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Could a decision NOT to turn back the clocks save on energy bills this winter?

Experts have conflicting opinions on whether the move would be good for Ireland.

AS ENERGY PROVIDERS in Ireland continue to hike their prices the government is coming under increased pressure to assist households with the rising cost of living.

While support measures are expected in the upcoming Budget, experts have been floating some more alternative ideas to address the crisis.

Speaking to RTÉ’s Brendan O’Connor at the weekend, Professor Aoife Foley from the School of Mechanical & Aerospace Engineering at Queen’s University Belfast, said “serious consideration” should be given to forgoing this year’s shift to daylight savings time at the end of next month.

The clocks are due to go back one hour, resulting in slightly brighter mornings but darker evenings.

Professor Foley said she has estimated that the average household could save up to €500 per year on their electricity bills if the decision was made not to turn back the clocks.

“Although it would be darker in the mornings it would be brighter in the evening and that’s when you have the biggest peak in the power system and in the gas network in terms of demand,” she said.

Foley said if commercial bills and gas were factored in there could be significant additional savings nationally. She said the country is currently in an “energy war” and some more creative solutions may be required.

There has, in recent years, been a debate about whether Ireland should switch to the Central European Time (CET) timezone or abandon season time changes altogether. 

There has been resistance to the idea however, not least because a change could result in different timezones in Northern Ireland and in the Republic.

Brexit and the conflict around the Northern Ireland Protocol have heightened concerns about the potential impact of this proposal, John Fitzgerald, Research Affiliate at the Economic and Social Research Institute (ESRI) told The Journal.

Fitzgerald was one of the authors of an ESRI paper in 2014 that considered the possible effects on electricity costs of moving Ireland to Central European Time.

The results suggested that a change would produce very limited savings in peak demand for electricity and possibly some increase in off-peak electricity costs.

Fitzgerald noted that the research found that the magnitudes of the costs and savings would be slightly greater if Northern Ireland changed time zone as well as the Republic.

“That’s an issue we would be more conscious of now [if conducting the research now] with the Protocol because if the Republic was to have a different timezone from Northern Ireland that would cause a certain amount of excitement in the community in Northern Ireland,” he said. 

“Producing a new border on the island or producing a new border in the Irish Sea if Britain didn’t change simultaneously would raise eyebrows and that’s an issue we would take more seriously today than we would have in 2014.”

Fitzgerald said the savings from a one-hour timezone move would be “peanuts” and that it is likely people would change their behaviours, further reducing any potential benefit.

A more dramatic switch, for example to Atlantic time, which is observed in parts of North America, would be required to make a noticeable difference, Fitzgerald said.

His analysis suggested that, if Ireland switched to Atlantic time, an average of 317 MW in generation capacity could be saved at peak during winter time; this is the equivalent of three quarters of a standard generation station.

However this would have other knock-on impacts such as increasing the difference in time between Ireland and the bulk of other European countries, affecting both business and social life.

So although there may be some savings if Ireland decided to forgo the switch this autumn, it will not be the ‘silver bullet’ needed to tackle the oncoming crisis and is likely too controversial a move for the government to consider. 

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44 Comments
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    Mute Martin Dolan
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    Sep 5th 2022, 5:51 PM

    Imagine Northern Ireland being an hour ahead of us. Would make a change from being a hundred years behind us

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    Mute Johnny Honest
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    Sep 5th 2022, 6:56 PM

    @Martin Dolan: Hahahaha, nice one. Made me chuckle anyway.

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    Mute paddy mulcahy
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    Sep 6th 2022, 8:16 AM

    @Martin Dolan: there’s a town on the Limerick/Clare border called Meelick, where apparently one half of the village adheres to daylight savings while the other doesn’t….

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    Mute MikeOM
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    Sep 5th 2022, 5:04 PM

    The Journal should run a poll ;-)

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    Mute Brian Madden
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    Sep 5th 2022, 5:07 PM

    @MikeOM: the journal doesn’t do trivial polls

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    Mute sean o'dhubhghaill
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    Sep 5th 2022, 5:38 PM

    @Brian Madden: In your dreams!

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    Mute Kevin Hill
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    Sep 5th 2022, 5:20 PM

    Could we turn them back to the 1990’s? They were much better crack.

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    Mute Stuart Doherty
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    Sep 6th 2022, 1:44 PM

    @Kevin Hill: Amen to that…….when people had a sense of humour ,not one of entitlement …

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    Mute Joshua Walsh
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    Sep 5th 2022, 5:10 PM

    Why does it have to be 6 months summer and winter. A 9/3 split would be a much better idea. It’s only really dark in the morning around 9am at the height of winter. A 9/3 spilt would help with this.

    Personally I detest winter time change, but at the very height of winter you can see why a time change 6 weeks either side of 21st Dec would be practical.

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    Mute Ciaran O'Mara
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    Sep 5th 2022, 5:29 PM

    @Joshua Walsh: the dates for the change to and from winter time are set out in an EU regulation that applies to all member states. So legislation at EU level needed to have a 3 month or 4 month winter time.

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    Mute Paul Clancy
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    Sep 5th 2022, 9:12 PM

    @Ciaran O’Mara: are they? But we’ve been doing this of decades before the EU existed.

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    Mute paul
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    Sep 6th 2022, 7:15 AM

    @Joshua Walsh: it’s actually 7 month summer time now but yes I agree that a shorter winter time would make sense. Waiting until the end of March is very long, end Feb would make more sense.

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    Mute Niall Mccall
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    Sep 5th 2022, 5:22 PM

    How about spending some of the hundreds of millions in profit , so people don’t struggle, or keep ramping up profits for privatisation

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    Mute Don Hogan
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    Sep 5th 2022, 10:18 PM

    @Niall Mccall: Another troll who can not comment properly.

