FAQs for Solar Power

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Solar Power

How much roof area do I need?

About 6–7 m² of shadow-free area per kWp.

What PR should I use?

0.75–0.8 is typical for design estimates.

On-grid or hybrid?

On-grid is cheapest; hybrid adds batteries for backup.

Products for this system

Cable size calculatorSolar PV design

Products and services

Standards cited by number for reference; verify designs with a qualified engineer.