[GH-ISSUE #442] Chaos in hours in the Dayahead prices #267

New Issue

sascha_hemi · 2026-03-20T17:28:26+01:00

sascha_hemi commented

2026-03-20 17:28:26 +01:00

Originally created by @dr3as on GitHub (Feb 22, 2025).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/442

Describe the bug

When using the dayahead prices on my tags, i get a strange error. In the bottom of the graf is says the hours, and it starts right with f.eks 12-14-16 etc, but after 22 it goes 0-8-16-0-8-16-0-8-16-0

To Reproduce
Steps to reproduce the behavior:

Use the dayahead on a tag
Wait until you have the price for two days, instead of hours in the bottom it just repeats 0-8-16-0

Expected behavior
A few days ago this was working as intended.

Screenshots

Originally created by @dr3as on GitHub (Feb 22, 2025). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/442 **Describe the bug** When using the dayahead prices on my tags, i get a strange error. In the bottom of the graf is says the hours, and it starts right with f.eks 12-14-16 etc, but after 22 it goes 0-8-16-0-8-16-0-8-16-0 **To Reproduce** Steps to reproduce the behavior: 1. Use the dayahead on a tag 2. Wait until you have the price for two days, instead of hours in the bottom it just repeats 0-8-16-0 **Expected behavior** A few days ago this was working as intended. **Screenshots** ![Image](https://github.com/user-attachments/assets/c884fd4b-1ed1-414c-a678-65941c86b214)

sascha_hemi added the bug label 2026-03-20 17:28:26 +01:00

sascha_hemi closed this issue

2026-03-20 17:28:26 +01:00

sascha_hemi commented

2026-03-20 17:28:27 +01:00

@nlimper commented on GitHub (Feb 22, 2025):

Those times are returned by the api call to ENTSOE. They regularly have disruptions, and also some countries are switching to 15 minute timeframes instead of hourly, but I don’t know how that change will look.
See https://newtransparency.entsoe.eu/news?id=67b72ba9fc0da26e7b5fbce4 for the status page.
The problem will resolve by itself most of the time. If not, let me know, so we can reopen this issue and I will have a detailed look. In that case, also tell which country it involves.

@nlimper commented on GitHub (Feb 22, 2025): Those times are returned by the api call to ENTSOE. They regularly have disruptions, and also some countries are switching to 15 minute timeframes instead of hourly, but I don’t know how that change will look. See https://newtransparency.entsoe.eu/news?id=67b72ba9fc0da26e7b5fbce4 for the status page. The problem will resolve by itself most of the time. If not, let me know, so we can reopen this issue and I will have a detailed look. In that case, also tell which country it involves.

sascha_hemi commented

2026-03-20 17:28:27 +01:00

@dr3as commented on GitHub (Feb 25, 2025):

This is still a issue. Country is Norway, zone is NO1.

The prices looks to be right, it is the hours and the line showing the current hour that is wrong.

@dr3as commented on GitHub (Feb 25, 2025): This is still a issue. Country is Norway, zone is NO1. The prices looks to be right, it is the hours and the line showing the current hour that is wrong.

sascha_hemi commented

2026-03-20 17:28:27 +01:00

@nlimper commented on GitHub (Feb 25, 2025):

The returned data is changed: it indicates an interval of 15 minute instead of 1 hour, but only every 4th value is returned so in effect it's still hourly... I will fix the google apps script to handle this.

