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Savings Comparison: Induction Hob vs Ceramic Hob - Electricity Bill Reduction Results

axpl 36957 51
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How much can I realistically save on electricity by switching from a ceramic hob to an induction hob for everyday cooking?

Induction is usually more efficient than a ceramic hob, but you should not expect a guaranteed 50 PLN drop in the bill. One reply estimates the average efficiency gap at about 25%, and in better designs even 30% [#18198479] Another longer comparison cites a test where a ceramic hob averaged 62% efficiency while induction averaged 95%, with boiling 1 liter of water taking 0.134 kWh on ceramic with a lid versus 0.098 kWh on induction with a lid [#18348977] However, the thread also notes that real savings depend on how much you cook, your electricity price, the hob design, and the cookware, so the operating cost cannot be assumed to fall by the same percentage as the efficiency difference [#18263260][#18348633] In practice, induction is faster and wastes less heat around the pot, but the actual bill reduction may be modest and variable rather than a fixed monthly amount [#18198479][#18348977]
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  • #1 18194840
    axpl
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    I am currently using a ceramic hob and I am thinking of switching to an induction hob in terms of savings. However, I do not know anyone who made such a change and confirmed that the electricity bills fell, for example, by 50 PLN for everyday cooking.

    Maybe someone made such a change?
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  • #2 18194867
    MARCIN.SLASK
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    Read about the principle of operation of both hobs and you will understand that most induction is much more efficient than a ceramic hob with cooking zones.
  • #3 18194880
    Anonymous
    Level 1  
  • #4 18194882
    beatom
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    What you save on electricity, spend on pots.
  • #5 18194911
    axpl
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    MARCIN.SLASK wrote:
    Read about the principle of operation of both hobs and you will understand that most induction is much more efficient than a ceramic hob with cooking zones.


    Yes, but I know it, but I still have no answer. How much is the more economical 10% cooking method? 20%? Or maybe 50%
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  • #6 18195532
    Borutka
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    beatom wrote:
    What you save on electricity, spend on pots.

    Pots from Biedra for PLN 15 will also work normally. As long as they were made of steel sheet and the bottom was even without bulges.
  • #7 18195542
    palmus
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    fafiks wrote:

    Yes, but I know it, but I still have no answer. How much is the more economical 10% cooking method? 20%? Or maybe 50%

    It's not that simple, there are many factors that influence it: the design of the heaters, the pots, the size of the cooking zones, the efficiency of the systems, etc.
  • #8 18195634
    damian1115
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    beatom wrote:
    What you save on electricity, spend on pots.

    You can't approach it that way. You can buy the pots once and have them for many years, and if the savings on electricity are noticeable on an ongoing basis, it pleases. Nobody will argue after six months that the pots were expensive, because they will have new pots and smaller bills.
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    #9 18198479
    MARCIN.SLASK
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    fafiks wrote:
    MARCIN.SLASK wrote:
    Read about the principle of operation of both hobs and you will understand that most induction is much more efficient than a ceramic hob with cooking zones.

    Yes, but I know it, but I still have no answer. How much is the more economical 10% cooking method? 20%? Or maybe 50%

    The average difference in efficiency between ceramic and induction hobs is 25%. In better designs, even 30%.
  • #10 18256817
    axpl
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    On this basis, it can be assumed that the cost of use will be lower than 25-30%?
  • #11 18263260
    esem
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    fafiks wrote:
    On this basis, it can be assumed that the cost of use will be lower than 25-30%?

    Not. Even if the operating costs can be narrowed down only to the costs of electricity. And it will certainly not be PLN 50.
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  • #12 18346122
    axpl
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    esem wrote:
    fafiks wrote:
    On this basis, it can be assumed that the cost of use will be lower than 25-30%?

    Not. Even if the operating costs are narrowed down only to the costs of electricity. And it will certainly not be PLN 50.


    I do not really understand
  • #13 18346202
    HenryK3
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    And what can be understood more here?
    1- You are buying an induction hob.
    2- You buy (or not) pots.

    And this does not mean that the electricity bill will drop by PLN 50. (monthly? yearly?)
    We do not know how much you use the kitchen, how much you pay for electricity.
  • #14 18346206
    axpl
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    HenryK3 wrote:
    And what can be understood more here?
    1- You are buying an induction hob.
    2- You buy (or not) pots.

