20kW Solar System Price in Pakistan

What a 20kW solar system can run

In daytime sun our 20.7kW packages run about eight 1.5 ton inverter ACs, along with office lighting, computers, fridges, water pumps and light machinery spread across three phases. Thirty-six panels make about 80 to 92 units (kWh) on a normal sunny day, or roughly 2,500 to 2,800 units a month as a yearly average.

This size suits businesses with heavy daytime use, such as offices, clinics, schools and shops with strong cooling loads. It also suits large homes of 1 to 2 kanal. You need a three-phase connection and an open roof or ground area for 36 panels, roughly 95 square metres plus walking space.

The two inverters share the load, but each is rated 10kW. Large motors should be checked before installation, because their starting current can be several times their running power.

20kW lithium vs 20kW tubular package

• Lithium (20.7kW Commercial Solar System with 19.2kWh Lithium Battery (Three Phase)): four Pylontech US5000 batteries (19.2kWh). About 90% is usable. Expect about 3.5 to 4 hours at a 4kW night load, or about 7 hours at 2kW. No water, light, long cycle life.
• Tubular (20.7kW Commercial Solar System with 16 Tubular Batteries (Three Phase)): sixteen AGS SP-250 batteries (four 48V strings, about 33.6kWh). Using about half gives about 3.5 hours at 4kW, or about 7 hours at 2kW. It needs a dedicated ventilated battery room and a regular water routine.

For a business that cycles the battery every day, lithium's long life and zero maintenance often make sense. Tubular gives similar usable energy for less upfront money but needs replacing as a full set every few years.

Net billing for a 20kW system

The two Deye inverters can export surplus units. Export is allowed only after your DISCO approves a net billing application. The system must be installed by an AEDB-certified installer, and the size must stay within your sanctioned load. Under the NEPRA Prosumer Regulations 2026, imports are billed at the normal tariff and exports are paid a much lower rate. Reports put it at about Rs 8 to 11 per unit; confirm with your DISCO.

For most businesses, the best return comes from using solar during working hours, when the load is highest. Rules change; last checked: October 2026. The net billing guide (Net Metering and Net Billing in Pakistan (2026 Rules)) covers the process and documents.

20kW solar system price in Pakistan: what affects it

The 20kW solar system price covers 36 panels, two Deye inverters and the battery bank. The live price of each version is on its package card. Structure, cabling runs and civil work vary from site to site, so share your roof or ground layout when you order.

For more on business systems, see commercial solar system (Commercial Solar Systems). If your load is smaller, compare the 10kW packages (10kW Solar System).