For years, Pakistan has been sold a comforting lie: build more gigawatts, sign more power purchase deals, throw money at new plants, and the lights will stay on. Today, we sit on over 46 GW of installed capacity, paying billions in capacity charges while families endure six to eight hours of daily load-shedding and industry faces peak shortfalls of thousands of megawatts. This is not a generation shortage. It is a transmission and distribution catastrophe. We are paying for plenty and living in darkness.

The real engineering challenge that most solar advocates miss is this: electricity is not just “power”. It comes in two inseparable parts—real power (P) and reactive power (Q). Think of it like water flowing through pipes to your home. Real power (P) is the actual water that does the useful work—lighting your bulb, spinning your fan, running your factory motor.

That is what you pay for on your electricity bill, measured in megawatts. But to keep that water flowing smoothly without the pipes bursting or the pressure collapsing, you also need “pressure” in the system. That pressure is reactive power (Q). It creates the magnetic fields inside motors, transformers, and transmission lines that allow real power to travel long distances without voltage dropping too low.

Without enough Q, voltage sags, equipment trips offline, and even abundant real power becomes useless. Traditional coal, nuclear, and gas plants produce both P and Q naturally as by-products of spinning turbines. Solar panels and wind turbines are excellent at generating real power (P) during daylight hours, but they provide almost none of the reactive power (Q) on their own unless fitted with expensive additional equipment.

Battery storage can help shift some daytime solar to evening peaks and supply limited reactive support, but these systems are prohibitively expensive at the scale Pakistan needs—costing billions upfront with imported technology and materials. Our fiscal constraints make it nearly impossible to deploy nationwide. That is the hidden complexity behind the solar boom.

Panels flood the grid with cheap daytime P, flattening demand and creating the deadly “duck curve”—a steep evening ramp when the sun sets, factories switch on, and air conditioners run at full blast. Suddenly, the grid must deliver massive real power with almost no reactive support, causing voltage instability, transmission bottlenecks, and blackouts.

In Pakistan, this plays out every day. Southern coal, nuclear, and solar plants churn out power, but the north—where most demand........

© The Friday Times