Open Energy Transition
@oetenergy.bsky.social
A non-profit software company aiming for fast and reliable energy transition globally.
We empower energy planners and decision-makers with energy transition studies, flexible open-source platforms, and expert training and support.
We empower energy planners and decision-makers with energy transition studies, flexible open-source platforms, and expert training and support.
Why use OSS in your energy planning? Open modeling is great for creating high-quality policy designs, supporting strategic goals, and accelerating the energy transition.
👉 Try the Open Energy Modelling Tool Tracker openmod-tracker.org or contact us on how open-source can support your next project.
👉 Try the Open Energy Modelling Tool Tracker openmod-tracker.org or contact us on how open-source can support your next project.
November 28, 2025 at 10:06 AM
Why use OSS in your energy planning? Open modeling is great for creating high-quality policy designs, supporting strategic goals, and accelerating the energy transition.
👉 Try the Open Energy Modelling Tool Tracker openmod-tracker.org or contact us on how open-source can support your next project.
👉 Try the Open Energy Modelling Tool Tracker openmod-tracker.org or contact us on how open-source can support your next project.
⚡ New monthly free PyPSA support sessions for European transmission system operators ⚡Get hands-on help to accelerate your PyPSA projects and exchange best practices in a network for TSOs working with PyPSA.
🔗 Register here to book your free support session: openenergytransition.org/tso-support....
🔗 Register here to book your free support session: openenergytransition.org/tso-support....
November 19, 2025 at 10:46 AM
⚡ New monthly free PyPSA support sessions for European transmission system operators ⚡Get hands-on help to accelerate your PyPSA projects and exchange best practices in a network for TSOs working with PyPSA.
🔗 Register here to book your free support session: openenergytransition.org/tso-support....
🔗 Register here to book your free support session: openenergytransition.org/tso-support....
More Coverage, New Partners, and Upcoming Talks by the #MapYourGrid Team (including us).
The project’s aim is to increase #OpenStreetMap coverage of the electricity grid while maintaining high data quality.
Huge thanks to everyone!
mapyourgrid.org/
#OpenSource #OpenData #EnergyPlanning
The project’s aim is to increase #OpenStreetMap coverage of the electricity grid while maintaining high data quality.
Huge thanks to everyone!
mapyourgrid.org/
#OpenSource #OpenData #EnergyPlanning
November 11, 2025 at 3:50 PM
More Coverage, New Partners, and Upcoming Talks by the #MapYourGrid Team (including us).
The project’s aim is to increase #OpenStreetMap coverage of the electricity grid while maintaining high data quality.
Huge thanks to everyone!
mapyourgrid.org/
#OpenSource #OpenData #EnergyPlanning
The project’s aim is to increase #OpenStreetMap coverage of the electricity grid while maintaining high data quality.
Huge thanks to everyone!
mapyourgrid.org/
#OpenSource #OpenData #EnergyPlanning
Open-TYNDP v0.3 is out! Together with ENTSO-E, we’re building a complementary, open-source workflow to Europe’s TYNDP — integrating Scenario Building & market simulation part of CBA in one model for transparent, data-driven energy planning.
💡See updates: open-tyndp.readthedocs.io/en/latest/re...
💡See updates: open-tyndp.readthedocs.io/en/latest/re...
October 30, 2025 at 11:17 AM
Open-TYNDP v0.3 is out! Together with ENTSO-E, we’re building a complementary, open-source workflow to Europe’s TYNDP — integrating Scenario Building & market simulation part of CBA in one model for transparent, data-driven energy planning.
💡See updates: open-tyndp.readthedocs.io/en/latest/re...
💡See updates: open-tyndp.readthedocs.io/en/latest/re...
#OpenSource & #OpenData take the stage in two webinars with IEEE OAU Student Branch, Nigeria! Two of our colleagues are speaking.
Nov 8: #OpenStreetMap & #MapYourGrid.
Nov 15: #PyPSA & PyPSA-Earth for #EnergyPlanning.
🔗 Sign up at (for students and you): docs.google.com/forms/d/e/1F...
Nov 8: #OpenStreetMap & #MapYourGrid.
Nov 15: #PyPSA & PyPSA-Earth for #EnergyPlanning.
🔗 Sign up at (for students and you): docs.google.com/forms/d/e/1F...
October 29, 2025 at 2:39 PM
#OpenSource & #OpenData take the stage in two webinars with IEEE OAU Student Branch, Nigeria! Two of our colleagues are speaking.
