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Transition from C11 to G11 Tariff Post-Photovoltaic Installation during Construction Phase

marcin55 11808 16
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Can I install photovoltaic panels while my house is still under construction using the C11 tariff, and what happens to billing when I later switch to G11 after getting the occupancy permit?

Yes, at least one user reports having PV installed in an unoccupied house on the C11 tariff, so it was possible in practice [#17876319] One reply also states that C11 applies to single-family houses before they are put into use, the former “makeshift” category [#17880509] When switching from C11 to G11, the meter was reportedly changed remotely by PGE and the billing continued in the normal settlement cycle [#17877322] The produced energy was carried over to the next period, and the consumed energy was settled normally [#17877322] Another reply adds that if the building exists and the panels are mounted on the roof, the supplier should not refuse the G11 tariff for a private customer [#17876372]
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  • #1 17874845
    marcin55
    Level 12  
    Posts: 24
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    Someone set up panels with the C11 tariff, i.e. during construction? What does it look like with the settlement when changing to G11 after obtaining the occupancy permit? I do not hide that I want to start the installation around May-June to take advantage of the sun in the summer (then I will pick it up in the winter with pump heating).
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  • #3 17875196
    marcin55
    Level 12  
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    I can't do it. I asked a specific question, don't refer me, Buddy, to other threads.
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  • #4 17875235
    ACCel
    Level 22  
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    I, too, believe that the only sensible solution is to impose the G tariff on them. Even by deception.

    I was building a summer house and I had a G11 without unnecessary formalities. Nobody checked it, the electrician just made the documentation.
    And when you build a house, you have to swing with them.
    Ask them directly what buildings (from the "on request" category or even without) give the G tariff. Maybe there will be some outbuilding or a garage there.
  • #5 17875354
    retrofood
    VIP Meritorious for electroda.pl  
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    marcin55 wrote:
    I asked a specific question, don't refer me, Buddy, to other threads.
    You could at least try to read it, I am sending you there not by accident.
  • #6 17876284
    marcin55
    Level 12  
    Posts: 24
    Help: 1
    Rate: 7
    retrofood wrote:
    You could at least try to read it, I am sending you there not by accident.


    I know this topic and so what? Here and there it is impossible to skip as for me. I can box with ENEA for six months and they will not change the tariff without a building occupancy permit. Anyway it does not matter . On Monday I will call BOK and ask there.
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  • #7 17876297
    retrofood
    VIP Meritorious for electroda.pl  
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    marcin55 wrote:
    I know this topic and so what?

    If you know, that's ok. You should have written right away. At least this
    Quote:
    Here and there it is impossible to skip as for me
    I don't understand, but if you think so ...
  • #8 17876319
    Leon444
    Level 26  
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    Hello
    I had an installation in PGE that I had an installation in an unclaimed house and I had a C11 tariff at that time in the Podkarpackie Voivodeship there were only two people with such a tariff and PV (one of them was me) :)
    Yes, it is possible :) another issue is the huge charges in C11 for the connected power :( but this probably affects everyone and has nothing to do with PV.
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  • #9 17876346
    marcin55
    Level 12  
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    Leon444 wrote:
    Hello
    I had an installation in PGE that I had an installation in an unclaimed house and I had a C11 tariff at that time in the Podkarpackie Voivodeship there were only two people with such a tariff and PV (one of them was me) :)
    Yes, it is possible :) another issue is the huge charges in C11 for the connected power :( but this probably affects everyone and has nothing to do with PV.


    And how did you switch to G11 (or there G12W) what happened with the accumulated kWh?
  • #10 17876372
    retrofood
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    Leon444 wrote:

    Yes, it is possible :) another issue is the huge charges in C11 for the connected power :( but this probably affects everyone and has nothing to do with PV.

    This is what it is about changing the tariff to G11 before assembly of photovoltaics. Because mounting panels not on a building requires a permit. So since the building exists and the panels are mounted on the roof, then no energy supplier has no right to deny the G11 tariff to a private recipient !!! This is why I referred to the topic about tariffs.

    Added after 2 [minutes]:

    marcin55 wrote:

    And how did you switch to G11 (or there G12W) what happened with the accumulated kWh?

    Get it out of your head. Photovoltaics is for individuals, you must be prosumer that all these regulations apply to you. Otherwise you have to apply for a license to trade in energy.
  • #11 17876391
    marcin55
    Level 12  
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    retrofood wrote:


    Get it out of your head. Photovoltaics is for individuals, you must be prosumer that all these regulations apply to you. Otherwise you have to apply for a license to trade in energy.


    Well, I will be a prosumer with the C11 tariff like my colleague above.
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    #12 17877322
    Leon444
    Level 26  
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    marcin55 wrote:
    Leon444 wrote:
    Hello
    I had an installation in PGE that I had an installation in an unclaimed house and I had a C11 tariff at that time in the Podkarpackie Voivodeship there were only two people with such a tariff and PV (one of them was me) :)
    Yes, it is possible :) another issue is the huge charges in C11 for the connected power :( but this probably affects everyone and has nothing to do with PV.


    And how did you switch to G11 (or there G12W) what happened with the accumulated kWh?

    When I was switching from C11 to G11, the PGE meter was probably remotely changed to me and the billing came, like the half-yearly settlement, and the energy produced was transferred to the next period and the consumed energy was settled.
  • #13 17878449
    marcin55
    Level 12  
    Posts: 24
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    Leon444 wrote:

    When I was switching from C11 to G11, the PGE meter was probably remotely reset to me and the settlement was future, as was the semi-annual settlement and the energy produced was transferred to the next period and the consumed energy was settled.


