PowerLines @powerlines.org Lowering utility bills. Modernizing utility regulation.
Kristine Stone @kristinestone.bsky.social SXM dj - Classic Rewind & The Spectrum CT/NY
Simon Mahan @simonmahan.bsky.social I'm here for the energy memes.
Danielle Fong @daniellefong.bsky.social ultralight power and energy, physics, ai, building in secret in public 
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
Simon Evans @drsimevans.carbonbrief.org Press Gazette energy & environment journalist of the year 2022
Highly commended:
Society of Editors 2025
Shortlisted:
Press Awards 2025
Press Gazette 2025
AOP 2025
Deputy Ed + Snr Policy Ed, Carbon Brief
simon.evans@carbonbrief.org
Bill McKibben @billmckibben.bsky.social Founder 350.org and Third Act, author The Crucial Years on substack https://billmckibben.substack.com/
Author of 21 books, beginning with The End of Nature
Julia Simon @juliaradio.bsky.social NPR's Energy and Climate Solutions Correspondent
SF by way of Nigeria, Indonesia, and Egypt • 🇳🇬🇮🇩🇪🇬
For tips my Signal juliaradio.33
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Peter Gleick @petergleick.bsky.social Climate, water, birds, bluegrass mandolin. Member US National Academy of Sciences, MacArthur Fellow, Carl Sagan Prize, author of The Three Ages of Water (2023) and When the Well Runs Dry (2026). Email me at pgleick (at) gmail.
David Weiskopf believes in you @dave.bzky.team If a box on a curb with "Free Meyer Lemons" written on it were a guy
(personal account, obviously)
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
Andrea Thompson @andreatweather.bsky.social Senior Desk Editor for Life Sciences at Scientific American, covering earth and the environment. (she/her) Posts are entirely my own and not reflective of my employer. Email: andrea.thompson@sciam.com Signal: @AndreaT.95
Ramez Naam @ramez.bsky.social Author of the Nexus trilogy. Climate tech investor, author, and activist. Optimistic about the future. 
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Sara Sneath @sarasneath.bsky.social Reporting on climate justice for the Guardian US. Past: Journalist-in-residence at University of Miami’s Climate Accountability Lab. Big fan of bike rides | she/her | https://sneathfreelance.com
Jenny Chase @solarchase.bsky.social Solar and clean power analyst at BloombergNEF, goose keeper. Author of a book, "Solar Power Finance Without the Jargon". Opinions all my own.
Brad Plumer @bradplumer.bsky.social Reporter, NYT Climate.
email: brad.plumer@nytimes.com
signal: bradplumer.54
Kevin J. Kircher @kevinjkircher.com Engineering prof (mechanical + electrical) at a big Midwest state school. Energy, climate, buildings, power grid, control, optimization, data science. He/him. Personal account. https://kevinjkircher.com/ Email: my last name at purdue dot edu
Michael Grunwald @mikegrunwald.bsky.social Author of WE ARE EATING THE EARTH https://www.amazon.com/We-Are-Eating-Earth-Climate/dp/1982160071 & THE SWAMP https://www.amazon.com/Swamp-Everglades-Florida-Politics-Paradise/dp/0743251075/ NYT contributor. Annoyed Floridian. michaelgrunwaldbooks.com
Dr Grace S Peng @gspeng.bsky.social Same interdisciplinary scientist as on the other sites with the same handle. Chemistry, math, physics, meteorology, GIS, data whisperer.
Natural resources director, League of Women Voters of Los Angeles Co. She/Her
https://badmomgoodmom.blogspot.com/
Grid Status @gridstatus.io https://www.gridstatus.io/live
Allison Good @allisonwgood.bsky.social Platts senior energy finance reporter in the DC area covering power and renewables. Opinions mine.
🐈: Tipitina
Tips? Message me on Signal at allison.823
https://www.spglobal.com/marketintelligence
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
Chris Nelder @chrisnelder.bsky.social Creator and Host of:
Transition Times and Nelder Notes: @TransitionTimes.bsky.social
Energy Transition Show: @TransitionShow.bsky.social
Energy writer/podcaster/analyst/speaker
Home: www.ChrisNelder.com
Josh Macey @joshuamacey.bsky.social Law Professor at Yale. Energy, climate, finreg, bankruptcy, and regulation. 
Emil Dimanchev @emildimanchev.bsky.social Interdisciplinary scientist working on energy systems and climate policy. Postdoc at Princeton ZERO Lab. Research Affiliate at MIT CEEPR. Consulting for Good Judgment. 0th-gen immigrant. Writings: dimanchev.com.
