Like many people here, I had wasted power, so I bought Sense. I just built my home within the last year and I am on well water. My new house was built to be fairly energy efficient. My power consumption on my new house was more than my 20year old prior house, significantly more. The houses are roughly the same size. This got me pretty curious as to why. The first day I installed sense it had not recognized any devices yet, which was fine, I was able to see a spike of about 2000 watts every 30 minutes or so, for about 30seconds each time. I knew my well pump used roughly that much power.