    And elegant. However, I will call BOK and ask.
  • #14 17879108
    Brunoxp
    Level 15  
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    marcin55 wrote:
    Well, I will be a prosumer with the C11 tariff like my colleague above.

    Are you an entrepreneur? Because the C11 is only for companies
  • #15 17880509
    Leon444
    Level 26  
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    Not only for companies, this tariff is also for single-family houses before they are put into use, the former so-called makeshift.
  • #16 17887104
    Brunoxp
    Level 15  
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    Leon444 wrote:

    Not only for companies, this tariff is also for single-family houses before they are put into use, the former so-called makeshift.

    do you have any link to the regulations saying that C11 is for single-family houses under construction? I am asking you seriously, I would like to read it
  • #17 17887545
    retrofood
    VIP Meritorious for electroda.pl  
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    Brunoxp wrote:

    do you have any link to the regulations saying that C11 is for single-family houses under construction? I am asking you seriously, I would like to read it

    Read post # 2. It is the energy sector that tricks individual, unaware investors into paying for frico. Daylight robbery.
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Topic summary

✨ The discussion revolves around the transition from the C11 tariff to the G11 tariff for photovoltaic installations during the construction phase. Users share experiences regarding the feasibility of maintaining the C11 tariff while installing solar panels before obtaining an occupancy permit. Some participants suggest that it is possible to switch to the G11 tariff without significant formalities, while others express concerns about the bureaucratic challenges involved. The importance of being classified as a prosumer to benefit from the G11 tariff is emphasized, along with the potential for energy billing adjustments during the transition. Users also discuss the implications of tariffs for single-family homes under construction and the need for proper documentation to avoid excessive charges.
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FAQ

TL;DR: Installing PV on C11 is feasible—"Yes, it is possible"—but one user saw only two C11+PV cases locally and faced high fixed-capacity charges. Plan costs and timing before switching to G11 after occupancy to smooth settlements. [Elektroda, Leon444, post #17876319]

Why it matters: This FAQ helps homeowners on a C11 construction supply install PV and transition to G11 without losing settlement benefits.

Quick Facts

Can I install PV under a C11 (construction) tariff during house build?

Yes. A PGE customer ran PV on a C11 connection in an unoccupied house. He also noted only two C11+PV users in his voivodeship. Expect higher fixed charges tied to contracted power on C11. Budget for this when designing your system. [Elektroda, Leon444, post #17876319]

What happens to my generated kWh when I switch from C11 to G11?

In that PGE case, the meter was reprogrammed remotely during the tariff change. Billing proceeded like a regular half‑year settlement. Generated energy moved into the next period. Consumption was settled against it under the new tariff. [Elektroda, Leon444, post #17877322]

Do I count as a prosumer on C11, or is that only for G‑tariffs?

Prosumer rules target individuals. A moderator notes those rules apply when you are a prosumer. If you are not, you may need a trading license. Confirm status before commissioning PV. [Elektroda, retrofood, post #17876372]

Should I switch to G11 before installing the PV system?

A moderator advises switching to G11 before installing PV. Roof mounting ties the system to the building. He adds, "no energy supplier has no right to deny the G11 tariff to a private recipient." Ask for G11 once the building exists. [Elektroda, retrofood, post #17876372]

Is C11 only for businesses, or also for houses under construction?

No. Users report C11 also serves single‑family houses before occupancy. This resembles the former temporary construction supply. That does not make you a business customer. [Elektroda, Leon444, post #17880509]

How expensive are the fixed charges on C11?

Expect significant fixed costs for contracted power on C11. One user called them "huge charges." Right‑size contracted power during construction to contain cost. [Elektroda, Leon444, post #17876319]

Do I need a new meter to change from C11 to G11?

In one PGE case, no physical meter swap was required. The utility changed the configuration remotely. The owner then saw settlement continue on the new tariff. [Elektroda, Leon444, post #17877322]

Will my PV surplus transfer when I change tariffs?

Yes, in the reported PGE case. The produced energy carried into the next billing period after the change. The settlement then netted consumption under the new tariff. This matched the half‑year cycle. [Elektroda, Leon444, post #17877322]

What if I plan a ground‑mounted array during construction?

Ground‑mounted PV requires a permit, according to a moderator. Roof‑mounted systems avoid that extra approval. Plan early to prevent construction delays. [Elektroda, retrofood, post #17876372]

How do I switch from C11 to G11 and keep my PV credits?

Use this sequence.
  1. Request a change from C11 to G11 with your DSO.
  2. Provide occupancy or other required building documents.
  3. Confirm remote meter reprogramming and that surplus carries to the next period. In one PGE case, this process occurred remotely. [Elektroda, Leon444, post #17877322]

Can I get G11 during construction via a garage or outbuilding?

Ask your DSO which building categories qualify for G‑tariffs. A user reported getting G11 for a summer house without extra formalities. He suggested asking about a garage or outbuilding category. [Elektroda, ACCel, post #17875235]

Does the DSO influence switching speed or process?

Yes. A PGE user reported his meter was reprogrammed remotely during the change. Contact your BOK to confirm your utility’s steps and timelines. [Elektroda, Leon444, post #17877322]

Will I lose energy credits if I move to G12W instead of G11?

In a reported change to G11, produced energy was carried into the next period. Ask your DSO how they handle time‑of‑use settlement under G12W before switching. [Elektroda, Leon444, post #17877322]
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