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Your questions, my answers

Thousands of questions, answered by me. Explore by category or topic, or ask your own to get started.

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Popular categories

Solar Power

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Battery Storage

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Heat Pumps

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EV Charging

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Smart Home

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Energy Efficiency

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Grants & Finances

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Tariffs

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Recent questions

What maintenance helps panels stay in good condition?

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Do solar panels lose efficiency over time?

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Can solar panels handle bad weather like hail or heavy snow?

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How long do solar panels usually last?

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What kind of roof surface is best for bifacial panels?

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Is the extra power from bifacial panels worth it?

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Do bifacial panels need special mounting equipment?

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Are bifacial panels suitable for small rooftops?

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What is half-cell technology in solar panels?

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How does splitting cells help with performance?

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Popular topics

Solar panels are built to last. Most can withstand heavy rain, wind, and even hail, thanks to tough glass and weather-resistant frames. Their lifespan often exceeds 25 years, with only gradual declines in performance. This long life makes them a reliable investment for any home.

Solar panel durability

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Larger solar panels can produce more energy, but they might not fit well on some roofs. Standard-sized ones are easier to handle and often work better when space is tight or when panels need to be placed in specific positions.

Jumbo vs Standard Solar Panels

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As panels heat up, their output can drop. The temperature coefficient shows how much performance changes with each degree. Lower numbers mean better efficiency during hot weather.

Temperature Coefficient

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Some panels come with SG markings, often linked to certification or region-specific approvals. It helps identify whether the product meets certain standards or local requirements. Always check the details before buying.

Solar Panel SG Certification

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Solar panels reduce your electricity bills over time. The payback period tells you how many years it takes to earn back what you spent on the system. A shorter period usually means better value.

Solar Panel Payback Period

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Module efficiency shows how well the panel converts sunlight into electricity. Higher values mean more energy from the same panel size. This matters most where space is limited or when performance is a top priority.

Module Efficiency

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Even a small difference in panel efficiency can affect output over the years. Panels rated at 24% convert more sunlight than those at 22.5%, which adds up over time, especially on larger systems.

22.5% vs 24% Efficiency

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N-type panels tend to offer better performance and last longer. They're also less affected by certain types of degradation. That's why many premium solar systems include this type of technology.

N-Type Semiconductor Panels

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