PyPSA / PyPSA/pypsa-eur

Make simplification of network deterministic

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Dominant language
Python
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614
Forks
459
Avg merge
4d 14h
Merged PRs (30d)
6

Description

The simplification of the network currently is not fully deterministic - we've experienced it now twice that the simplification yielded different results.

The effect is that runs are not always reproducible and it can introduce runaway components that are not supposed to exist (or be allocated to different buses).

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No file or test is named in the issue. Locate the network-simplification entry point, reproduce the differing results, and compare repeated runs; done means simplification produces identical results across runs without the reported runaway or misallocated components.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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