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US Wind Power Generation vs US Federal Debt Outstanding

US Wind Power Generation and US Federal Debt Outstanding correlate at r = +0.99 over 43 years (1983–2025), p < 0.0001. With the time trend removed, r = +0.97. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = 0.97). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
+0.99
p-value
< 0.0001
Years compared (n)
43 (1983–2025)
95% confidence interval
0.97 to 0.99
Correlation with the time trend removed
+0.97

Sources

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