<Publication_MarketDocument xmlns="urn:iec62325.351:tc57wg16:451-3:publicationdocument:7:3">
<mRID>9d44250bd267482687c1c2fa82718017</mRID>
<revisionNumber>1</revisionNumber>
<type>A44</type>
<sender_MarketParticipant.mRID codingScheme="A01">10X1001A1001A450</sender_MarketParticipant.mRID>
<sender_MarketParticipant.marketRole.type>A32</sender_MarketParticipant.marketRole.type>
<receiver_MarketParticipant.mRID codingScheme="A01">10X1001A1001A450</receiver_MarketParticipant.mRID>
<receiver_MarketParticipant.marketRole.type>A33</receiver_MarketParticipant.marketRole.type>
<createdDateTime>2025-02-25T10:07:33Z</createdDateTime>
<period.timeInterval>
<start>2025-02-24T23:00Z</start>
<end>2025-02-25T23:00Z</end>
</period.timeInterval>
<TimeSeries>
<mRID>1</mRID>
<auction.type>A01</auction.type>
<businessType>A62</businessType>
<in_Domain.mRID codingScheme="A01">10YNO-1--------2</in_Domain.mRID>
<out_Domain.mRID codingScheme="A01">10YNO-1--------2</out_Domain.mRID>
<contract_MarketAgreement.type>A01</contract_MarketAgreement.type>
<currency_Unit.name>EUR</currency_Unit.name>
<price_Measure_Unit.name>MWH</price_Measure_Unit.name>
<curveType>A03</curveType>
<Period>
<timeInterval>
<start>2025-02-24T23:00Z</start>
<end>2025-02-25T23:00Z</end>
</timeInterval>
<resolution>PT15M</resolution>
<Point>
<position>1</position>
<price.amount>38.83</price.amount>
</Point>
<Point>
<position>5</position>
<price.amount>42.99</price.amount>
</Point>
<Point>
<position>9</position>
<price.amount>39.36</price.amount>
</Point>
<Point>
<position>13</position>
<price.amount>36.94</price.amount>
</Point>
<Point>
<position>17</position>
<price.amount>35.16</price.amount>
</Point>
<Point>
<position>21</position>
<price.amount>46.76</price.amount>
</Point>
<Point>
<position>25</position>
<price.amount>49.29</price.amount>
</Point>
<Point>
<position>29</position>
<price.amount>51.45</price.amount>
</Point>
<Point>
<position>33</position>
<price.amount>52.68</price.amount>
</Point>
<Point>
<position>37</position>
<price.amount>53.72</price.amount>
</Point>
<Point>
<position>41</position>
<price.amount>53.33</price.amount>
</Point>
<Point>
<position>45</position>
<price.amount>52.37</price.amount>
</Point>
<Point>
<position>49</position>
<price.amount>51.75</price.amount>
</Point>
<Point>
<position>53</position>
<price.amount>51.51</price.amount>
</Point>
<Point>
<position>57</position>
<price.amount>51.63</price.amount>
</Point>
<Point>
<position>61</position>
<price.amount>52.35</price.amount>
</Point>
<Point>
<position>65</position>
<price.amount>55.81</price.amount>
</Point>
<Point>
<position>69</position>
<price.amount>55.7</price.amount>
</Point>
<Point>
<position>73</position>
<price.amount>55.57</price.amount>
</Point>
<Point>
<position>77</position>
<price.amount>53.13</price.amount>
</Point>
<Point>
<position>81</position>
<price.amount>53.7</price.amount>
</Point>
<Point>
<position>85</position>
<price.amount>51.69</price.amount>
</Point>
<Point>
<position>89</position>
<price.amount>50.12</price.amount>
</Point>
<Point>
<position>93</position>
<price.amount>49.9</price.amount>
</Point>
</Period>
</TimeSeries>
</Publication_MarketDocument>

