Real generation data, year by year. Solar didn’t win the argument. It won on price. Winter is still real, so we plan solar plus storage.
The full post, with its chart or video, is on LinkedIn.
Blog · PVDIS
Solar race in 20 seconds
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Hot roof, fewer watts
The label says 440 W. The July roof says about 389 W. Not broken, just hot: at −0.29 %/°C, cells at 65 °C lose around 11.6 %.
Bifacial gain: datasheet vs field
The datasheet says +25 %. Measured in the field: +8.9 %. A real gain, just not 25 %.
Solar kWh per person
Capacity shows what is installed. Generation shows what it delivers. World average 2024: 263 kWh per person, up from 27 in 2014.