Catalyst Cooperative
@catalyst.coop
We help #climate advocates, policymakers, & researchers working on the #EnergyTransition by liberating #OpenData about the US energy system using #Python based #DataEngineering
We're also a worker cooperative.
https://github.com/catalyst-cooperative
We're also a worker cooperative.
https://github.com/catalyst-cooperative
A new quarterly release of PUDL is available, v2025.11.0. Lots of final 2024 data from EIA, quarterly updates for EIA-930, EPA CEMS and other continuously updated sources. Plus the first EIA-176 natural gas tables, thanks to contributions from @switch.box #EnergySky
github.com/orgs/catalys...
github.com/orgs/catalys...
PUDL v2025.11.0 is available · catalyst-cooperative · Discussion #4767
Overview The November, 2025 release of PUDL is out! This is a quarterly PUDL data release, and includes final 2024 data for a number of annually reported EIA forms, as well as quarterly updates to ...
github.com
November 14, 2025 at 8:07 PM
A new quarterly release of PUDL is available, v2025.11.0. Lots of final 2024 data from EIA, quarterly updates for EIA-930, EPA CEMS and other continuously updated sources. Plus the first EIA-176 natural gas tables, thanks to contributions from @switch.box #EnergySky
github.com/orgs/catalys...
github.com/orgs/catalys...
We're finally going to integrate the billions of electricity transactions from FERC EQR into our open data offerings with support from GridLab. The first step will be to transform it into a bulk Parquet dataset, refreshed quarterly. We'd love to understand your EQR use-cases and pain points.
October 29, 2025 at 2:39 PM
We're finally going to integrate the billions of electricity transactions from FERC EQR into our open data offerings with support from GridLab. The first step will be to transform it into a bulk Parquet dataset, refreshed quarterly. We'd love to understand your EQR use-cases and pain points.
Reposted by Catalyst Cooperative
The ebook is free!
See below for the link. I am super stoked to be one of the people @amywestervelt.bsky.social interviews for the Drilled series on the book, our episode is coming up soon I believe.
See below for the link. I am super stoked to be one of the people @amywestervelt.bsky.social interviews for the Drilled series on the book, our episode is coming up soon I believe.
October 15, 2025 at 7:31 PM
The ebook is free!
See below for the link. I am super stoked to be one of the people @amywestervelt.bsky.social interviews for the Drilled series on the book, our episode is coming up soon I believe.
See below for the link. I am super stoked to be one of the people @amywestervelt.bsky.social interviews for the Drilled series on the book, our episode is coming up soon I believe.
Reposted by Catalyst Cooperative
Looking forward to getting my hands on a copy of this new entry in the Climate True Crime genre.
"Climate Obstruction: A Global Assessment"
The @drilledmedia.bsky.social series interviewing authors from each chapter is a great preview.
www.goodreads.com/book/show/23...
#Books #ClimateChange
"Climate Obstruction: A Global Assessment"
The @drilledmedia.bsky.social series interviewing authors from each chapter is a great preview.
www.goodreads.com/book/show/23...
#Books #ClimateChange
October 15, 2025 at 7:27 PM
Looking forward to getting my hands on a copy of this new entry in the Climate True Crime genre.
"Climate Obstruction: A Global Assessment"
The @drilledmedia.bsky.social series interviewing authors from each chapter is a great preview.
www.goodreads.com/book/show/23...
#Books #ClimateChange
"Climate Obstruction: A Global Assessment"
The @drilledmedia.bsky.social series interviewing authors from each chapter is a great preview.
www.goodreads.com/book/show/23...
#Books #ClimateChange
PUDL v2025.10.0 is out. It updates monthly EIA-860M data & also happens to include final EIA-860 data for 2024, newly integrated EIA-923 financial data (schedule 8B), and (finally!) PHMSA natural gas data. See the release notes for details #EnergySky
catalystcoop-pudl.readthedocs.io/en/latest/re...
catalystcoop-pudl.readthedocs.io/en/latest/re...
PUDL Release Notes - PUDL 2025.9.2.dev26+g16147ab.d20251014 documentation
catalystcoop-pudl.readthedocs.io
October 15, 2025 at 2:16 PM
PUDL v2025.10.0 is out. It updates monthly EIA-860M data & also happens to include final EIA-860 data for 2024, newly integrated EIA-923 financial data (schedule 8B), and (finally!) PHMSA natural gas data. See the release notes for details #EnergySky
catalystcoop-pudl.readthedocs.io/en/latest/re...
catalystcoop-pudl.readthedocs.io/en/latest/re...