@nlimper commented on GitHub (Feb 25, 2025): The returned data is changed: it indicates an interval of 15 minute instead of 1 hour, but only every 4th value is returned so in effect it's still hourly... I will fix the google apps script to handle this. ``` <Publication_MarketDocument xmlns="urn:iec62325.351:tc57wg16:451-3:publicationdocument:7:3"> <mRID>9d44250bd267482687c1c2fa82718017</mRID> <revisionNumber>1</revisionNumber> <type>A44</type> <sender_MarketParticipant.mRID codingScheme="A01">10X1001A1001A450</sender_MarketParticipant.mRID> <sender_MarketParticipant.marketRole.type>A32</sender_MarketParticipant.marketRole.type> <receiver_MarketParticipant.mRID codingScheme="A01">10X1001A1001A450</receiver_MarketParticipant.mRID> <receiver_MarketParticipant.marketRole.type>A33</receiver_MarketParticipant.marketRole.type> <createdDateTime>2025-02-25T10:07:33Z</createdDateTime> <period.timeInterval> <start>2025-02-24T23:00Z</start> <end>2025-02-25T23:00Z</end> </period.timeInterval> <TimeSeries> <mRID>1</mRID> <auction.type>A01</auction.type> <businessType>A62</businessType> <in_Domain.mRID codingScheme="A01">10YNO-1--------2</in_Domain.mRID> <out_Domain.mRID codingScheme="A01">10YNO-1--------2</out_Domain.mRID> <contract_MarketAgreement.type>A01</contract_MarketAgreement.type> <currency_Unit.name>EUR</currency_Unit.name> <price_Measure_Unit.name>MWH</price_Measure_Unit.name> <curveType>A03</curveType> <Period> <timeInterval> <start>2025-02-24T23:00Z</start> <end>2025-02-25T23:00Z</end> </timeInterval> <resolution>PT15M</resolution> <Point> <position>1</position> <price.amount>38.83</price.amount> </Point> <Point> <position>5</position> <price.amount>42.99</price.amount> </Point> <Point> <position>9</position> <price.amount>39.36</price.amount> </Point> <Point> <position>13</position> <price.amount>36.94</price.amount> </Point> <Point> <position>17</position> <price.amount>35.16</price.amount> </Point> <Point> <position>21</position> <price.amount>46.76</price.amount> </Point> <Point> <position>25</position> <price.amount>49.29</price.amount> </Point> <Point> <position>29</position> <price.amount>51.45</price.amount> </Point> <Point> <position>33</position> <price.amount>52.68</price.amount> </Point> <Point> <position>37</position> <price.amount>53.72</price.amount> </Point> <Point> <position>41</position> <price.amount>53.33</price.amount> </Point> <Point> <position>45</position> <price.amount>52.37</price.amount> </Point> <Point> <position>49</position> <price.amount>51.75</price.amount> </Point> <Point> <position>53</position> <price.amount>51.51</price.amount> </Point> <Point> <position>57</position> <price.amount>51.63</price.amount> </Point> <Point> <position>61</position> <price.amount>52.35</price.amount> </Point> <Point> <position>65</position> <price.amount>55.81</price.amount> </Point> <Point> <position>69</position> <price.amount>55.7</price.amount> </Point> <Point> <position>73</position> <price.amount>55.57</price.amount> </Point> <Point> <position>77</position> <price.amount>53.13</price.amount> </Point> <Point> <position>81</position> <price.amount>53.7</price.amount> </Point> <Point> <position>85</position> <price.amount>51.69</price.amount> </Point> <Point> <position>89</position> <price.amount>50.12</price.amount> </Point> <Point> <position>93</position> <price.amount>49.9</price.amount> </Point> </Period> </TimeSeries> </Publication_MarketDocument> ```

sascha_hemi commented

2026-03-20 17:28:28 +01:00

@nlimper commented on GitHub (Feb 25, 2025):

google apps script script fixed, no firmware update needed.

@nlimper commented on GitHub (Feb 25, 2025): google apps script script fixed, no firmware update needed.

sascha_hemi commented

2026-03-20 17:28:28 +01:00

@TylonHH commented on GitHub (Jan 24, 2026):

can the interval be set to 4 or something? 5 hrs is really odd, altought its starts with 10-16

optional question to cheap block hours: in the settings it says "Number of hours for cheapest consecutive block (e.g., 3 for dishwasher, 2.5 for 2h30m). Set to 0 to disable. Shows up to 2 non-overlapping blocks."
In my screen I only see one. How do I see two blocks?

@TylonHH commented on GitHub (Jan 24, 2026): can the interval be set to 4 or something? 5 hrs is really odd, altought its starts with 10-16 <img width="384" height="184" alt="Image" src="https://github.com/user-attachments/assets/9ab2135d-b565-4a14-ade8-33965a60ac03" /> optional question to `cheap block hours`: in the settings it says "Number of hours for cheapest consecutive block (e.g., 3 for dishwasher, 2.5 for 2h30m). Set to 0 to disable. Shows up to 2 non-overlapping blocks." In my screen I only see one. How do I see two blocks?

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