Joshua Basseches @joshuabasseches.bsky.social Renewable energy and climate politics and policy. Assistant Professor at Case Western Reserve University. Author of Owning The Green Grid (MIT Press). More at joshuabasseches.com
Catie Hausman @catiehausman.bsky.social Environmental & Energy Economist | Professor at the University of Michigan 🏳️🌈
Views are not those of my employer
www-personal.umich.edu/~chausman/
Silvio Marcacci @silviomarcacci.bsky.social Senior Director of Communications, @energyinnovation.org. Board Advisor, @theicct.org + @co2bc.bsky.social. Tired dad.
Rage, rage against the dying of the light.
Michael Liebreich @mliebreich.bsky.social Host @CleaningUpPod. CEO Liebreich Associates. Managing Partner Ecopragma Capital. Founder, Contributor @BloombergNEF. Ex Board TfL, Board of Trade. Olympian. Don't message me - I'm not prepared to give away personal data to prove my age. Srsly BlueSky!
Aarne Granlund @aarnegranlund.eurosky.social Sufficiency, climate work, and river restoration in Finnish North Karelia. I fly fish, hike, and ski. e-MTB pilled. Rural. Left in politics.
Robert McSweeney @rtmcswee.carbonbrief.org Senior Science Editor at Carbon Brief, with a fondness for baking and Arsenal FC. All opinions are my own, however dull they might be.
Noah Kaufman @noahqkaufman.bsky.social Climate economist. Opinions are my own.
Robert Llewellyn @bobbyllew.bsky.social Born at 314 ppm CO2. (We are now at 427.8 ppm CO2)
Founder and presenter on the Everything Electric Shows.
That bloke from Red Dwarf and Scrapheap Challenge.
Info@unitedagents.co.uk
Katie Mummah @nuclearkatie.com Nuclear engineer. nuclear: reactors, history, waste, nonproliferation, space, humor. "Tells uranium's life story". Lives in New Mexico. UW-Madison, UIUC alum. Outdoors when I'm not working. Views mine alone, like/rt not endorsements. she/her
David Hsu @dhsu.bsky.social Professor studying cities, infrastructure, climate, energy, long bike rides, the Boston Celtics, & the drop serve. Personal account representing only me. Likes, reposts ≠ endorsements.
Joshua D. Rhodes @joshdr83.bsky.social Energy | Research Scientist @utaustin.bsky.social & @columbiauniversity.bsky.social | CTO @ideasmithsLLC | Electric Commissioner @austintexasgov | husband | dad | views my own
Ari Peskoe @aripeskoe.bsky.social Director of the Electricity Law Initiative at Harvard Law. 
Kyri Baker @kyrib.bsky.social engineering professor @ University of Colorado
power systems optimization AND power lifting
"energy as a personality" -my wife
<3 cats, playing guitar/bass/drums, rock/metal, fitness, video games, taking stuff apart. Views =my own and not my employer's
sonia aggarwal @soniaaggarwal.bsky.social @energyinnovation.bsky.social
Javier Blas @javierblas.bsky.social Energy and commodities columnist at Bloomberg. Co-author of the 'The World for Sale' http://amzn.to/3t6dVJV Any views expressed are my own. jblas3@bloomberg.net
Rob Gramlich @robgramlichdc.bsky.social #Transmission and power markets for low cost decarbonization. #EnergySky
Energy Markets & Planning at Berkeley Lab @berkeleylabemp.bsky.social The Energy Markets & Planning (EMP) department at Berkeley Lab inspires and informs impactful solutions to existing and emerging global energy challenges through objective and timely research and technical assistance. emp.lbl.gov
Jonathan Koomey @jgkoomey.bsky.social Climate solutions, information technology, critical thinking skills. Born at 318 ppm. https://www.koomey.com
Connor @waldoch.bsky.social founder / markets / strategy @ gridstatus.io
Energy and other stuff. Some coding, some reading. Graphs and maps, birds and sports
Robbie Orvis @robbieorvis.bsky.social Senior Director, Modeling and Analysis
@energyinnovation.bsky.social. Working to help deploy clean energy technologies, drive down costs , and cut greenhouse gas emissions through smart and innovative policy. Posts are my own.
Michael Thomas @michael-thomas.bsky.social I write stories and make videos about climate change.
Subscribe to the Distilled newsletter and YouTube channel here: http://linktr.ee/distilled.earth
Justin Gundlach @justingundlach.bsky.social General Counsel & Director of Research at The Future of Heat Initiative. Previously a senior advisor at New York's Department of Public Service. NYC denizen.
That electrified lamp in the picture used to burn gas.
Harris Berton @harrisberton.bsky.social Climate dad, Canadian energy policy nerd. I post about energy technologies and how we can use them to stop climate change. Views my own. #energysky
Ben Serrurier @serrurier.bsky.social I like hot rocks and a cool climate. I run policy for Fervo Energy. These posts don't even represent me.
Dr. Adam Stein @astein.bsky.social Energy, Risk, Sustainability, Interdisciplinary Research, Father.
