[Jeff Sandberg] has put a good bit of effort into including photo voltaic and battery storage with related smarts to his house, however his power utilization statistics had been incomplete. His answer was to learn knowledge from the utility meter utilizing RTL-SDR to fill within the blanks. The outcomes are good to date, and there’s no motive related readings for fuel and water can’t even be finished.
[Jeff] makes use of the open supply house automation software program Residence Assistant which integrates properly together with his photo voltaic and battery backup system, however because of the means his home is wired, it’s solely conscious of about half of the power utilization in the home. For instance, [Jeff]’s heavy home equipment get their energy instantly from the facility firm and aren’t a part of the photo voltaic and battery programs. Which means Residence Assistant’s power statistics are incomplete.
Luckily, within the USA most good meters broadcast their knowledge in a fashion that a cheap software-defined radio like RTL-SDR can entry. That offered [Jeff] with the information he wanted to get a way more full image of his power utilization.
Whereas getting knowledge from utility meters is conceptually simple, really implementing issues in a means that built-in together with his system took a bit extra work. When you’re discovering your self in the identical boat, you’ll want to have a look at [Jeff]’s documentation to get some concepts.