Nov 8: #OpenStreetMap & #MapYourGrid.
Nov 15: #PyPSA & PyPSA-Earth for #EnergyPlanning.
🔗 Sign up at (for students and you): docs.google.com/forms/d/e/1F...
Nov 8: #OpenStreetMap & #MapYourGrid.
Nov 15: #PyPSA & PyPSA-Earth for #EnergyPlanning.
🔗 Sign up at (for students and you): docs.google.com/forms/d/e/1F...
Great to connect with so many at the 25th ASEAN Energy Business Forum! We’re building partnerships to advance open-source #EnergyPlanning with #PyPSA-ASEAN, supporting policymakers, grid operators & researchers across SE Asia. Let’s enhance ASEAN’s sustainable energy future together! ⚡🌏 #OpenSource
October 22, 2025 at 9:43 AM
Great to connect with so many at the 25th ASEAN Energy Business Forum! We’re building partnerships to advance open-source #EnergyPlanning with #PyPSA-ASEAN, supporting policymakers, grid operators & researchers across SE Asia. Let’s enhance ASEAN’s sustainable energy future together! ⚡🌏 #OpenSource
Our Head of Research & Market Development, Harry van der Weijde, will be speaking in a session on open energy modeling at #INFORMS2025 in Atlanta next week! Find the session at MC29 - Open Energy Modeling, October 27, at 1:15pm.
Are you in Atlanta? Reach out to Harry on email for a chat ⚡
Are you in Atlanta? Reach out to Harry on email for a chat ⚡
October 21, 2025 at 8:12 AM
Our Head of Research & Market Development, Harry van der Weijde, will be speaking in a session on open energy modeling at #INFORMS2025 in Atlanta next week! Find the session at MC29 - Open Energy Modeling, October 27, at 1:15pm.
Are you in Atlanta? Reach out to Harry on email for a chat ⚡
Are you in Atlanta? Reach out to Harry on email for a chat ⚡
Is Latin America ready to add innovative open-source tools to its energy planning practice? 🌎⚡ Our CEO and LATEM team joined OLADE’s Energy Week in Santiago - and there was indeed interest in open tools for grid planning. If you are in Latin America, let's collaborate! #EnergyTransition #OpenSource
October 16, 2025 at 4:51 PM
Is Latin America ready to add innovative open-source tools to its energy planning practice? 🌎⚡ Our CEO and LATEM team joined OLADE’s Energy Week in Santiago - and there was indeed interest in open tools for grid planning. If you are in Latin America, let's collaborate! #EnergyTransition #OpenSource
We’ve started a collaboration with the National Energy System Operator (NESO)! We’ll be contributing to this initiative with:
🔹 Replicating commercial tool capabilities
🔹 Comprehensive security risk assessment
🔹 Stakeholder engagement and collaboration
🔗 openenergytransition.org/projects.html
🔹 Replicating commercial tool capabilities
🔹 Comprehensive security risk assessment
🔹 Stakeholder engagement and collaboration
🔗 openenergytransition.org/projects.html
October 10, 2025 at 9:48 AM
We’ve started a collaboration with the National Energy System Operator (NESO)! We’ll be contributing to this initiative with:
🔹 Replicating commercial tool capabilities
🔹 Comprehensive security risk assessment
🔹 Stakeholder engagement and collaboration
🔗 openenergytransition.org/projects.html
🔹 Replicating commercial tool capabilities
🔹 Comprehensive security risk assessment
🔹 Stakeholder engagement and collaboration
🔗 openenergytransition.org/projects.html
Open Energy Modelling Tool Tracker (beta) is live! 200+ open-source tools for transparent energy planning. Compare tools by popularity, activity & community. Filter by category, stars, downloads & more.
👉 openmod-tracker.org
#OpenSource #FreeTheModels #EnergyPlanning
👉 openmod-tracker.org
#OpenSource #FreeTheModels #EnergyPlanning
September 22, 2025 at 12:59 PM
Open Energy Modelling Tool Tracker (beta) is live! 200+ open-source tools for transparent energy planning. Compare tools by popularity, activity & community. Filter by category, stars, downloads & more.
👉 openmod-tracker.org
#OpenSource #FreeTheModels #EnergyPlanning
👉 openmod-tracker.org
#OpenSource #FreeTheModels #EnergyPlanning
Heading to Climate Week NYC (Sep 21–28)! Our co-founder and CEO, Maximilian Parzen, is excited to connect with you on #OpenSource , grid tools, expanding grid datasets & transforming global #EnergyPlanning.
