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Welcome to the PyPSA mailing list!

This is a mailing list for users of the PyPSA ecosystem.

http://pypsa.org/

It is meant primarily to announce relevant information about changes to the software and to ask general questions about the software.

In case of code-related questions, please post on stack overflow.
For non-programming-related and more general questions, please refer to the mailing list.
To discuss with other PyPSA users, organise projects, share news, and contact the community, you can use the Discord server: https://discord.gg/JTdvaEBb.
For bugs and feature requests, please use the issue tracker.
We strongly welcome anyone interested in providing contributions to this project. If you have any ideas or suggestions or encounter problems, feel invited to file issues or make pull requests on Github.

The contents of this Google group are publicly available; members can see other members but not their email addresses.

0 selected

Álvaro Porras Cabrera, … Benedikt Hümmer (bhuemmer)6

Apr 25

Unable to run snake on cmd

Hi, according to this issue the bug was fixed 2 days ago. Using the new snakemake minimal (

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Unable to run snake on cmd

Hi, according to this issue the bug was fixed 2 days ago. Using the new snakemake minimal (

Apr 25

Jacob Mannhardt, Fabian Hofmann3

Apr 25

Slow model construction with linopy 0.3 (not pypsa)

Hey Jacob, I might have found something, but not sure. First (but this might be clear), looping over

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Slow model construction with linopy 0.3 (not pypsa)

Hey Jacob, I might have found something, but not sure. First (but this might be clear), looping over

Apr 25

Apr 24

Regarding Harmonics

Hi, Can we do harmonic analysis (THD), followed by the optimal load flow analysis in PyPSA?. Can we

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Regarding Harmonics

Hi, Can we do harmonic analysis (THD), followed by the optimal load flow analysis in PyPSA?. Can we

Apr 24

Maude CHIN CHOI, … Luke Wilmes4

Apr 23

Error in linear optimal power flow with pyomo

I have pypsa version 0.23.0 and pyomo version 6.4 and receive a similar error: AttributeError

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Error in linear optimal power flow with pyomo

I have pypsa version 0.23.0 and pyomo version 6.4 and receive a similar error: AttributeError

Apr 23

May Thet Htar, Fabian Neumann5

Apr 22

Spinning Reserve Constraint

https://pypsa.readthedocs.io/en/latest/examples/optimization-with-linopy-migrate-extra-

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Spinning Reserve Constraint

https://pypsa.readthedocs.io/en/latest/examples/optimization-with-linopy-migrate-extra-

Apr 22

Apr 20

RES Curtailment reduction using energy storage unit

import pypsa import pandas as pd import numpy as np import matplotlib.pyplot as plt network = pypsa.

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RES Curtailment reduction using energy storage unit

import pypsa import pandas as pd import numpy as np import matplotlib.pyplot as plt network = pypsa.

Apr 20

Matthew Dumlao, … Fabian Neumann6

Apr 20

Inquiry about capex() and opex() in pypsa.statistics

Hi Sophie, If you need a custom solution, that n.statistics() does not provide, you can revert to

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Inquiry about capex() and opex() in pypsa.statistics

Hi Sophie, If you need a custom solution, that n.statistics() does not provide, you can revert to

Apr 20

gktho...@gmail.com, … bsch...@gmail.com6

Apr 19

[atlite] Apply atlite to weather forecast data to create wind/solar generation forecasts

Hi Bruno, Sounds very interesting, but unfortunately I have not been able to find the data on the

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[atlite] Apply atlite to weather forecast data to create wind/solar generation forecasts

Hi Bruno, Sounds very interesting, but unfortunately I have not been able to find the data on the

Apr 19

Lukas Menholt, Iegor Riepin2

Apr 17

Marginal price with limited links

Dear Lukas, it seems that your question refers to the theory of Congestion Pricing. Put simply, If

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Marginal price with limited links

Dear Lukas, it seems that your question refers to the theory of Congestion Pricing. Put simply, If

Apr 17

cecilia rorai, Matthew Smith2

Apr 12

imposing a CO2 cap through the co2limit parameter doe not seem to work

Hi Cecilia, This tutorial here by Dr. Fabian Neumann is a very useful resource. Introduction to pypsa

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imposing a CO2 cap through the co2limit parameter doe not seem to work

Hi Cecilia, This tutorial here by Dr. Fabian Neumann is a very useful resource. Introduction to pypsa

Apr 12

Apr 10

Best approach to multi-horizon transmission expansion in multiple years

Hi All We have a multi-horizon case where we would like to expand the transmission capacity over a

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Best approach to multi-horizon transmission expansion in multiple years

Hi All We have a multi-horizon case where we would like to expand the transmission capacity over a

Apr 10

Apr 8

Refineries emissions

Dear community, I am looking into the details of refinery emissions. Refinery emissions are included

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Refineries emissions

Dear community, I am looking into the details of refinery emissions. Refinery emissions are included

Apr 8

Agnès François

Apr 8

Unit commitment status error

Good morning everybody, I am running a big PyPSA system, and my initial purpose is to optimise an

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Unit commitment status error

Good morning everybody, I am running a big PyPSA system, and my initial purpose is to optimise an

Apr 8

Apr 6

PyPSA-Eur snakemake Error in rule build_renewable_profiles

The code just above the rule exception error is as follows: INFO:__main__:correction_factor is set as

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PyPSA-Eur snakemake Error in rule build_renewable_profiles

The code just above the rule exception error is as follows: INFO:__main__:correction_factor is set as

Apr 6

Apr 4

I seem to have bypased my roblems with the sudo chmod -R 0777 . && sudo chown user:user .

