The Brothers Green no longer own @complexly.org or @thecrashcourse.bsky.social. After 15 years of giving educational content away for free to hundreds of millions of learners, they gave the whole company away too. To a 501(c)3 non-profit. Nourishing the commons! 🍲 www.youtube.com/watch?v=WnG6...

New quarterly PUDL data release, v2026.5.0, notes up here: docs.catalyst.coop/pudl/en/v202... Sadly the EPA CEMS hourly emissions bulk data product we rely on doesn't seem to have been updated this quarter... so we're looking at other ways to pull the data. #EnergySky #OpenData

@catiehausman.bsky.social this well ownership/production/transfer dataset looks cool! We've recently started pulling more oil & gas data into PUDL and these state regulatory datasets seem like they could be a valuable addition. Will NBER publish the data? www.nber.org/system/files...

@robinsonmeyer.bsky.social It was fun to hear you and Dave yelling at the sky on @volts.wtf about the current hellscape. If any of the open US energy data we process is useful to you or Heatmap Pro, we'd love to see it supporting energy journalism. Docs up here: docs.catalyst.coop/pudl/en/nigh...

We've got a fresh data release, PUDL v2026.4.0 Release notes in our *shiny new docs* here: docs.catalyst.coop/pudl/en/v202... #EnergySky #OpenData

The world's electricity infrastructure, mapped.

Deep Agents is an open source project from LangChain to let anybody build their own model-agnostic agent harness (tools like Claude Code or Codex). Love that the mascot of their (proof-of-concept) CLI is a (presumably stochastic) parrot. 🦜 github.com/langchain-ai...

Wow. Last week a bunch of new people discovered our free, public FERC EQR Parquet dataset on S3. It details billions of US electricity transactions covering 2013Q3-2025Q4. They downloaded more than 2 TB of data. #EnergySky #OpenData #Electricity

Hi #EnergySky! Tomorrow's the deadline to apply for our data lab this summer - if you've been putting it off, please stop doing that and fill out an application!

Really good discussion between @squidfunk.com & @mkennedy.codes on @talkpython.fm about the origins, goals, and status of @zensical.org Looking forward to trying it out and looking at trying to migrate our docs from Sphinx once it is more fully baked. #Python #FOSS talkpython.fm/episodes/sho...

#EnergySky folks! There's a week left before the application deadline for our energy lab this August. Now is the time!

Interesting series of posts on the utility political, regulatory, & business model landscape, how & why they're failing to adapt, and how changing economics of DERs interact with the system. From the former CEO of Octopus Energy. #EnergySky distributedgrid.substack.com/p/the-utilit...

Catalyst member Kathryn Mazaitis will be at CMU Energy Week this week to connect with students and other potential PUDL data users. Come say hello! @costasamaras.com #EnergySky energy.cmu.edu/energy-week/...

We're developing some interactive, in-browser @marimo.io #DataViz notebooks in the PUDL Data Viewer. Definitely not ready for prime-time, but if you're up for some alpha testing, we'd love feedback. The first one lets you explore plant-level EIA data. #EnergySky data.catalyst.coop/secret-examp...

Hey #EnergySky we have a new monthly PUDL release v2026.3.0. We've *finally* gotten the last EIA-923 8 table (emissions controls) in. Also a *ton* of new Rural Utilities Service data from FOIA requests. Release notes: catalystcoop-pudl.readthedocs.io/en/nightly/r...

Some other examples of interesting #OpenData + #LLM applications... #AI

Gender Studies is the most vindicated academic field of all time

An agent skill for PUDL? /pudl In the open scratch notebook, read the EIA923 fuel receipts and costs table using polars, and make a plot in matplotlib that shows the average (mean) price of different fuel types, weighted by the total heat content of that fuel each month.

Man the USDA's Rural Utilities Service collects a lot of data. 29 new core tables pulled into PUDL based on FOIA requests, and still counting.

Man the USDA's Rural Utilities Service collects a lot of data. 29 new core tables pulled into PUDL based on FOIA requests, and still counting.