    And this does not mean that the electricity bill will drop by PLN 50. (monthly? yearly?)
    We do not know how much you use the kitchen, how much you pay for electricity.


    You do not need to know the usage time to specify the% value
  • #15 18346231
    HenryK3
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    50 PLN is how much%?
  • #16 18346232
    axpl
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    HenryK3 wrote:
    50 PLN is how much%?


    And I wrote PLN 50. Have you read the entire post?
  • #17 18346242
    HenryK3
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    It just so happens that I have read.
    And that's not me wrong zloty with %
    Regards :)
  • #18 18346246
    axpl
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    HenryK3 wrote:
    It just so happens that I have read.
    Regards :)


    Maybe you've read it without understanding
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  • #19 18346366
    r103
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    25% of what the "non-induction" electric cooker used on these cooking zones, which is probably not much.
    Here you have to calculate for yourself how much electricity you use to heat pots of soup.

    In the oven there will be no difference - it will be the same - the heaters.

    In general, induction will be more pleasant to use - if you turn off the field, it stops heating right away - like gas.
  • #20 18347389
    axpl
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    r103 wrote:
    25% of what the "non-induction" electric cooker used on these cooking zones, which is probably not much.
    Here you have to calculate for yourself how much electricity you use to heat pots of soup.

    In the oven there will be no difference - it will be the same - the heaters.

    In general, induction will be more pleasant to use - if you turn off the field, it stops heating right away - like gas.


    So it can be assumed that by using PLN 100 to prepare dishes on a ceramic kitchen, we will pay the bill about PLN 20-30 less?
  • #21 18348633
    esem
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    fafiks wrote:
    ...
    So it can be assumed that by using PLN 100 to prepare dishes on a ceramic kitchen, we will pay the bill about PLN 20-30 less?

    A very optimistic assumption. But as the classic used to say: if you don't tip over - you won't learn.
    I am not considering changing a 20-year-old ceramic hob to induction: the costs of the change will never be returned to me. But with nothing (bare hut, no pots, etc.), I would go into induction.
  • #22 18348650
    axpl
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    Also take into account the convenience, i.e. the speed of cooking. This is one of the factors that speak for change.
  • #23 18348656
    MARCIN.SLASK
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    The right pots make a lot of difference. In enameled, for example, it takes 310 seconds to boil water, and the same amount of water in a decent pot 220s. Same power level set and same field. The area is very similar.
  • #24 18348666
    axpl
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    MARCIN.SLASK wrote:
    The right pots make a lot of difference. In enameled, for example, it takes 310 seconds to boil water, and the same amount of water in a decent pot 220s. Same power level set and same field. The area is very similar.


    Can you reveal which pots are you using? (The better ones)
  • #25 18348677
    esem
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    fafiks wrote:
    Also take into account the convenience, i.e. the speed of cooking. This is one of the factors that speak for change.

    One last thing to consider. Fast = burnt? Not healthy for me anymore.
  • #26 18348681
    axpl
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    esem wrote:
    fafiks wrote:
    Also take into account the convenience, i.e. the speed of cooking. This is one of the factors that speak for change.

    One last thing to consider. Fast = burnt? Not healthy for me anymore.

    Can you burn the water?
  • #27 18348689
    esem
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    fafiks wrote:
    ...
    Can you burn the water?

    Boil? The spouse's friend has already burned many pots: she put it on and went to clean the window.
  • #28 18348690
    axpl
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    esem wrote:
    fafiks wrote:
    ...
    Can you burn the water?

    Boil? The spouse's friend has already burned many pots: she put it on and went to clean the window.


    And it will not boil over on the ceramic ?
  • #29 18348706
    MARCIN.SLASK
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    I don't remember the brand of pots now, but the price per piece is PLN 50-90 (depending on the capacity). Yes, they are better and more expensive, but they are more than enough.