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    Mute Will Roche
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    Sep 5th 2022, 5:20 PM

    More like daylight robbery.

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    Mute Brian Madden
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    Sep 5th 2022, 5:31 PM

    @Will Roche: it all sounds a bit cookoo

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    Mute Conrad Shields
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    Sep 5th 2022, 5:27 PM

    Yes please! I was hoping last October was to be the last of it. We should stick to GMT+1 (our current summer time). In fact would prefer if we move to GMT+2 and align with CET summers.

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    Mute Nora McElhinney
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    Sep 5th 2022, 10:14 PM

    @Conrad Shields: this comes up every year but nothing changes….

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    Mute Monica Pierce Anderson
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    Sep 5th 2022, 6:33 PM

    Portugal and Spain manage just fine with an hour difference! Why can’t we?

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    Mute paddy mulcahy
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    Sep 6th 2022, 8:15 AM

    @Monica Pierce Anderson: Portugal is in the same time zone as us.

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    Mute Eoin O'Neill
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    Sep 6th 2022, 9:35 AM

    @paddy mulcahy: Spain should also be on the same timezone but Franco changed timezone to be on the same as Germany and Italy. All to he in the same facist timezone…

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    Mute Tom Kelly
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    Sep 5th 2022, 6:29 PM

    Every year the same nonsense.. do it or stop talking about it!!

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    Mute Paolo Fandango
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    Sep 5th 2022, 5:38 PM

    If there is a strongly validated rationale that shows real savings, with no downsides then this is a great idea.

    But that 500 figure seems to good to be true.

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    Mute Liz O'Neill
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    Sep 5th 2022, 6:47 PM

    Day or night, it’s still cold. The heating would still be on at the usual times.

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    Mute Paolo Fandango
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    Sep 5th 2022, 7:32 PM

    @Liz O’Neill: temps do drop when daylight fades so I think what is being inferred here is that there are more daylight hours lined up with your core power usage times.

    Not quite convinced of the projected cost savings they’re claiming however.

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    Mute thesaltyurchin
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    Sep 6th 2022, 7:40 AM

    @Paolo Fandango: yeah but if we’re all on the same clock how does it change? even if it does, can’t the energy companies just shift accordingly?

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    Mute Watchful Axe
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    Sep 5th 2022, 5:23 PM

    Is there any correlation between the time changes and car accidents? (e.g.: when the evening suddenly plunges into darkness around the time people are driving home.)

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    Mute Steve O'Hara-Smith
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    Sep 5th 2022, 7:50 PM

    @Watchful Axe: It shifts the dark drive between morning and evening. The morning is when kids go to school which ups the risk for those kids who walk or cycle to school. Far far fewer than in my school days when keeping summer time was tried and rejected in the UK for that reason.

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    Mute Steve O'Hara-Smith
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    Sep 5th 2022, 5:09 PM

    CET would be daft, we are a long way west of that. Sticking to GMT all year long would make for very early summer mornings, sticking to IST all year long would make for very late winter mornings. I think I prefer GMT all year long.

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    Mute Michael McGrath
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    Sep 5th 2022, 9:51 PM

    @Steve O’Hara-Smith: would prefer the late winter mornings to be honest, love the late summer evenings to do stuff, generally can do f all on a winter morning anyway

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    Mute Rob O'Brien
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    Sep 5th 2022, 7:29 PM

    Why don’t we as a nation all decide to just not put the clocks back, everyone refuse. What are they going to do if everyone agrees to leave the clocks as they are. Problem solved. We need to take charge of this problem and work as one nation to resolve it.

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    Mute Sean Nihill
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    Sep 5th 2022, 10:01 PM

    @Rob O’Brien: why don’t we all decide not to pay electric or gas bills. Could they cut off the entire country. Worked for water. Something has got to give before the fat cats destroy the world

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    Mute Julie
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    Sep 5th 2022, 5:46 PM

    Prof Foleys interview was excellent, certainly well worth a listen, she had some very interesting points to make https://podcasts.apple.com/ie/podcast/energy-saving-measures/id1495060929?i=1000578249406

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    Mute billy bound
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    Sep 5th 2022, 7:38 PM

    Ireland is already behind Europe in more ways than one anyway so why change it. Mwhaaaaaaaa

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    Mute Gerard O'Donoghue
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    Sep 5th 2022, 6:42 PM

    Is changing the clocks such an issue?
    Nobody seems to be pointing out that if Ireland decides to stop changing the hour without all the rest of the countries adopting the same approach it’ll make planning online meetings a bit confusing.
    E.g. at certain times of the year we will be 1 hour behind Germany and at other times of the year when they change their clock we will be 2 hours behind them and that’s even more daft when you consider east coast of Brazil is only 3 hours behind us

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    Mute Steve O'Hara-Smith
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    Sep 5th 2022, 7:45 PM

    @Gerard O’Donoghue: I regularly have meetings with people in the USA where they change clocks a week out of sync with us – all the calendar software copes perfectly, but it does sometimes throw me.

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    Mute Tomo
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    Sep 6th 2022, 12:29 PM

    We need to switch to summer time. It’s awful that everyone’s coming out of school or work when it’s dark. The entire sunlight of the day was spent at work. Disgusting and unhealthy (mentally and physically).

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    Mute paddy mulcahy
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    Sep 6th 2022, 8:12 AM

    there’s a village on the Limerick/Clare border called Meelick, where apparently one half of the town uses daylight savings, and the other doesn’t.

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    Mute thesaltyurchin
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    Sep 6th 2022, 7:44 AM

    @Fred Conlan: Lol. big fan of the beardy lad that lives on a cloud? Not ‘backwards’ at all.

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