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Economy 7 and ending of RTS (Radio Teleswitch Service)
Comments
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It's usually fairly obvious from the mechanism: on older clockwork-style meters, the timing cogs are visible.QrizB said:
Post a photo of your meter and any associated wiring leading to your consumer unit(s) and we can tell youEssexHebridean said:
I've realised now I'm doing more looking into it that I don't know, although I believe there should be something on the meter itself that makes it clear.macman said:Why would a change of supplier affect your smart metering? A new meter would be SMETS2 and should work with any change of supplier.
By a 'digital'meter, do you mean an RTS meter, or a conventional clockwork meter?
No free lunch, and no free laptop
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davew62 said:
How do you know when your off-peak supply is so that you can set your timers?dunstonh said:I have a digital meter with no circuit switching. Everything is done on timers. So, not an issue for me, but I had heard about this.I imagine the E7 switching timer belongs to the energy company, not to dunstonh.A bit like the one on the far right of this photo:
N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill Coop member.Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!
2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.0 -
Thank you kindly! Now the meter I can do - that bit is easy. The bits *below* the meter though are covered by a metal plate which I’m not going to be removing, so not easily accessible. The below is the best I can do…QrizB said:
Post a photo of your meter and any associated wiring leading to your consumer unit(s) and we can tell youEssexHebridean said:
I've realised now I'm doing more looking into it that I don't know, although I believe there should be something on the meter itself that makes it clear.macman said:Why would a change of supplier affect your smart metering? A new meter would be SMETS2 and should work with any change of supplier.
By a 'digital'meter, do you mean an RTS meter, or a conventional clockwork meter?
🎉 MORTGAGE FREE (First time!) 30/09/2016 🎉 And now we go again…New mortgage taken 01/09/23 🏡
Balance as at 01/09/23 = £115,000.00 Balance as at 31/12/23 = £112,000.00
Balance as at 31/08/24 = £105,400.00 Balance as at 31/12/24 = £102,500.00
Balance as at 31/08/25 = £ 95,450.00
£100k barrier broken 1/4/25SOA CALCULATOR (for DFW newbies): SOA Calculatorshe/her0 -
Landis + Gyr 5246C. Isn't that a 5-terminal meter (one switched live and one un-switched live)?
If so, off-peak is when the light next to 100A (the top one) is red. Can't easily read the time off those without downloading the firmware IIRC.1 -
Yes, and yes, I know when the off-peak is. That wasn’t the question! 😉[Deleted User] said:Landis + Gyr 5246C. Isn't that a 5-terminal meter (one switched live and one un-switched live)?
If so, off-peak is when the light next to 100A (the top one) is red. Can't easily read the time off those without downloading the firmware IIRC.🎉 MORTGAGE FREE (First time!) 30/09/2016 🎉 And now we go again…New mortgage taken 01/09/23 🏡
Balance as at 01/09/23 = £115,000.00 Balance as at 31/12/23 = £112,000.00
Balance as at 31/08/24 = £105,400.00 Balance as at 31/12/24 = £102,500.00
Balance as at 31/08/25 = £ 95,450.00
£100k barrier broken 1/4/25SOA CALCULATOR (for DFW newbies): SOA Calculatorshe/her0 -
Deleted_User said:Landis + Gyr 5246C. Isn't that a 5-terminal meter (one switched live and one un-switched live)?
If so, off-peak is when the light next to 100A (the top one) is red. Can't easily read the time off those without downloading the firmware IIRC.Yes, that's the one!https://www.landisgyr.com/webfoo/wp-content/uploads/product-files/5246_Technical_Specification11.pdfI guess the easiest way to check the E7 timings is to stay up and see when the red light comes on, then get up early to see when it turns off. If the two times are 7hrs apart, you know when it switches. If they're more than 7hrs apart you might have one of those E7 periods where there's a gap in the middle ...N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill Coop member.Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!
2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.1 -
Ah, it appears I pressed post without entering the last line.EssexHebridean said:
Yes, and yes, I know when the off-peak is. That wasn’t the question! 😉[Deleted User] said:Landis + Gyr 5246C. Isn't that a 5-terminal meter (one switched live and one un-switched live)?
If so, off-peak is when the light next to 100A (the top one) is red. Can't easily read the time off those without downloading the firmware IIRC.
"This is an entirely internal timeclock then - no clockwork dials, no external timer, no RTS.... just a dumb digital meter from just before the smart meter rollout."2 -
That’s good news then. It was the very audible loud click as it switches over that made us unsure as it sounded more “mechanical” than anything that would have come from the meter itself.Deleted_User said:
Ah, it appears I pressed post without entering the last line.EssexHebridean said:
Yes, and yes, I know when the off-peak is. That wasn’t the question! 😉Deleted_User said:Landis + Gyr 5246C. Isn't that a 5-terminal meter (one switched live and one un-switched live)?
If so, off-peak is when the light next to 100A (the top one) is red. Can't easily read the time off those without downloading the firmware IIRC.
"This is an entirely internal timeclock then - no clockwork dials, no external timer, no RTS.... just a dumb digital meter from just before the smart meter rollout."
Thank you!Our E7 is - thank goodness - entirely standard. Currently comes on at 0112, off again at 0812. 😁🎉 MORTGAGE FREE (First time!) 30/09/2016 🎉 And now we go again…New mortgage taken 01/09/23 🏡
Balance as at 01/09/23 = £115,000.00 Balance as at 31/12/23 = £112,000.00
Balance as at 31/08/24 = £105,400.00 Balance as at 31/12/24 = £102,500.00
Balance as at 31/08/25 = £ 95,450.00
£100k barrier broken 1/4/25SOA CALCULATOR (for DFW newbies): SOA Calculatorshe/her1 -
That loud click is almost certainly the switch (relay contactor) inside the meter turning on the off-peak only circuit. It's a chunky 100A switch.EssexHebridean said:
That’s good news then. It was the very audible loud click as it switches over that made us unsure as it sounded more “mechanical” than anything that would have come from the meter itself.Deleted_User said:
Ah, it appears I pressed post without entering the last line.EssexHebridean said:
Yes, and yes, I know when the off-peak is. That wasn’t the question! 😉[Deleted User] said:Landis + Gyr 5246C. Isn't that a 5-terminal meter (one switched live and one un-switched live)?
If so, off-peak is when the light next to 100A (the top one) is red. Can't easily read the time off those without downloading the firmware IIRC.
"This is an entirely internal timeclock then - no clockwork dials, no external timer, no RTS.... just a dumb digital meter from just before the smart meter rollout."
Thank you!1 -
Mine had a noticeable click as well .
they have looked at my meter before with view to changing it , but said they have no alternative to put in0
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