Metered, not modelled
Darlington & Newton Aycliffe vs Warrington
Darlington & Newton Aycliffe and Warrington roofs made much the same last year.
773 against 771 kWh per kWp at the median, from 247 and 123 real systems.
Darlington & Newton Aycliffe
773 median kWh per kWp
middle half 678–832 · 247 systems · 29th of 49
Where the two actually overlap
Both areas, grouped by what each system made. The medians differ, but the shapes sit largely on top of one another — a good Warrington roof beats a poor Darlington & Newton Aycliffe one comfortably. Location moves the odds; it does not decide the outcome.
Darlington & Newton Aycliffe: the middle half of 247 systems made 678–832 kWh per kWp. Warrington: the middle half of 123 systems made 709–816 kWh per kWp.
Both figures are what real systems metered last year, so the gap mixes sunlight with system age, roof direction and shading. It is the difference in what people actually got, not a difference in sunshine alone.
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Output figures from openclimatefix/uk_pv (Hugging Face, CC-BY-4.0), collected by Sheffield Solar. How we measure.
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