Hi All, I had Sense for roughly 6 months and I love it. I recently noticed that, once only “always on” devices are on, lug #1 reports negative wattage. See snapshot below. It is not much. I have no solar and clamps are installed facing feeder. Any idea? Maybe it is just a calibration issue. Than…

It sure sounds like a reversed CT. Got a photo by any chance?

Thanks! Admittedly I don’t have a picture handy now but I can take one. Interestingly enough, the negative reading happens only when everything is off (except the “always on” devices). See for instance a snapshot of my current consumption: [image]

You are using MORE energy when everything is off ? Are by any chance the CT’s switched around? L1 & L2 got switched ? I think it is best to open a case with support@sense.com They can see a lot more than we (the customers) can. Please let us (me!!) know what comes out of this! Something is “di…

I have a similar problem that started just over 24 hours ago. Everything was fine until 9 am when the solar trace reverted to zero and I get negative readings on mains until sundown, and then I get visible usage. I have only had sense for about two weeks, as part of beta trial here in Australia. Whe…

This has been going on for years and is a known “issue” that Sense either isn’t able or doesn’t want to fix. In the USA there are 2 ways you can hook up solar to a meter setup: Load side vs Line or Supply-side See How to connect a PV solar system to the utility grid Once you have hooked up your …

Negative wattage with always on devices and no solar

Technical Questions

kevin1 Split this topic March 22, 2023, 4:08pm 7

A post was merged into an existing topic: Electrical work and now one main is reading negative watts?

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Negative wattage with always on devices and no solar

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