In NYC too? Let’s meet & spark ideas! ✨ Reach out to @maxparzen.bsky.social
In NYC too? Let’s meet & spark ideas! ✨ Reach out to @maxparzen.bsky.social
September 18, 2025 at 6:00 PM
Heading to Climate Week NYC (Sep 21–28)! Our co-founder and CEO, Maximilian Parzen, is excited to connect with you on #OpenSource , grid tools, expanding grid datasets & transforming global #EnergyPlanning.
In NYC too? Let’s meet & spark ideas! ✨ Reach out to @maxparzen.bsky.social
In NYC too? Let’s meet & spark ideas! ✨ Reach out to @maxparzen.bsky.social
Free webinar today: ⚡ Commercial-Grade Open-Source Software for Energy Planning with 6 lightning talks (#PyPSA + #PowSyBl) + a panel debate.
900+ signed up—join us! 📷 eventbrite.com/e/1542212321...
See the program here: forum.openmod.org/t/webinar-co...
#Webinar #OpenSource #EnergyPlanning
900+ signed up—join us! 📷 eventbrite.com/e/1542212321...
See the program here: forum.openmod.org/t/webinar-co...
#Webinar #OpenSource #EnergyPlanning
September 18, 2025 at 10:14 AM
Free webinar today: ⚡ Commercial-Grade Open-Source Software for Energy Planning with 6 lightning talks (#PyPSA + #PowSyBl) + a panel debate.
900+ signed up—join us! 📷 eventbrite.com/e/1542212321...
See the program here: forum.openmod.org/t/webinar-co...
#Webinar #OpenSource #EnergyPlanning
900+ signed up—join us! 📷 eventbrite.com/e/1542212321...
See the program here: forum.openmod.org/t/webinar-co...
#Webinar #OpenSource #EnergyPlanning
We’re hiring! Help drive open-source solutions for the global #EnergyTransition. Roles open: Designer, Executive Assistant, Operations Assistant & DevOps Engineer.
Apply here 👉 job-boards.eu.greenh...
Apply here 👉 job-boards.eu.greenh...
September 15, 2025 at 2:01 PM
We’re hiring! Help drive open-source solutions for the global #EnergyTransition. Roles open: Designer, Executive Assistant, Operations Assistant & DevOps Engineer.
Apply here 👉 job-boards.eu.greenh...
Apply here 👉 job-boards.eu.greenh...
How interested are grid planners in #OpenSource software solutions? The number of registered participants at our upcoming webinar speaks for itself!
And the interest comes from across the #Energy ecosystem and 50+ countries.
👉 Join us:
www.eventbrite.com/e/webinar-co...
#freethemodels #Innovation
And the interest comes from across the #Energy ecosystem and 50+ countries.
👉 Join us:
www.eventbrite.com/e/webinar-co...
#freethemodels #Innovation
September 11, 2025 at 2:48 PM
How interested are grid planners in #OpenSource software solutions? The number of registered participants at our upcoming webinar speaks for itself!
And the interest comes from across the #Energy ecosystem and 50+ countries.
👉 Join us:
www.eventbrite.com/e/webinar-co...
#freethemodels #Innovation
And the interest comes from across the #Energy ecosystem and 50+ countries.
👉 Join us:
www.eventbrite.com/e/webinar-co...
#freethemodels #Innovation
⚡ Curated Global Electricity Demand Data! Since reliable, high-res electricity demand data is often scattered across sources or behind paywalls, we’ve made a centralized, open-source collection.
👉 Got data to share? Contribute here: github.com/open-ener...
👉 Got data to share? Contribute here: github.com/open-ener...
September 9, 2025 at 5:30 PM
⚡ Curated Global Electricity Demand Data! Since reliable, high-res electricity demand data is often scattered across sources or behind paywalls, we’ve made a centralized, open-source collection.
👉 Got data to share? Contribute here: github.com/open-ener...
👉 Got data to share? Contribute here: github.com/open-ener...
Why is the energy industry turning to open-source software? Join our free webinar incl. lightning talks on #PyPSA and #PowSyBl.
🎙️ Panel debate:
🔹 How can OSS meet reliability needs?
🔹 What makes OSS competitive?
🔹 How/why to get started & collaborate?
Sign up: www.eventbrite.com/e...
🎙️ Panel debate:
🔹 How can OSS meet reliability needs?
🔹 What makes OSS competitive?
🔹 How/why to get started & collaborate?
Sign up: www.eventbrite.com/e...
