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Clear, honest, Bangladesh-specific solar knowledge — from how systems are designed and sized to how savings, net metering, and maintenance really work. Learn first, then decide with confidence.
Start Here
If you read nothing else, read these. Together they take you from “should I?” to “what exactly do I need?”
Why a solar system is engineered, not just bought — and what “design-first” actually means for your result.
Read the guide →How the right capacity is calculated from your real load, roof area, and goals — not from a price list.
Read the guide →How return on investment is calculated honestly, with the assumptions you can check yourself.
Read the guide →Straight answers to the questions customers ask most, before and after going solar.
Read the FAQ →Our Approach
Most solar regret comes from buying before understanding. This Knowledge Center exists so you can ask better questions, compare offers properly, and recognise a well-engineered system when you see one. We would rather you decide slowly and correctly than quickly and blindly.
Browse by Topic
Nine topic areas covering the full journey — from first idea to long-term performance.
How solar works, what a complete system includes, and the core terms you will meet.
Explore →Load study, roof assessment, layout, protection, and why each step matters.
Explore →The three system types, what each does, and which fits your situation.
Explore →What drives cost, how savings accumulate, and how payback is estimated.
Explore →What safe installation looks like — protection, earthing, and standards.
Explore →Panels, inverters, batteries, and protection — how the parts fit together.
Explore →A Simple Path
Bill savings, backup, or both? Your goal shapes everything.
On-grid, hybrid, or off-grid — know the trade-offs.
Match capacity to your real load and roof.
Estimate payback with assumptions you can verify.
Safe install, documentation, and long-term maintenance.
More Resources
Reference material, checklists, and documents you can use while planning your system.
Open the library →A breakdown of the core components and what to look for in each.
Browse technology →See how the principles in these guides translate into real engineered systems.
View projects →Why Trust This Knowledge
Written from how FSP actually designs, installs, and maintains systems.
Savings and payback are presented as estimates, with the assumptions shown.
Grounded in Bangladesh tariffs, net metering, and grid reality.
Updated as standards, technology, and policy evolve.
Ask our engineers directly. Whether you are just exploring or ready to design a system, we are happy to help you understand your options clearly.