We're working on integrating last month's EIA-860M data and it's always fun to see the weird new plant names... 😻 yellow cat solar 🦈 landshark energy generation facility 🎸 kieffer funk

Daayum, did not realize how skewed battery storage deployment was The future is here, but *very* unevenly distributed. #EnergySky From GridLab's Storage Gap Report gridlab.org/portfolio-it...

Last year we launched a new funding model for our #OpenData products, recruiting support from institutional users to cover ongoing costs of updates and maintenance. We were successful despite US funding reversals and have posted our 1st PUDL annual report: catalyst.coop/2026/02/20/2... #EnergySky

Our monthly automated processing of @ferc.gov EQR data seems to be working. New Parquet outputs that run through 2025Q4 now available in S3. We've also integrated EQR into the PUDL Data Viewer, so you can browse before downloading: data.catalyst.coop/search?q=nam... #EnergySky #OpenData

Are you working on an #opendata and #AI project? Playing with portals, CKAN, MCP servers, LLMs, custom queries to get insights from databases? The community is eager to learn more! 👉🏾 Open Call for Demos: apply here until 6 March blog.okfn.org/the-future-o... #OpenDataDay #ODD26

#EnergyTwitter @publicenvirodata.bsky.social

The distribution system as art! #EnergyTwitter

Total daily uplift charges by ISO, from 2013Q3 through 2025Q3, based on @ferc.gov EQR data. It only takes 20 seconds to calculate from 5 billion records in Parquet! #OpenData #EnergySky #DataViz #Electricity

Hey #EnergySky! This summer we are organizing a 2-day energy data lab for early career researchers from August 11-12 at Georgia Tech. It will be a mix of tutorials, open lab time, and networking. Applications are due April 3 – for more info, see our blog post: bit.ly/catalyst-dat...

Hey #EnergySky we're running our 2nd annual open energy data ecosystem survey. We liberate this public data to serve the community of folks working on US decarbonization, and we can't meet your needs if we don't know what they are! It should only take ~10 minutes. forms.gle/E9ou5fgMcR7Y...

Catalyst's 2026 Energy Data Ecosystem Survey is now online! Don't worry, it's short (~10 minutes). Help us improve the future of PUDL by sharing the type of work you do, what’s important to you, and how you collaborate: forms.gle/E9ou5fgMcR7Y...

This Thurs (1/29) we're piloting a 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...

We've been running our data archiving scripts weekly since last spring, and this week the top level page for NREL's Electrification Futures Study seems to have gone down. Our last snapshot is from August, 2025 (there haven't been any changes since then) #EnergySky zenodo.org/records/1529...

We might have a draft of all 5 billion transactions up by the end of the year. #EnergySky

Our last PUDL data release of 2025 is out. It updates EIA-860M, includes more EIA-176 natural gas disposition data, and provides FERC's XBRL data in @duckdb.org format for the first time. #EnergySky github.com/orgs/catalys...

Hey #EnergySky we're experimenting with publishing our complete (but raw!) XBRL-derived @ferc.gov data via @duckdb.org so you can: ATTACH 's3://pudl.catalyst.coop/nightly/ferc1_xbrl.duckdb' AS ferc1_xbrl (READ_ONLY); SELECT * FROM ferc1_xbrl.transmission_lines_added_during_year_424_duration;

Hey #EnergySky we're experimenting with publishing our complete (but raw!) XBRL-derived @ferc.gov data via @duckdb.org so you can: ATTACH 's3://pudl.catalyst.coop/nightly/ferc1_xbrl.duckdb' AS ferc1_xbrl (READ_ONLY); SELECT * FROM ferc1_xbrl.transmission_lines_added_during_year_424_duration;

A short blog with some more details on our new project to create an analysis-friendly version of the huge @ferc.gov EQR electricity transaction dataset, with support from GridLab @ricoconnell.bsky.social #EnergySky #OpenData catalyst.coop/2025/11/17/c...

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...

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...

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.

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.

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

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...

@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-...

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

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.

Not exactly shocking, but definitely bad. Hopefully the hourly CEMS data keeps flowing. www.nytimes.com/2025/09/12/c...