<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Sorry, a correction. I paid US$ 15 (not 150) for consuming 3,600 units.<br><br>Sarbajit Roy</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Feb 13, 2024 at 8:31\u202fPM Sarbajit Roy <<a href="mailto:sroy.mb@gmail.com">sroy.mb@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Hi Bruno<br><br>Smart meters were mandated in New Delhi India in 2008 onwards and we had the same sort of consumer experience with bills shooting up due to these then "made in China" meters and there was tremendous consumer anger. <br><br>2 important changes were made for domestic consumers - a) Billing would be on the basis of Kw-hr (resistive) and not on the basis of KVA-hr (reactive). and b) The neutral wiring and meter connection would be through a bus-bar system only (no looping of neutrals) and ELCBs were made mandatory for preventing earth leakages. That greatly sorted out the problem. <br><br>I believe the meter design was also changed to ensure that the Hall sensors were inserted into the phase as well as neutral lines.<br><br>Here are some links.<br><br><a href="https://www.derc.gov.in/sites/default/files/Public%20bulletin-5.pdf" target="_blank">https://www.derc.gov.in/sites/default/files/Public%20bulletin-5.pdf</a><br><br><a href="https://www.derc.gov.in/sites/default/files/TechnicalspecificationforMeters_0.pdf" target="_blank">https://www.derc.gov.in/sites/default/files/TechnicalspecificationforMeters_0.pdf</a><br><br><a href="https://www.derc.gov.in/sites/default/files/Draft-Regulations.pdf" target="_blank">https://www.derc.gov.in/sites/default/files/Draft-Regulations.pdf</a><br>(for Page 16 of 80)<br><br>Just for your information, In the past 1 year I have paid a grand total of about US$ 150 in electricity bills for an annual consumption of about 3,600 Kw-Hr (3,600 units).<br><br>Sarbajit Roy<br><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Feb 13, 2024 at 10:02\u202fAM _ Bruno W <<a href="mailto:wbruno@gmail.com" target="_blank">wbruno@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif">I'm hoping some Friam member who knows a little about how an electric meter works will be interested</div><div class="gmail_default" style="font-family:georgia,serif">enough to get this addressed BEFORE PNM spends $ 300+ million giving us all new meters.</div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif">If interested I can send the full paper abstracted here: <a href="https://ieeexplore.ieee.org/document/8077940" target="_blank">https://ieeexplore.ieee.org/document/8077940</a></div><div class="gmail_default" style="font-family:georgia,serif">There is also a thesis from the same group that gives more info....</div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif">The paper makes clear that one of the preferred technologies in electric meters (the Rogowski coil)</div><div class="gmail_default" style="font-family:georgia,serif">can go haywire when nonlinear loads are present. The smart meters gave readings up to 500% higher</div><div class="gmail_default" style="font-family:georgia,serif">than the actual usage. The meters PNM has proposed for its entire territory is the Itron "Gen5" Riva,</div><div class="gmail_default" style="font-family:georgia,serif">which has been deployed in the last 2 years in Denver and parts of Texas. Sure enough, some customers'</div><div class="gmail_default" style="font-family:georgia,serif">bill have gone way up (3 or 4-fold in one news report), and they have little recourse: <a href="https://www.youtube.com/watch?v=dpOhTXV59pI&t=20s" target="_blank">https://www.youtube.com/watch?v=dpOhTXV59pI&t=20s</a></div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif">I intervened in this PRC proceeding last year, and may be able to get this info onto the record, and try to</div><div class="gmail_default" style="font-family:georgia,serif">get the PRC to require better testing on nonlinear loads. But I need someone with some relevant expertise </div><div class="gmail_default" style="font-family:georgia,serif">(can be education or experience) to explain the published findings and their implications to the PRC in an affidavit by March.</div><div class="gmail_default" style="font-family:georgia,serif">This person would then answer questions from the PRC and possibly PNM via zoom in a short hearing in late April or May.</div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif">I have several reasons for not wanting to see PNM make this huge investment (and by law they are entitled to a nice</div><div class="gmail_default" style="font-family:georgia,serif">rate of return paid by us, the customers) in a very messed-up technology. Probably most of us in this group</div><div class="gmail_default" style="font-family:georgia,serif">don't sweat much about our electric bills (actually maybe if ours quadrupled, we would), but for low-income families, this is </div><div class="gmail_default" style="font-family:georgia,serif">potentially very cruel, since the cost of the meters will be charged with interest regardless of usage, and energy-saving</div><div class="gmail_default" style="font-family:georgia,serif">appliances typically have nonlinear load usages).</div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif">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.</div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px">--William J. Bruno<span class="gmail_default" style="font-family:georgia,serif">, Ph.D.<br><a href="mailto:wbruno@gmail.com" target="_blank">wbruno@gmail.com</a></span></blockquote><br><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><br></blockquote></div></div></div></div>
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