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US Solar Energy Consumption vs US Annual Working Hours per Worker

US Solar Energy Consumption and US Annual Working Hours per Worker correlate at r = -0.48 over 41 years (1983–2023), p = 0.0014. With the time trend removed, r = -0.09. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.0014) and the association survives trend removal (detrended r = -0.09). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.48
p-value
0.0014
Years compared (n)
41 (1983–2023)
95% confidence interval
-0.69 to -0.20
Correlation with the time trend removed
-0.09

Sources

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Correlation does not imply causation. How the verdict is worked out.