I'm hoping some Friam member who knows a little about how an electric meter works will be interested enough to get this addressed BEFORE PNM spends $ 300+ million giving us all new meters.
If interested I can send the full paper abstracted here: https://ieeexplore.ieee.org/document/8077940 There is also a thesis from the same group that gives more info.... The paper makes clear that one of the preferred technologies in electric meters (the Rogowski coil) can go haywire when nonlinear loads are present. The smart meters gave readings up to 500% higher than the actual usage. The meters PNM has proposed for its entire territory is the Itron "Gen5" Riva, which has been deployed in the last 2 years in Denver and parts of Texas. Sure enough, some customers' bill have gone way up (3 or 4-fold in one news report), and they have little recourse: https://www.youtube.com/watch?v=dpOhTXV59pI&t=20s I intervened in this PRC proceeding last year, and may be able to get this info onto the record, and try to get the PRC to require better testing on nonlinear loads. But I need someone with some relevant expertise (can be education or experience) to explain the published findings and their implications to the PRC in an affidavit by March. This person would then answer questions from the PRC and possibly PNM via zoom in a short hearing in late April or May. I have several reasons for not wanting to see PNM make this huge investment (and by law they are entitled to a nice rate of return paid by us, the customers) in a very messed-up technology. Probably most of us in this group don't sweat much about our electric bills (actually maybe if ours quadrupled, we would), but for low-income families, this is potentially very cruel, since the cost of the meters will be charged with interest regardless of usage, and energy-saving appliances typically have nonlinear load usages). I hope to be at the St. John's gathering Friday am, but feel free to reply or contact me directly if interested in this. --William J. Bruno, Ph.D. wbr...@gmail.com
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