@oetenergy.bsky.social @maxparzen.bsky.social we stumbled across your Awesome Electricity Demand repo and were wondering if you're open to secondary sources? We republish hourly EIA-930 & FERC-714 data as Parquet, including versions with outliers & gaps flagged & imputed.
github.com/open-energy-...
github.com/open-energy-...
GitHub - open-energy-transition/Awesome-Electricity-Demand: A curated collection of resources on hourly or sub-hourly electricity demand.
A curated collection of resources on hourly or sub-hourly electricity demand. - open-energy-transition/Awesome-Electricity-Demand
github.com
September 18, 2025 at 9:32 PM
@oetenergy.bsky.social @maxparzen.bsky.social we stumbled across your Awesome Electricity Demand repo and were wondering if you're open to secondary sources? We republish hourly EIA-930 & FERC-714 data as Parquet, including versions with outliers & gaps flagged & imputed.
github.com/open-energy-...
github.com/open-energy-...
Ah, @oetenergy.bsky.social is on here after all!
A new dashboard from Open Energy Transition, tracking the development and community activity of more than 200 different open source energy modeling projects. #EnergySky
openmod-tracker.org
openmod-tracker.org
Streamlit
openmod-tracker.org
September 18, 2025 at 2:49 PM
Ah, @oetenergy.bsky.social is on here after all!
A new dashboard from Open Energy Transition, tracking the development and community activity of more than 200 different open source energy modeling projects. #EnergySky
openmod-tracker.org
openmod-tracker.org
Streamlit
openmod-tracker.org
September 18, 2025 at 2:44 PM
A new dashboard from Open Energy Transition, tracking the development and community activity of more than 200 different open source energy modeling projects. #EnergySky
openmod-tracker.org
openmod-tracker.org
Ooh, much bigger addressable memory, which I think should make it easier to host live in-browser data science notebooks that do real work with @marimo.io or @jupyter.org and #pyiodide?
WASM 3.0 is released! And guess what gets a mention? @spritelyinst.bsky.social's Hoot! webassembly.org/news/2025-09...
Wasm 3.0 Completed - WebAssembly
WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the...
webassembly.org
September 17, 2025 at 7:59 PM
Ooh, much bigger addressable memory, which I think should make it easier to host live in-browser data science notebooks that do real work with @marimo.io or @jupyter.org and #pyiodide?
We're building PUDL usage metrics dashboards with @marimo.io and have been wondering how to differentiate @duckdb.org queries coming from our WASM-based web-app:
data.catalyst.coop
and folks using DuckDB directly.
data.catalyst.coop
and folks using DuckDB directly.
PUDL Data Dictionary
data.catalyst.coop
September 13, 2025 at 12:38 AM
We're building PUDL usage metrics dashboards with @marimo.io and have been wondering how to differentiate @duckdb.org queries coming from our WASM-based web-app:
data.catalyst.coop
and folks using DuckDB directly.
data.catalyst.coop
and folks using DuckDB directly.
Not exactly shocking, but definitely bad. Hopefully the hourly CEMS data keeps flowing.
www.nytimes.com/2025/09/12/c...
www.nytimes.com/2025/09/12/c...
www.nytimes.com
September 12, 2025 at 8:34 PM
Not exactly shocking, but definitely bad. Hopefully the hourly CEMS data keeps flowing.
www.nytimes.com/2025/09/12/c...
www.nytimes.com/2025/09/12/c...
The energy transition continues w/o the US. Insights from a new database (not yet public) tracking more than $200B of Chinese foreign direct investment in low-carbon energy manufacturing. #EnergySky
by @70sbachchan.bsky.social & @nzpolicylab.bsky.social
www.netzeropolicylab.com/china-green-...
by @70sbachchan.bsky.social & @nzpolicylab.bsky.social
www.netzeropolicylab.com/china-green-...
September 12, 2025 at 2:47 PM
The energy transition continues w/o the US. Insights from a new database (not yet public) tracking more than $200B of Chinese foreign direct investment in low-carbon energy manufacturing. #EnergySky
by @70sbachchan.bsky.social & @nzpolicylab.bsky.social
www.netzeropolicylab.com/china-green-...
by @70sbachchan.bsky.social & @nzpolicylab.bsky.social
www.netzeropolicylab.com/china-green-...
