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From: KevinJ93 <kevin_es@whitedigs.com>
Newsgroups: sci.electronics.design
Subject: Re: energy in UK
Date: Fri, 18 Apr 2025 18:43:46 -0700
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On 4/18/25 2:33 PM, Don Y wrote:
> On 4/18/2025 5:38 AM, Carlos E.R. wrote:
<...>
>> I wonder how they are going to power those smart meters. Batteries? 
>> The water runs a generator that charges a battery?
> 
> No idea.  But, even replacing batteries (every year or so?) would
> be cheaper than coming around and reading EVERY meter EVERY month.

The smart gas meters around here are powered by batteries with a 10 year 
life. They only have a short range wireless link to the smart electric 
meter in the same house that can then have a much longer range link to 
the utility transceiver on a nearby utility pole.

Since it has plenty of power, the electric meter provides updates every 
few minutes to allow time of use metering. The gas meter only provides 
once per day updates, presumably to conserve power.

<...>

kw