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Search Results
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Thread: Open-source Python companion for TIMES workflows (early release, feedback welcome)
Post: RE: Open-source Python companion for TIMES workflo...
| I downloaded the code, ran the "pip install ..." command (seemed ok), and then tried the test command suggested:
> pytest tests/ -v
The result was:
'pytest' is not recognized as an internal or exter... |
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Antti-L |
Suggestions
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7 |
213 |
17-04-2026, 05:22 PM |
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Thread: Unexpected Regions (MINRNW and IMPEXP) and Missing Attributes after Synchronization
Post: RE: Unexpected Regions (MINRNW and IMPEXP) and Mis...
| Looks like your questions are related to VEDA and not TIMES as such.
Nonetheless, I had a quick look, and I confirm the strangeness of the situation:
• In Browse, the Region panel shows REG1, MINRNW... |
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Antti-L |
TIMES
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2 |
637 |
11-02-2026, 06:32 PM |
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Thread: Idle storage, charging and discharging in the same timeslice
Post: RE: Idle storage, charging and discharging in the ...
| Ah... I missed that it was a thermal storage, but that doesn't change my comments. Anyway, I think the amounts look large enough to affect the optimal solution (if the heat has a positive price), and... |
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Antti-L |
TIMES
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4 |
4,351 |
24-09-2025, 02:37 PM |
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Thread: Idle storage, charging and discharging in the same timeslice
Post: RE: Idle storage, charging and discharging in the ...
| > Has anybody seen this before?
Yes, it is relatively common, and so nothing too unusual about it.
But of course, due to the storage losses such would not happen unless either 1) the electricity h... |
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Antti-L |
TIMES
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4 |
4,351 |
24-09-2025, 02:07 PM |
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Thread: CAP_NEW discounting?
Post: RE: CAP_NEW discounting?
| > LUMPINV is shown in the period in that the construction starts (e.g. one period before the period of commissioning year)
No. LUMPINV and INSTCAP are reported for the commissioning period. The vint... |
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Antti-L |
TIMES
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2 |
11,772 |
31-03-2025, 08:44 PM |
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Thread: Trade process modeling
Post: RE: Trade process modeling
| > I noticed that when bi-directional power transmission is modeled in the EU-TIMES model, the same area is defined once in reg1 and once in reg2. Do I still need to define this process twice when I ha... |
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Antti-L |
TIMES
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3 |
7,070 |
06-01-2025, 12:58 AM |
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Thread: Change carbon content of energy carrier for different years
Post: RE: Change carbon content of energy carrier for di...
| Ok, I attach that picture (~FI_T: VDA_EMCB) here, hope you see it now:
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Antti-L |
TIMES
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6 |
11,464 |
09-12-2024, 01:35 AM |
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Thread: Change carbon content of energy carrier for different years
Post: RE: Change carbon content of energy carrier for di...
| Dear demar, as Amit pointed out, I meant to use VDA_EMCB, not COM_BNDNET.
For an example, see the following:
https://forum.kanors-emr.org/showthread.php?tid=482&pid=6652#pid6652
I hope you can ... |
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Antti-L |
TIMES
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6 |
11,464 |
09-12-2024, 12:46 AM |
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Thread: Change carbon content of energy carrier for different years
Post: RE: Change carbon content of energy carrier for di...
| Your problem appears to be a VEDA issue, and not TIMES.
I believe the VEDA ~COMEMI table generates TIMES VDA_EMCB attribute instances, but it is possible that VEDA does not support year indexes in COM... |
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Antti-L |
TIMES
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6 |
11,464 |
08-12-2024, 12:40 AM |
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Thread: Rough investigation: Open-source solver time and memory penalties
Post: RE: Rough investigation: Open-source solver time a...
| Indeed, it looks pretty good now!
One should now still check for the correctness of the model generated, if not yet checked. And perhaps put some more thought on how to best organize the code. But ... |
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Antti-L |
TIMES
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32 |
59,733 |
12-09-2024, 04:39 PM |
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Thread: Rough investigation: Open-source solver time and memory penalties
Post: RE: Rough investigation: Open-source solver time a...
| > The compilation time is a small part of the overall time at present, but it could seem significant e.g. if the goal is to get down to the 1 second ballpark. And since it can be eliminated it should ... |
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Antti-L |
TIMES
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32 |
59,733 |
10-09-2024, 06:02 PM |
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Thread: Rough investigation: Open-source solver time and memory penalties
Post: RE: Rough investigation: Open-source solver time a...
| Great, it is indeed very useful to see the times used by equation block.
Did you change something about the loading of data, as it seems to go much faster for you?
Get data: 0.126396 seconds (9... |
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Antti-L |
TIMES
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32 |
59,733 |
09-09-2024, 03:01 PM |
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Thread: Rough investigation: Open-source solver time and memory penalties
Post: RE: Rough investigation: Open-source solver time a...
| @Olex : Yes, it was already much better, on my computer the whole cycle took now about 35 secs:
Define sets: 0.071533 seconds (90.67 k allocations: 6.188 MiB, 35.27% gc time, 97.53% compilation time)... |
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Antti-L |
TIMES
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32 |
59,733 |
08-09-2024, 11:35 PM |
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Thread: Rough investigation: Open-source solver time and memory penalties
Post: RE: Rough investigation: Open-source solver time a...
| @Gary : Good to hear from you here as well!
> FYI, I've been in contact with IBM. Not so easy to find the right people but still trying. Goal is to see if they'd consider a special consideration for ... |
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Antti-L |
TIMES
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32 |
59,733 |
07-09-2024, 11:33 PM |
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Thread: Rough investigation: Open-source solver time and memory penalties
Post: RE: Rough investigation: Open-source solver time a...
| @Olex : I tried it now, with Julia v1.10.4, and it looked like it worked alright.
At first I thought you were using the PROTO model database for the bigger model, which I used for my Julia experiment... |
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Antti-L |
TIMES
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32 |
59,733 |
07-09-2024, 10:20 PM |