Director of Nuclear Energy Innovation at the Breakthrough Institute
Alum. Carnegie Mellon EPP
Brendon Slotterback @bslotterback.bsky.social Decarbonization. Likes charts. Helping philanthropy and government advance clean energy. PGH🌲 🚲
Ed Crooks @edcrooks.bsky.social Covering everything in energy and natural resources for Wood Mackenzie. Host of The Energy Gang podcast
Andrew Gelston @agelston.bsky.social Energy Professional, Storage. Entropy arbitrageur.
Personal Account. Weaponized Curiosity, with vibes
Core Values:
https://youtu.be/-hDPK865N9I&t=57s
&
http://youtu.be/tHPHy2cvDOA&t=34s
&
http://youtu.be/x5rh8NNLHV0&t=28s
Jessica Lovering @lovering.bsky.social Researching the future of nuclear in Sweden at Uppsala University. Senior Fellow w/ Nuclear Innovation Alliance; Fellow w/ Energy For Growth Hub; PhD in Engineering & Public Policy from Carnegie Mellon.
https://jlovering.substack.com/
Doug Lewin @douglewin.bsky.social ⚡ Energy Expert
🎙 Host: Energy Capital Podcast
📜 Author: Texas Energy & Power Newsletter
🌎 Founder of Stoic Energy
www.douglewin.com
Ben Paulos @paulosanalysis.com Consulting on energy policy, technology and trends at http://PaulosAnalysis.com. Affiliated with the Incentive Finder (govcentives.com), Ava Community Energy, Clean Energy States Alliance, and @solarunitedneighbors.org but posts are my own.
Mike O'Boyle @oboylemm.bsky.social Sr. Director, Electricity Policy at Energy Innovation
Jeff St John @jeffstjohn.bsky.social Chief reporter at Canary Media, energy transition believer, holder of faith in truth, justice, and the inherent goodness of my fellow human beings. Parent of Lily the Corgi.
Auke Hoekstra @aukehoekstra.bsky.social Sharing hope and debunking FUD against electric vehicles and renewable energy. Director NEONresearch.nl @TUeindhoven Founder Zenmo.com.
John Arnold @johnarnoldfndtn.bsky.social Co-Chair, Arnold Ventures
John Smillie @johnsmillie42.bsky.social Husband, father, dog owner, hiker, climate action advocate, amateur energy nerd, heat pump evangelist, audiobook enthusiast. Chalant, yet gruntled.
Gniewomir Flis @gnievchenko.bsky.social Emerging technologies, industrial decarbonisation & hydrogen enjoyer
Jacob Mays @jacobmays.bsky.social Assistant Professor, Cornell Civil and Environmental Engineering, working on energy systems and decision making under uncertainty. Tweeting in a personal capacity.
Charles Yang @charlesxjyang.bsky.social Currently:
🏭building industrialstrategy.org
✝️theology at Gordon conwell
🥑RVA YIMBY founder
Previously: AI&supply chain at DOE, ML Engineer at Sambanova Systems, ARPA-E
charlesyang.io
#EnergySky
Michael Noble @nobleideas.bsky.social Advisor to industry, government and philanthropy on deploying climate solutions at speed and scale of the climate crisis. NobleIdeas LLC, Saint Paul, MN.
Speaker Melissa Hortman and me celebrating MN’s 100% clean electricity standard.
Claire Wayner @cwayner.bsky.social #energytwitter fan coming to #EnergySky for a higher quality feed. Senior Associate at RMI working on transmission and interconnection policy reform. Views my own.
Wilson Ricks @wilsonar.bsky.social PhD candidate working in Macro-Energy Systems modeling at Princeton University. Energy tech/policy evaluation, with a primary focus on next-gen geothermal.
CeCe Coffey @cececoffey.bsky.social FERC nerd hooked on energy law. Penn Law & CELI alumna. Proud Princeton 🐅. Spare time split between water polo, skiing, and #energysky
Ryan Van Velzer @ryanvanvelzer.bsky.social Managing editor of collaboratives at Louisville Public Media: Kentucky Public Radio and the Appalachia+Mid-South Newsroom: 7 NPR stations across Ky., W. Va. and Tenn. Based out of Louisville, Ky. Young Author's Greenhouse Board. Mass shooting survivor
Brian Bartholomew @bpbartholomew.bsky.social Power markets, batteries, niche memes. Grid modeling and analysis at Merit Order Energy. Living in NY 🗽
Jeff Dennis @energylawjeff.bsky.social Electricity grid, wholesale power markets, energy and environmental law and policy nerd. I’ve worked at places in DC. Immediate Past Chair of ABA Section of Environment, Energy, and Resources. Dog enthusiast.
