Hi !
I am installing a solar array in my backyard
And as such I am exchanging my current electrical meter with a so called net meter that will allow me to feed electricity back to the grid when I have excess power.
What I would like to attempt is to talk to my electrical meter, and I was wondering if anyone has any experience doing this ?
Does it require a specific type of meter that allows com capabilities
Is there a hack available, additional hardware and some software I can write that would allow me to talk to the meter ?
If anyone has any ideas, I would appreciate some insight, and pointers.
@ persanders@ gmail.com: If you happen to live in the Netherlands your smart meter is probably equipped with a so called P1 port. This is a RJ11 socket and is a “readonly” port that transmits energy readings every 10 secs. It uses RS232 at TTL levels (5V) and it has a request line that has to be pulled up to 5V in order for the data to be transmitted. I’ve done a couple of projects connecting a netmf powered board to a couple of these meters, with only 1 or 2 transistors and a couple of resistors in between the meter and the netmf board.
Thank you guys for your replies ! Much appreciated and I will look into these suggestions right away ! Glad I found GHI looks like a lot of good smart folks here
No I am not living in Holland, native Swede actually but currently abroad living here in US of A in the beautiful state of MN.
Thanks again and I intend to share what my findings are and hopefully some possible solutions !