000 |
| October | 820–920 units | Rs 41,000–46,000 |
| November | 680–760 units | Rs 34,000–38,000 |
| December | 550–640 units | Rs 27,500–32,000 |
| Annual | 9,510–10,720 units | Rs 475,000–536,000 |
Who Needs an 8kW System?
- Monthly electricity bill of Rs 35,000–60,000
- Home with 3 × 1.5-ton ACs running simultaneously
- Large home (5–6 bedrooms) with full household loads
- Small office or clinic with 3+ ACs and equipment
- Home wanting maximum net metering export for bill zero-out
8kW System Cost & ROI
| Type | Cost Range | Monthly Saving | Payback |
|---|---|---|---|
| On-grid 8kW | Rs 640,000–760,000 | Rs 40,000–55,000 | 12–19 months |
| Hybrid 8kW (with battery) | Rs 950,000–1,150,000 | Rs 40,000–55,000 | 18–27 months |
An 8kW on-grid system is one of the best value sizes in Pakistan — the cost-per-kW is lower than 5kW, and the monthly savings of Rs 40,000–55,000 mean payback in just over a year for most Rs 40,000+ bill payers.
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Sources & references
Tariff, net-metering, and policy details on this page draw on the following official sources. Rates change often, so confirm current figures with the relevant authority or a licensed installer before you decide.
- NEPRA — National Electric Power Regulatory Authority: electricity tariffs and the 2026 shift from net metering to net billing.
- AEDB — Alternative Energy Development Board: solar policy, installer standards, and net-metering guidance.
- Your local distribution company (DISCO) — for example LESCO, K-Electric, IESCO, MEPCO, PESCO or QESCO — for area-specific tariffs and the net-metering application process.