James Hewett @jameshewett.bsky.social Power Sector Policy - Breakthrough Energy
Transmission is Beautiful
Bang Screw
Ric O'Connell @ricoconnell.bsky.social ED of GridLab dot org. Clean=reliable. Earnest cyclist. 
Michael Giberson @giberson.bsky.social Electric power regulation, policy, and economics. Political economy. Price gouging in ethics and economics.
Avi Zevin @azevin.bsky.social energy and climate law and policy. Partner at Roselle LLP (www.rosellellp.com). Until recently: Special Assistant to the President for Clean Energy Implementation, before that Deputy GC at US Department of Energy. in a band (currently on hiatus).
Leilani Münter @leilanimunter.bsky.social Small herbivore from America living in New Zealand. Spending my brief time on Earth trying to save the wild things. I used to drive race cars.
David Wuepper @davidwuepper.bsky.social Professor and Head of Land Economics Group at Uni Bonn (@land-economics.bsky.social)
Website: https://www.ilr1.uni-bonn.de/en/research/research-groups/land-economics
Google Scholar: https://scholar.google.com/citations?user=3p-CJ1IAAAAJ&hl=de&oi=ao
Mark Nelson @energybants.bsky.social Managing Director at Radiant Energy Group
Daniel Tait @taitdl.bsky.social Utility watchdog. Clean energy advocate. Tips, leads, and leaks welcome. DM for Signal. Based in Huntsville, AL.
Jason Burwen @jburwen.bsky.social Energy storage, power markets, clean energy transition, & public policy are my jam. VP Policy & Strategy at GridStor. Appreciator of fine memes, TILs on history and science, and think pieces on generative AI.
Catherine Morehouse @cmorehouse.bsky.social PowerLines Communications Manager. catherine@powerlines.org. Previously: POLITICO power grid reporter. Minnesotan.
Miles Farmer @mfarmer.bsky.social clean energy policy, strategy, and law
Seaver Wang @wang-seaver.bsky.social Director, Climate and Energy at the Breakthrough Institute. 王思維. He/him. Oceanographer turned solution seeker. Ecomodernism is the way. PhD in Earth and Ocean Sciences.
Drew Smithee @drewsmithee.bsky.social Former IRP, Current lurker. Here to check out the kinder, quieter, #EnergyTwitter, that's been missing from my life lately. 🔌💡
Colin McKerracher @colinmckerracher.bsky.social I manage the Clean Transport & Energy Storage analyst teams at BloombergNEF. Posts about EVs, charging, batteries, clean fuels, aviation, shipping and more. Opinions are my own.
Ben Norris @bennorris.bsky.social General Counsel & Senior Vice President of Regulatory Affairs, Solar Energy Industries Association. Personal account, views my own, etc.- N . @nathanenergy.bsky.social It's a me
Chloé Farand @chloefarand.bsky.social Freelance climate reporter & editor | Editor of a series on cleantech supply chains for Climate Home News | Tracking mineral governance | French & British | Based in Oxford, UK
Portfolio: https://authory.com/ChloeFarand
Mary Anne Hitt @maryannehitt.bsky.social Climate strategist. Formerly Beyond Coal, Sierra Club, Appalachian Voices. Co-host of No Place Like Home podcast. Contributor to anthologies All We Can Save, Not Too Late, Patagonia's Tools for Grassroots Activists. Musician. Mountain mama. Go Vols.
Paul Dockery @pauldockery.bsky.social Market Strategy & Governance @ California ISO. MSc in Energy Systems student @ Oxford. electric service enthusiast. macro energy system researcher. electric sector practitioner.
Caroline Spears @spears.bsky.social Support clean energy champions at www.ClimateCabinet.org. This is my personal account.
Commercial Solar Guy @commercialsolarguy.com Solar (tech/finance/project) news.
Solar Installations: commercialsolarguy.com
Writer: https://pv-magazine-usa.com/people-companies/john-fitzgerald-weaver/
Professional: linkedin.com/in/johnfitzgeraldweaver
Born 336.74
Cambridge, MA, USA, Earth, Today
Erik Nordman @eriknordman.bsky.social Director, Institute of Public Utilities @ Michigan State University & Associate Professor of Agricultural, Food, & Resource Economics • Author: The Uncommon Knowledge of Elinor Ostrom • Fulbrighter (Kenya) • #EnergySky • Views my own
Maria Robinson @mariarobinson.bsky.social Currently: Hitachi Energy, all opinions my own!
Before: running the Grid Deployment Office at Dept of Energy, #mapoli State Representative, recovering consultant
Always: energy nerd, theatre goer, coffee drinker, knitting enthusiast
Kyle Davis @kyledavis.bsky.social Sr Director Federal Affairs at the Clean Energy Buyers Association (Washington, DC). Formally, Enel, Berkshire Hathaway Energy, Edison International, and South Coast AQMD. Posts are my own.