Niraj Unplugged

In the remote hills and valleys of Nepal, where the national grid still struggles to reach, solar power has emerged as a lifeline. But not all solar systems are created equal. While installing panels and batteries is a good start, maximizing the power output from those systems is what truly makes the difference—especially in a country with such diverse terrain and weather conditions. That’s where MPPT—Maximum Power Point Tracking—steps in as a game-changing technology. What is MPPT and Why Should We Care? MPPT stands for Maximum Power Point Tracking , and it's a technique used in solar charge controllers to optimize the power extracted from photovoltaic (PV) panels. It continuously tracks the panel’s voltage and current to find the “sweet spot”—the point where the power output is at its maximum. While standard PWM (Pulse Width Modulation) controllers are cheaper, they fall short in terms of efficiency—especially when environmental conditions aren’t perfect. In contrast, MPPT con...

  Nepal, a country blessed with abundant natural resources, is witnessing the early stages of a renewable energy revolution. While hydropower has long been the backbone of the national energy supply, solar energy is emerging as a clean, accessible, and highly practical alternative — especially in remote and off-grid areas. In this blog post, we explore the potential, advantages, disadvantages, payback periods, and government policies related to solar energy in Nepal. Why Focus on Renewable Energy? Nepal is heavily dependent on imported fossil fuels and vulnerable to power shortages during dry seasons. The need for a sustainable, affordable, and locally available energy source has never been more pressing. Growing electricity demand Limited hydropower output during dry months Rising climate concerns Solar Energy Potential in Nepal Nepal has excellent solar irradiance, making it ideal for solar energy production. Average sunshine hours: 6.5 hours/day Solar radiation: 4.5–5.5 kWh/m²/d...