Gas turbine supply chains are booked out, and prices have risen dramatically as a result. Common grid modeling inputs like NREL ATB don't reflect the current reality. GridLab & Halcyon have compiled some up-to-date cost estimates here. #EnergySky
gridlab.org/portfolio-it...
gridlab.org/portfolio-it...
Gas Turbine Cost Report - GridLab
The capital costs for new gas combustion turbine (CT) and combined cycle gas turbine (CCGT) power plants in the United States have increased significantly in recent years. While anecdotes of these higher costs are becoming more common, the specific data isoften difficult to access. Much of the most current..
gridlab.org
September 11, 2025 at 2:47 PM
Gas turbine supply chains are booked out, and prices have risen dramatically as a result. Common grid modeling inputs like NREL ATB don't reflect the current reality. GridLab & Halcyon have compiled some up-to-date cost estimates here. #EnergySky
gridlab.org/portfolio-it...
gridlab.org/portfolio-it...
Nobody likes admitting they got phished, but it happens, and the speed and transparency of @duckdb.org's response here is admirable.
github.com/duckdb/duckd...
github.com/duckdb/duckd...
DuckDB NPM packages 1.3.3 and 1.29.2 compromised with malware
The DuckDB distribution for [Node.js](http://node.js/) on [npm](https://www.npmjs.com/) was compromised with malware (along with [several other packages](https://www.aikido.dev/blog/npm-debug-and-c...
github.com
September 10, 2025 at 6:06 PM
Nobody likes admitting they got phished, but it happens, and the speed and transparency of @duckdb.org's response here is admirable.
github.com/duckdb/duckd...
github.com/duckdb/duckd...
Hey #EnergySky we've retired our @datasette.io deployment (which was falling over with the volume of data we publish) and are re-using the domain for our new @duckdb.org + #Parquet + #WASM based data preview interface. Check it out and let us know if anything is broken:
data.catalyst.coop
data.catalyst.coop
PUDL Data Dictionary
data.catalyst.coop
September 10, 2025 at 5:40 PM
Hey #EnergySky we've retired our @datasette.io deployment (which was falling over with the volume of data we publish) and are re-using the domain for our new @duckdb.org + #Parquet + #WASM based data preview interface. Check it out and let us know if anything is broken:
data.catalyst.coop
data.catalyst.coop
Reposted by Catalyst Cooperative
We have a new monthly PUDL release out, with EIA-860M data up through July, and some other small tweaks. Announcement up here:
github.com/orgs/catalys...
#EnergySky #OpenData
github.com/orgs/catalys...
#EnergySky #OpenData
PUDL v2025.9.1 is available · catalyst-cooperative · Discussion #4600
This is a monthly release primarily focused on updating the EIA-860M, with other incremental changes coming along for the ride. Please drop a comment here or open a new discussion / issue if you fi...
github.com
September 8, 2025 at 4:57 PM
We have a new monthly PUDL release out, with EIA-860M data up through July, and some other small tweaks. Announcement up here:
github.com/orgs/catalys...
#EnergySky #OpenData
github.com/orgs/catalys...
#EnergySky #OpenData
"[T]he car is a luxury good. And the essence of luxury is that it cannot be democratized. If everyone can have luxury, no one gets any advantages from it."
www.resilience.org/stories/2018...
www.resilience.org/stories/2018...
September 7, 2025 at 1:00 AM
"[T]he car is a luxury good. And the essence of luxury is that it cannot be democratized. If everyone can have luxury, no one gets any advantages from it."
www.resilience.org/stories/2018...
www.resilience.org/stories/2018...
The 🐍 Python Documentary is a lot of fun* It's interesting to see how these sociotechnical systems evolve. And the weird hobbyist vs. megacorp dynamic.
*except for the part where it takes 26 years for the first woman become a core contributor. 👋 @mariatta.ca
www.youtube.com/watch?v=GfH4...
*except for the part where it takes 26 years for the first woman become a core contributor. 👋 @mariatta.ca
www.youtube.com/watch?v=GfH4...
Python: The Documentary | An origin story
YouTube video by CultRepo (formerly Honeypot)
www.youtube.com
September 4, 2025 at 11:17 PM
The 🐍 Python Documentary is a lot of fun* It's interesting to see how these sociotechnical systems evolve. And the weird hobbyist vs. megacorp dynamic.
*except for the part where it takes 26 years for the first woman become a core contributor. 👋 @mariatta.ca
www.youtube.com/watch?v=GfH4...