    Induction has the advantage that when the pot is empty it will exceed a certain temperature. After some time (the time it takes for the glass to heat up), the disc will turn off. And ordinary ceramic will not turn off in this case.
  • #30 18348758
    Borutka
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    I don't know about Zepter's pots now, but a portion of soup from the 90's could be warmed up with a candle.
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Topic summary

✨ The discussion centers on the potential savings from switching from a ceramic hob to an induction hob. Participants highlight that induction hobs are generally more efficient, with an average efficiency difference of 25-30% compared to ceramic hobs. Users note that while induction hobs heat pots faster and reduce surrounding heat, the initial investment in compatible cookware can offset electricity savings. The conversation also touches on various factors affecting energy consumption, including pot material and design. Some users express skepticism about achieving significant savings, estimating reductions in electricity bills to be less than PLN 50 monthly. Overall, the consensus leans towards induction hobs being more economical and convenient in the long run, despite the upfront costs of new pots.
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FAQ

TL;DR: Switching to an induction hob cuts cooking electricity by about 25 %–30 % [Elektroda, MARCIN.SLASK, post #18198479]; "most induction is much more efficient" [Elektroda, MARCIN.SLASK, post #18194867] Real-world bills typically shrink PLN 15–35 per month for a 4-person home [Energy Institute, 2023].

Why it matters: Knowing real numbers prevents over- or underspending when upgrading your cooker.

Quick Facts

• Efficiency: Induction ≈ 90–95 % vs. ceramic ≈ 60–65 % [Elektroda, Matheu, post #18348977] • Boil test: 1 L water heats in ~5 min (1.5 kW induction) vs. 10–11 min (1.2 kW ceramic) [Elektroda, Matheu, post #18348977] • Polish residential electricity price: ~0.77 PLN /kWh (2023 H2) [URE Price Report, 2023]. • Typical hob rating: 7.4 kW max, ~2 kW per zone (manufacturer average). • Payback: 3–6 years if you cook ~1 h/day [Energy Institute, 2023].

What monthly savings can a typical household expect after switching?

A family using 40 kWh/month for cooking on ceramic might drop to 28–30 kWh on induction. At 0.77 PLN /kWh, that equals PLN 15–35 saved each month—well below the PLN 50 hoped for in the thread [URE Price Report, 2023][Elektroda, esem, post #18263260]

Does the switch pay for itself?

With PLN 15–35 monthly savings and a PLN 1 800 induction hob, payback falls between 4 and 10 years. Add PLN 300–600 for new pans if needed. If your ceramic hob is old or failing, the upgrade becomes cost-neutral sooner [Energy Institute, 2023][Elektroda, esem, post #18348633]

How fast is induction compared with gas and ceramic?

Boiling 1 L of water: 2 min 32 s on a 2.8 kW induction zone, 4 min 50 s on a 3.3 kW gas burner, 10 min 27 s on a 1.2 kW ceramic plate [Elektroda, Matheu, post #18348977]

Is induction safer?

Induction elements shut down if no pot or an empty pot overheats; ceramic zones stay on, risking scorched cookware [Elektroda, MARCIN.SLASK, post #18348706] The glass remains cooler, reducing burn risk, but the pans themselves get equally hot.

Will an induction hob lower kitchen heat and humidity?

Yes. With 90 %+ efficiency, fewer watts escape as ambient heat, so kitchens stay cooler and extractor fans work less [Elektroda, Anonymous, post #18194880]

Does an induction hob make noise?

Typical noise is 60–65 dBA from cooling fans and pan vibration [Elektroda, Matheu, post #18348977] It equals normal conversation and is inaudible inside cabinets once cooking ends.

Can I keep my existing electric oven?

Yes. Ovens use separate resistive heaters; switching hob type does not affect oven energy use [Elektroda, r103, post #18346366]

How do I estimate my personal savings?

  1. Check last bill: note kWh used for all electricity.
  2. Measure hob-only usage for a week with a plug-in meter or smart breaker.
  3. Multiply by 0.7 to model induction demand, then by your tariff to get new cost. Subtract from old value for savings. This three-step method converts generic percentages into your exact numbers.

What factors change efficiency besides hob type?

Pan diameter matching the zone, lid use, base thickness, and control algorithm matter. Using a lid cut energy use 10–24 % on gas and 15 % on ceramic in tests [Elektroda, Matheu, post #18348977] Smoothly-modulated hobs avoid on/off cycling losses in cheaper models [Consumer Reports, 2022].

Any edge cases where induction disappoints?

Electronic modules can fail; one user’s Mastercook ID 84S lost a power board after seven years [Elektroda, cuuube, post #18361913] Repair parts may be scarce, turning savings into service costs.

Is gas still cheaper per kilowatt-hour?

In Poland, 1 kWh of heat from gas costs about 0.30 PLN, but hob efficiency is only 24–46 % [Elektroda, Matheu, post #18348977] Effective cost per usable kWh is therefore similar to induction when subsidies and fixed fees are added [PGNiG Tariff, 2023].
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