Infinix Solar

Earthing is the cheapest part of a solar system and the one most often skipped. It’s also what protects your inverter in a storm.

Two batteries with the same kWh can last very different lengths of time. Depth of discharge and cycle life explain why.

South-facing at the right angle gets you the most units. Here’s a simple tilt guide for Karachi, Lahore, Islamabad and other cities.

Daytime AC on solar is very doable. Night-time AC on batteries is where budgets get tested. Here’s how to size it.

Every inverter box says MPPT. Here’s what it actually does, and the number on the spec sheet you should check before buying.

Before you buy anything, measure the roof. Here’s roughly how much space 5kW, 10kW and 15kW systems need on a Pakistani house.

Every dealer now says N-type. Here is what that label really changes on a Pakistani roof, and when a PERC panel is still a sensible buy.

A battery adds a big chunk to the cost. Some homes need one on day one. Others can wait. Here is how to tell which one you are.

Since February, exported units pay about Rs10 to 11. So does solar still make sense? We ran the numbers for a normal family home.

Your bijli bill already tells you most of what you need to size a solar system. Five things to check before you talk to any installer.