September 3, 2025 at 1:01 PM
Why is the energy industry turning to open-source software? Join our free webinar incl. lightning talks on #PyPSA and #PowSyBl.
🎙️ Panel debate:
🔹 How can OSS meet reliability needs?
🔹 What makes OSS competitive?
🔹 How/why to get started & collaborate?
Sign up: www.eventbrite.com/e...
🎙️ Panel debate:
🔹 How can OSS meet reliability needs?
🔹 What makes OSS competitive?
🔹 How/why to get started & collaborate?
Sign up: www.eventbrite.com/e...
⚡ Help map the world’s electricity grid! #MapYourGrid trains new & experienced mappers in OpenStreetMap.
Next trainings: Sept 3 & 10. Join & support the #EnergyTransition 👉 mapyourgrid.org/map-it/ (meeting links) & discord.gg/a5znpdFWfD (Discord community)
Next trainings: Sept 3 & 10. Join & support the #EnergyTransition 👉 mapyourgrid.org/map-it/ (meeting links) & discord.gg/a5znpdFWfD (Discord community)
August 28, 2025 at 2:00 PM
⚡ Help map the world’s electricity grid! #MapYourGrid trains new & experienced mappers in OpenStreetMap.
Next trainings: Sept 3 & 10. Join & support the #EnergyTransition 👉 mapyourgrid.org/map-it/ (meeting links) & discord.gg/a5znpdFWfD (Discord community)
Next trainings: Sept 3 & 10. Join & support the #EnergyTransition 👉 mapyourgrid.org/map-it/ (meeting links) & discord.gg/a5znpdFWfD (Discord community)
FREE webinar: Commercial-Grade Open-Source Software for Energy Planning
Sept 18, 16-18:00 CEST | Online
PyPSA & PowSyBl for grid simulation. Panel + lightning talks from RTE, Artelys, ACER, Austrian Power Grid, TransnetBW
Register: www.eventbrite.com/e...
#OpenSource #EnergyModeling
Sept 18, 16-18:00 CEST | Online
PyPSA & PowSyBl for grid simulation. Panel + lightning talks from RTE, Artelys, ACER, Austrian Power Grid, TransnetBW
Register: www.eventbrite.com/e...
#OpenSource #EnergyModeling
August 26, 2025 at 9:00 AM
FREE webinar: Commercial-Grade Open-Source Software for Energy Planning
Sept 18, 16-18:00 CEST | Online
PyPSA & PowSyBl for grid simulation. Panel + lightning talks from RTE, Artelys, ACER, Austrian Power Grid, TransnetBW
Register: www.eventbrite.com/e...
#OpenSource #EnergyModeling
Sept 18, 16-18:00 CEST | Online
PyPSA & PowSyBl for grid simulation. Panel + lightning talks from RTE, Artelys, ACER, Austrian Power Grid, TransnetBW
Register: www.eventbrite.com/e...
#OpenSource #EnergyModeling
⚡ It's not just renewables — it's system integration. We asked our Head of Energy System Modeling Dr. Martha Frysztacki about emerging trends and challenges of modeling future grids. This is what she said: www.linkedin.com/feed/update/...
#EnergyTransition #OpenSource #EnergyModeling #freethemodels
#EnergyTransition #OpenSource #EnergyModeling #freethemodels
August 1, 2025 at 6:12 AM
⚡ It's not just renewables — it's system integration. We asked our Head of Energy System Modeling Dr. Martha Frysztacki about emerging trends and challenges of modeling future grids. This is what she said: www.linkedin.com/feed/update/...
#EnergyTransition #OpenSource #EnergyModeling #freethemodels
#EnergyTransition #OpenSource #EnergyModeling #freethemodels
OSS project Open-TYNDP is now in v0.2 and under active development. The new enhancements: Offshore Infrastructure Integration, PECD v3.1 Capacity Factors (offshore wind farms), Hydrogen Import Modeling & Electricity Demand Integration.
🔗 Open-source repository on GitHub: github.com/open-ener...
🔗 Open-source repository on GitHub: github.com/open-ener...
July 25, 2025 at 7:09 AM
OSS project Open-TYNDP is now in v0.2 and under active development. The new enhancements: Offshore Infrastructure Integration, PECD v3.1 Capacity Factors (offshore wind farms), Hydrogen Import Modeling & Electricity Demand Integration.
🔗 Open-source repository on GitHub: github.com/open-ener...
🔗 Open-source repository on GitHub: github.com/open-ener...