*except for the part where it takes 26 years for the first woman become a core contributor. 👋 @mariatta.ca
www.youtube.com/watch?v=GfH4...
Reposted by Catalyst Cooperative
NYers go tell Kathy to protect our future! publicpowerny.org/take-action/
September 4, 2025 at 7:24 PM
NYers go tell Kathy to protect our future! publicpowerny.org/take-action/
Thanks to @seerai.bsky.social for capturing a snapshot of many of the DHS HIFLD geospatial datasets before the system was decommissioned last week. You can browse it through their web interface here:
www.seer.ai/the-open-pla...
www.seer.ai/the-open-pla...
The Open Platform | SeerAI
Explore HIFLD and other public datasets in a clean, real-time map. Toggle layers, focus an AOI, and move fast.
www.seer.ai
September 4, 2025 at 9:30 PM
Thanks to @seerai.bsky.social for capturing a snapshot of many of the DHS HIFLD geospatial datasets before the system was decommissioned last week. You can browse it through their web interface here:
www.seer.ai/the-open-pla...
www.seer.ai/the-open-pla...
Next Wed. (9/10) we're piloting a new hands-on workshop on analyzing messy energy data, aimed at grad students and other researchers who have touched #Python, but want to learn more. If that's you, and you're up to give us feedback, register here! #EnergySky
www.eventbrite.com/e/open-energ...
www.eventbrite.com/e/open-energ...
Open Energy Data For All Pilot: Working With Messy Data
Piloting an interactive lesson about exploring messy data and creating a solid base to work from.
www.eventbrite.com
September 4, 2025 at 3:30 PM
Next Wed. (9/10) we're piloting a new hands-on workshop on analyzing messy energy data, aimed at grad students and other researchers who have touched #Python, but want to learn more. If that's you, and you're up to give us feedback, register here! #EnergySky
www.eventbrite.com/e/open-energ...
www.eventbrite.com/e/open-energ...
Reposted by Catalyst Cooperative
Just found out that EIA downscales annual generation to monthly at most hydro plants using a sample of surveyed plants. ORNL has a paper where they reconstruct monthly generation from 1980-2019 at plants >10MW using local proxies. #EnergySky
@catalyst.coop
www.nature.com/articles/s41...
@catalyst.coop
www.nature.com/articles/s41...
Forty-year hydropower generation reanalysis for Conterminous United States - Scientific Data
Scientific Data - Forty-year hydropower generation reanalysis for Conterminous United States
www.nature.com
September 3, 2025 at 6:50 PM
Just found out that EIA downscales annual generation to monthly at most hydro plants using a sample of surveyed plants. ORNL has a paper where they reconstruct monthly generation from 1980-2019 at plants >10MW using local proxies. #EnergySky
@catalyst.coop
www.nature.com/articles/s41...
@catalyst.coop
www.nature.com/articles/s41...
Hey, we have finally implemented a privacy policy for our online data viewer, and are starting to collect usage data. But not in a creepy way. Mostly we want to understand who looks at what data, so we can concentrate on making the right things better:
viewer.catalyst.coop/privacy-policy
viewer.catalyst.coop/privacy-policy
PUDL Viewer privacy policy
viewer.catalyst.coop
September 2, 2025 at 8:36 PM
Hey, we have finally implemented a privacy policy for our online data viewer, and are starting to collect usage data. But not in a creepy way. Mostly we want to understand who looks at what data, so we can concentrate on making the right things better:
viewer.catalyst.coop/privacy-policy
viewer.catalyst.coop/privacy-policy
Progress on distributing large scientific datasets via #BitTorrent and preservation via Lots of Copies Keeps Stuff Safe. This feature allows uploads and torrent modifications via a web interface, so you can participate even if your institution blocks BT #OpenData
blog.sciop.net/2025-08-29/w...
blog.sciop.net/2025-08-29/w...
The Modern Webseed
We have added the ability to add and validate webseeds to torrents from the website, so even if you can’t run a torrent client, you can join the swarm and keep endangered information alive.
blog.sciop.net
September 2, 2025 at 6:21 PM
Progress on distributing large scientific datasets via #BitTorrent and preservation via Lots of Copies Keeps Stuff Safe. This feature allows uploads and torrent modifications via a web interface, so you can participate even if your institution blocks BT #OpenData
blog.sciop.net/2025-08-29/w...
blog.sciop.net/2025-08-29/w...