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Writer tests solar panel for a year to check online calculators

Original: Are online solar calculators accurate? I tested a 200W panel for 1 year to find out

A ZDNET writer spent a full year monitoring the output of a 200W solar panel to test whether online solar calculators deliver accurate estimates of real-world energy production. The long-term experiment compares predicted generation figures against measured results, offering practical guidance for homeowners weighing up rooftop solar installations.

Why now: Interest in home solar is rising and people want to know if calculator estimates can be trusted before investing.

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• Are online solar calculators accurate? I tested a 200W panel for 1 year to find out · ZDNET

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