James Glynn @drglynn.bsky.social (ESMA_Ltd) tested #OpenEnergyBenchmark — an open-source benchmark of optimization #solvers from energy planning. Mixing open & proprietary with smart filters. Join & contribute!
Thank you for insights, James.
🔗 openenergybenchmark.org
#EnergyModeling #OpenSource
Thank you for insights, James.
🔗 openenergybenchmark.org
#EnergyModeling #OpenSource
July 15, 2025 at 1:04 PM
James Glynn @drglynn.bsky.social (ESMA_Ltd) tested #OpenEnergyBenchmark — an open-source benchmark of optimization #solvers from energy planning. Mixing open & proprietary with smart filters. Join & contribute!
Thank you for insights, James.
🔗 openenergybenchmark.org
#EnergyModeling #OpenSource
Thank you for insights, James.
🔗 openenergybenchmark.org
#EnergyModeling #OpenSource
New tool for modelers&solver devs! The Open Energy Benchmark lets you compare 5 OSS & commercial LP/MILP solvers across more model framework, enhancing speed, scale, transparency of the energy transition.
🔗 More at openenergybenchmark.org
#OpenSource #EnergyModeling #Benchmarking #EnergyTransition
🔗 More at openenergybenchmark.org
#OpenSource #EnergyModeling #Benchmarking #EnergyTransition
June 24, 2025 at 10:00 AM
New tool for modelers&solver devs! The Open Energy Benchmark lets you compare 5 OSS & commercial LP/MILP solvers across more model framework, enhancing speed, scale, transparency of the energy transition.
🔗 More at openenergybenchmark.org
#OpenSource #EnergyModeling #Benchmarking #EnergyTransition
🔗 More at openenergybenchmark.org
#OpenSource #EnergyModeling #Benchmarking #EnergyTransition
We joined the GCEP launch at the Latin America Energy Planning Summit—a big step toward transparent, evidence-based clean energy planning. Open models offer solutions to the issues raised for clean energy planning. Excited to see momentum building!
#CleanEnergy #OpenSource #GCEP #EnergyPlanning
#CleanEnergy #OpenSource #GCEP #EnergyPlanning
June 11, 2025 at 12:00 PM
We joined the GCEP launch at the Latin America Energy Planning Summit—a big step toward transparent, evidence-based clean energy planning. Open models offer solutions to the issues raised for clean energy planning. Excited to see momentum building!
#CleanEnergy #OpenSource #GCEP #EnergyPlanning
#CleanEnergy #OpenSource #GCEP #EnergyPlanning
🌍 PowerNetZero v1.0 maps preliminary energy data for 9 countries. We want to scale up & seek partners to expand globally, validate with stakeholders & go beyond electricity. Join us!
🔗 powernetzero.org
🔗 github.com/open-ener...
#EnergyTransition #CleanEnergy #OpenSource
🔗 powernetzero.org
🔗 github.com/open-ener...
#EnergyTransition #CleanEnergy #OpenSource
June 6, 2025 at 9:00 AM
🌍 PowerNetZero v1.0 maps preliminary energy data for 9 countries. We want to scale up & seek partners to expand globally, validate with stakeholders & go beyond electricity. Join us!
🔗 powernetzero.org
🔗 github.com/open-ener...
#EnergyTransition #CleanEnergy #OpenSource
🔗 powernetzero.org
🔗 github.com/open-ener...
#EnergyTransition #CleanEnergy #OpenSource
We did a #PowerMarkets Modelling w/ #OpenSource course in Johannesburg! 35 energy pros from 6 countries learned PyPSA.
Some takeaways:
📌 Open-source democratizing energy planning
📌 Local capacity growing strong
Thanks @InternationalCentreHydropower & @HansBredesen! 🙏
#EnergyModeling #Africa
Some takeaways:
📌 Open-source democratizing energy planning
📌 Local capacity growing strong
Thanks @InternationalCentreHydropower & @HansBredesen! 🙏
#EnergyModeling #Africa
June 5, 2025 at 3:30 PM
We did a #PowerMarkets Modelling w/ #OpenSource course in Johannesburg! 35 energy pros from 6 countries learned PyPSA.
Some takeaways:
📌 Open-source democratizing energy planning
📌 Local capacity growing strong
Thanks @InternationalCentreHydropower & @HansBredesen! 🙏
#EnergyModeling #Africa
Some takeaways:
📌 Open-source democratizing energy planning
📌 Local capacity growing strong
Thanks @InternationalCentreHydropower & @HansBredesen! 🙏
#EnergyModeling #Africa