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Rooftop Solar Sizing Tool with Hardware Data Logger and Payback Study

Approx. component budget: Rs. 3,000 - 6,000

Objective

Help a household choose a system size and test how close the estimate is to real output.

What you will build

A small web tool that sizes a rooftop system from a home's bills and roof area, plus a data logger that measures actual panel output to compare with the estimate.

Results you can expect

• Estimated vs measured generation over 2 weeks
• Percentage error
• Payback period for 3 tariffs
• And a sensitivity study for shading and tilt

What you will learn

System sizing, tariff and net-metering basics, and comparing models to field data.

Tools and notes

Python or JavaScript, PVGIS data, solar panel with INA219 and ESP32 logger, Excel. State clearly that estimates are not a quotation.

Resume points from this project

• Built and tested Rooftop Solar Sizing Tool with Hardware Data Logger and Payback Study; objective: help a household choose a system size and test how close the estimate is to real output.
• Measured and analysed estimated vs measured generation over 2 weeks and percentage error; wrote the report and presented the results in a viva. Add your own numbers: [x].

Replace [x] with your own measured results. Write only what you really did.

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