The meter reading via a slow data rate powerline modem sort of=20
equipment. This is not a drive by short range RF reading. The utility is=20
going toward time of day metering, where peak hours, twice a day would=20
initially be $0.01 or $0.02/KWH, going to maybe $0.05/KWH in 5 years.=20
Our present rate is around $0.12/KWH. I'm not sure whether they are=20
downloading a batch once or so a day, or continuously, say every 5=20
minutes an instantaneous meter reading.

On 2/21/2011 11:01 AM, alan.b.pearce@stfc.ac.uk wrote:
>> No, that's not normal, for the opener to open on power up, we have had
>> many outages, or even if I unplug the opener when servicing (for
>> safety), and plug it back in, there is no action. The point here, is
>> this is not only my house, but many others, where doors opened and
>> lights went on, and this had not been common previously. I do have
>> several lights controlled by X-10, they were not affected. I should also
>> note, that on this electric power branch from the substation, which
>> includes a loop that we are connected, the common connection is a single
>> 2 wire primary>  120/240 volt AC 1 phase 3 wire + ground.
>>
>> Note that the open door, is dangerous with respect to intruders and
>> theft. Many have expensive tools/toys in their garage. Also it is common
>> for the garage to house door unlocked, with the locked doors only those
>> facing the outside.
>>     =20
> OK, as they are smart meters, I assume that the meter reader wanders arou=
nd with something that can read a near field radio signal to download the r=
eading - or does it get downloaded over the wire to HO?
>
> Whatever, it sounds like when the power came on a blitz of RF noise from =
all the meters trying to talk at once caused the doors to open.
>   =20
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.