Willie via EV wrote:
On 5/25/20 10:25 PM, Robert Bruninga via EV wrote:
Even mechanical meters now have a ratchet that wont let the kWh go
backwards even if the wheel goes backwards. Which means you get no
credit
for anything you backfeed.
I dont konw when those models came out, but at least 30 years ago...
That would explain my observations. My meter probably dated from the
1950s; I acquired the property in 1976 and the meter was not new then.
My home in Robbinsdale MN was built in 1954. It appeared to have the
original meter, and it ran backwards when I connected my PV panels and
grid-tie inverter. It was still there when I sold the house in 1998.
My current home was built in 1994, and had a mechanical meter. I don't
know if it could run backwards. But the utility changed it to an
electronic meter around 2000; and it does *not* run backwards. This is
the one that also had a lithium cell that died. It apparently couldn't
save or report KWH readings without it; so they "guessed" until I
complained and they replaced it.
Mark Abramowitz wrote:
> Sounds like between [you] and the utility, only [you] had actual data.
Yes, but they considered my data "weak". I had an old mechanical meter
on the garage circuit. To test, I turned off all power in the house, and
charged my EV, and compared its reading to the house meter. Mine was 10%
lower. Then I had to reset everything in the house (clocks, etc.) So I
only did the test a couple times.
> Sounds like a great small claims court matter.
Perhaps; but I didn't pursure it. It was only costing me about $10 extra
a month for the ~4 months it took to get them to fix it. In hindsight,
maybe I should have elevated the case, as they no doubt did it to other
people as well.
Lee Hart
--
When something bad happens, you have three choices: You can let it
define you; let it destroy you; or you can let it strengthen you.
-- Theodor Seuss Geisel
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
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