[ale] [OT]Energy usage tracking

[Atlanta Geek]

After reading this and doing a little research I found this project.
http://www.instructables.com/id/Real_time_Web_Based_Household_Power_Usage_Monitor/

I dont know if I am going to do this yet.  They really made me fearful
of taking that circuit breaker box off and My wife keeps talking about
my minimal life insurance policy. But still it is interesting.

On Wed, Feb 11, 2009 at 1:48 PM, Mike Harrison <meuon at geeklabs.com> wrote:
>> (http://www.envirogadget.com/computer-gadgets/energy-usage-tracking-the-energy-detective/)
>> that lets you track your energy usage and store it on the computer.  I
>
> Disclaimer:  http://www.utilijoule.com  is one of my entities.
>
> The TED is a good home unit, not sure what the interface/export
> capabilities are.
>
> Most of the meters like that on the market are actually
> readable via ModBus or ModBus over TCPIP. Some are DNP/DNP3.
>
> I met the people behind EcoDog (http://www.ecodoginc.com) last week
> in San Diego at a trade show (Distributech) and I really liked the people.
> It's a startup and he is using LonTalk, a power line carrier technology.
> Still, he's doing it, as a fellow techie, send them an email
> and offer to be a beta. :)
>
> The killer for many of these for non-geeks is opening up your
> circuit breaker panel and putting "CT's" aka Current Transformers
> around the wires coming off the breaker. On the high end, some
> people actually make circuit breakers that can provide readings.
>
> When we do a Joule install, typically in the .5+ MegaWatt
> customer range, it takes a team effort including the utilities,
> electricians in flash suits and some serious equipment.
>
> For the home installs.. most people still won't play in a breaker panel,
> and PLEASE if you do, kill the power upstream first. Lock it out/off.
>
> On the cheaper, light commercial and larger home needs, Veris
> http://www.veris.com/subcategory.asp?idMainCategory=45&idCategory=45
> Makes some nice gear, with good prices for high quality CT's
> matched/calibrated to a meter from the factory.
>
> There are a bunch of others out there as well.. but that's off the top of
> my head.
>
>
>
>
>
>
>
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