How Accurate is Sense vs. Utility Metering?

Data Analysis
15

A new accuracy update. Once I got past issues related and too many smartplugs affecting connectivity of the Sense monitor, Sense data has been spot on accurate. If I get rid of the 60 (1.3%) or so worst points caused by the monitor issues, the unity line looks great.

Accuracy

Better yet, the error/residual histogram shows virtually all hours to be very close, with over 97% of the net metered hourly energy within +/- 50Wh.

Error%20histogram

Deviance Residuals: 
     Min        1Q    Median        3Q       Max  
-0.37026  -0.00436   0.00158   0.00800   0.35992  

Coefficients:
                          Estimate Std. Error t value Pr(>|t|)    
(Intercept)             -0.0015896  0.0005094   -3.12  0.00182 ** 
Sense3$PGENet[keepers3]  1.0001519  0.0001215 8234.16  < 2e-16 ***

And if I look at the time period after the issue was resolved, I see even better - a couple of minor power outages affected the data, but everything else is linear.

Accuracy%202

And error/residual term tightens up tremendously.

Erro%20histogram%202
Erro histogram 2.png776×556 8.2 KB 

Deviance Residuals: 
      Min         1Q     Median         3Q        Max  
-0.060682  -0.006075  -0.000292   0.005738   0.065980  

Coefficients:
                          Estimate Std. Error   t value Pr(>|t|)    
(Intercept)             -7.596e-04  3.021e-04    -2.514    0.012 *  
Sense3$PGENet[keepers3]  1.001e+00  6.778e-05 14770.513   <2e-16 ***
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