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I seem to have bypased my roblems with the sudo chmod -R 0777 . && sudo chown user:user .

Apr 4

Trina Som, adrienne de bazelaire2

Apr 3

Regarding Objective Function

Hi Trina, Are you using optimize() function or the iterative version ? Do you see any expansion /

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Regarding Objective Function

Hi Trina, Are you using optimize() function or the iterative version ? Do you see any expansion /

Apr 3

Apr 3

2nd PyPSA User Meeting on May 27, 2024: 3 pm - 6 pm (CEST)

Do you sometimes wonder who else uses your favourite open-source energy modelling tools, and what

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2nd PyPSA User Meeting on May 27, 2024: 3 pm - 6 pm (CEST)

Do you sometimes wonder who else uses your favourite open-source energy modelling tools, and what

Apr 3

Mar 27

Customized cost assumptions

Hi, I'm trying to run an optimization with customized cost assumptions. I've read some of the

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Customized cost assumptions

Hi, I'm trying to run an optimization with customized cost assumptions. I've read some of the

Mar 27

Jessica Guichard, Frank Meissner2

Mar 26

Varying efficiency

Hi Jessica, Eventually you can find a potential solution based on this UC formulation (see 2.2.1-2.2.

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Varying efficiency

Hi Jessica, Eventually you can find a potential solution based on this UC formulation (see 2.2.1-2.2.

Mar 26

DR Mohammed Riadh Habour

Mar 25

Constraint on component store

Hi everybody I would like to set up a constraint for battery store, to make the minimum of SOC at

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Constraint on component store

Hi everybody I would like to set up a constraint for battery store, to make the minimum of SOC at

Mar 25

Gwendolyn Campbell

Mar 25

Network artefacts not saving correctly and non-sensible results arising

Dear PyPSA users, I am running two networks with the following properties: Network 1 (small network):

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Network artefacts not saving correctly and non-sensible results arising

Dear PyPSA users, I am running two networks with the following properties: Network 1 (small network):

Mar 25

Tom Brown, … Fabian Hofmann4

Mar 25

PyPSA modelling for China

Dear Tuo, thank you for your reply. Regarding the mulit-horizon optimization, I would strongly

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PyPSA modelling for China

Dear Tuo, thank you for your reply. Regarding the mulit-horizon optimization, I would strongly

Mar 25

Peter Klein, Alexandre Nève2

Mar 25

Reasonable assumptions for capacity credits of battery storage

Hello Peter, I'm seeing this quite late but considering 100% for a battery does not seem right,

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Reasonable assumptions for capacity credits of battery storage

Hello Peter, I'm seeing this quite late but considering 100% for a battery does not seem right,

Mar 25

Matthew Smith, Tom Adams3

Mar 19

How to capture infeasible optimisation error

Hi Thomas, Thanks, that seems to be the best solution. For posterity, 'm.status' will return

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How to capture infeasible optimisation error

Hi Thomas, Thanks, that seems to be the best solution. For posterity, 'm.status' will return

Mar 19

C DD, Tom Adams5

Mar 19

wrong marginal prices after optimization?

Hi Tom, Thank you for clarifying this. I understand it better now with this example. My other

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wrong marginal prices after optimization?

Hi Tom, Thank you for clarifying this. I understand it better now with this example. My other

Mar 19

Santiago De Felipe García, Fabian Neumann4

Mar 18

Issue with Pypsa optimization parallelization

Hi: Ok, I think I will try other parallelization methods in order to save time in the simulations.

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Issue with Pypsa optimization parallelization

Hi: Ok, I think I will try other parallelization methods in order to save time in the simulations.

Mar 18

Matteo De Felice, Fabian Neumann3

Mar 17

ERA 2023 data for modellers

If we agree on a data structure, I can rerun my scripts (and share them to github) to create a

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ERA 2023 data for modellers

If we agree on a data structure, I can rerun my scripts (and share them to github) to create a

Mar 17

adrienne de bazelaire, … Fabian Neumann4

Mar 17

Multi-horizon and transmission_expansion_cost_limit

Hi Adrienne, I think it won't hurt to have the constraint weighted by the investment period

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Multi-horizon and transmission_expansion_cost_limit

Hi Adrienne, I think it won't hurt to have the constraint weighted by the investment period

Mar 17

Mar 15

Estimating demand headroom

Dear all, I am trying to estimate the demand headroom in a network by attaching storage units that

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Estimating demand headroom

Dear all, I am trying to estimate the demand headroom in a network by attaching storage units that

Mar 15

Tom Adams, Alexandre Nève3

Mar 13

Strange behaviour of links under negative prices

Thanks Alexandre, Your solution worked - adding constraints to prevent two parallel but opposing

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Strange behaviour of links under negative prices

Thanks Alexandre, Your solution worked - adding constraints to prevent two parallel but opposing

Mar 13

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