Solar Energy Foundations

Most roofs in Bangladesh can carry solar panels just fine. The ones that can’t usually fail for one of two pretty ordinary reasons — the roof is older than anyone wants to admit, or there’s a water tank, dish antenna, and staircase cover eating up half the usable space. It’s rarely the dramatic thing people […]

There’s a specific kind of sinking feeling you get when a rooftop solar system in Dhaka is producing 18% less than what was promised on paper, and the client is standing there with the PVsyst report you handed them six months ago. Somewhere between the design table and the roof, a water tank, a neighbour’s

If you’ve ever stood on a tin-roof rooftop in Savar or Cumilla with an electrician arguing over whether 4mm or 6mm cable is “enough” for your panels, you already know the real problem — everyone has an opinion, and almost nobody shows you the math. So here’s the number first, then we’ll get into why

You’re staring at a solar quote from a vendor in Dhaka or Chattogram, and something looks off. Your panels add up to 6kW, but the inverter they’ve recommended is only 5kW. Is that a typo? Did they downgrade you to save money? Or is this actually how it’s supposed to work? If you’ve been down

If you’ve ever sat through a two-hour load shedding stretch in Dhaka watching your IPS beep its low-battery warning, you already know why battery bank sizing matters. Get it wrong on the small side and you’re back in the dark before the grid comes back. Get it wrong on the big side and you’ve spent

If you’ve ever sat through a two-hour load shedding stretch in Mirpur or watched your inverter battery die halfway through a Rajshahi summer night, you already know why this matters. Most people who go looking for a solar or backup system in Bangladesh don’t start with panels. They start with frustration. And the very first

One of the most common mistakes people make when buying solar in Bangladesh is choosing the system size before calculating how much electricity they actually use. Some people install too many panels and spend more money than necessary. Others install a system that is too small and later discover that it cannot cover enough of

You have just invested several lakh taka in a solar system for your home or business. The panels are installed on your roof, the inverter is connected, everything is working—and then an important question comes to mind: What happens if a storm, fire, theft or another unexpected event damages my solar system? Will insurance pay

You receive a solar quotation for: ৳6,00,000 Looks simple enough. The panels are listed. The inverter is listed. Installation is included. You think: “Great. ৳6 lakh is my total solar cost.” Not always. A solar quotation can show the main equipment while leaving several additional costs outside the headline price. You may later discover that

If you got a solar quote last year and then talked to a neighbor who installed panels back in 2015, you probably noticed something strange. Their old system cost more than double what yours would, for less power. That’s not a fluke, and it’s not a sales pitch. Solar panel prices have dropped roughly 90%