Kieron Stopforth @KTStopforth
Flex @octopusenergy. Previously AMS, @bloombergNEF, HBS, @USUKFulbright Joined July 2010-
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As @NationalGridESO asks reserve coal units to warm again, here's a remarkable @OctopusEnergy chart showing effectiveness of the "demand flex service" It says just 400k customers collectively shifted 200MWh of electricity (ie 200MW plant not needed) What if everyone took part?
Great chart
Green recovery: Why energy efficiency matters energyfutureslab.blog/2020/07/09/gre… via @EnergyFuturesIC
Today, I’m happy to announce Powerhouse Ventures’ follow-on investment in Station A, the world’s first clean energy marketplace, alongside @SchneiderElec @SouthernCompany. Learn how @stationainc radically simplifies the way clean energy is bought & sold: linkedin.com/pulse/creating…
Congrats @stationainc! Really cool company
A pragmatic approach for climate change by @hal_harvey: identify and pressure the rulemakers. In one case, more efficient building codes were defeated with 1,000 votes cast out of 100,000 eligible voters
A pragmatic approach for climate change by @hal_harvey: identify and pressure the rulemakers. In one case, more efficient building codes were defeated with 1,000 votes cast out of 100,000 eligible voters
To recap the past month in #climatetech megadeals: - @nikolamotor SPAC & price spike - EV SPAC madness ensues! Fisker & Hyliion next up - @Rivian raises another $2.5b - @Sunrun/@VivintSolar merger (combined ~$9b EV) - @joinmosaic $280m solar securitization - @oatly $200m raise
Good piece by @JH_Ambrose in @guardian on @GRI_LSE report commissioned by @AldersgateGrp on strategy to put UK on track 4 durable economic recovery, incg how a national investment bank cd crowd in private investment twds hydrogen, CCS & low income regions: theguardian.com/environment/20…
New report from @AldersgateGrp arguing for inclusive, sustainable, resilient recovery. Investing in clean sectors has strong multiplier effects: both in short-term job creation for new infrastructure build and in long-run energy cost reduction for whole economy #RebuildingtoLast
New report from @AldersgateGrp arguing for inclusive, sustainable, resilient recovery. Investing in clean sectors has strong multiplier effects: both in short-term job creation for new infrastructure build and in long-run energy cost reduction for whole economy #RebuildingtoLast
The @ng_eso RIIO-2 Business Plan for 2021-23 is a surprisingly good read 😀 Some highlights: * New Control Centre architecture * A new data platform for all operational data * Digital Twin of the electricity system * Sharing data with the wider system nationalgrideso.com/document/15805…
We are delighted to announce that Zoox is teaming up with @amazon. We have made great strides in creating autonomous mobility from the ground up, and are excited to continue working with our exceptionally talented team to realize that vision. bit.ly/2BCh5fY
BREAKING: Jeff Bezos just announced Amazon has bought the rights to Seattle's former KeyArena. It will be called Climate Pledge Arena. He says: "We’re naming it Climate Pledge Arena as a regular reminder of the urgent need for climate action." #Q13FOX
Do you lead a #climatetech startup working on hard science, hardware, software or business model innovation? You have one week to apply for @Third_Deriv’s new global accelerator program. Get to be part of a powerful network of corporates and investors! third-derivative.org
Excited to share some news. Big challenge. We are up for it and can’t do it alone. It’s always Day 1. press.aboutamazon.com/news-releases/…
Last week we wrote that climate tech investing was having a bit of a moment (axios.com/chris-sacca-cl…) But I did not expect this sort of $$ commitment (caveat: corporate VC initiatives don't always work out as announced)
Last week we wrote that climate tech investing was having a bit of a moment (axios.com/chris-sacca-cl…) But I did not expect this sort of $$ commitment (caveat: corporate VC initiatives don't always work out as announced)
I’m so proud to announce @GreentownLabs’ first-ever national expansion to @HoustonTX! We’re excited to engage Houston's ecosystem to grow our climate action impact and help accelerate the #energytransition in the energy capital of the world. bit.ly/GreentownHTX #GreentownHTX
This #Coal free run ended at 67 Days 22 Hours 55 Minutes. This is the longest run without coal for Great Britain since 1882. Demand during this time was met by: Gas 32%, Nuclear 21%, Wind 16%, Imports 11%, Biomass 9%, Solar 9%, Large Hydro 1%, Storage <1%
Personal news: Despite this challenging time, I'm proud to introduce something special I've been helping to build called #ThirdDerivative. We intend to accelerate the rate of #climateinnovation and are looking for our 1st cohort of global startups now. bit.ly/ThirdDeriv2020 /1
Personal news: Despite this challenging time, I'm proud to introduce something special I've been helping to build called #ThirdDerivative. We intend to accelerate the rate of #climateinnovation and are looking for our 1st cohort of global startups now. bit.ly/ThirdDeriv2020 /1
Extended period of suppressed demand could cause balancing costs to be £826mn in June-Aug 2020 vs ~£320mn in the same period in 2019 -NGESO
14MW turbines! That means each of the new @SiemensGamesa offshore wind turbines will power around 18,000 homes each year. They're also huge. The new blades are bigger than Big Ben (108m vs 96m)
14MW turbines! That means each of the new @SiemensGamesa offshore wind turbines will power around 18,000 homes each year. They're also huge. The new blades are bigger than Big Ben (108m vs 96m)

Jenny Chase @solar_chase
30K Followers 1K Following Solar analyst with BloombergNEF, goose keeper. Author of "Solar Power Finance Without the Jargon". Opinions here are all my own. She/her.
Jesse D. Jenkins @JesseJenkins
98K Followers 11K Following Macro-energy systems engineering, optimization, and policy. Prof. @EPrinceton (MAE) & @AndlingerCenter. Co-host SHIFT KEY pod. See LinkedIn for more.
Greg Jackson @g__j
41K Followers 2K Following Founder https://t.co/AnSgt1hkyV Customer issues: email greg at https://t.co/AnSgt1hkyV for best response Blog at https://t.co/SQplcngLfz
Morgan Bazilian @MBazilian
12K Followers 4K Following Energy security, satellite data, thermodynamics, energy poverty, critical minerals, & national security. Formerly, @WorldBank, @UN, Ireland, & @NREL. My views.
Yayoi Sekine @YayoiSekine
2K Followers 509 Following Head of Energy Storage 🔋🪫 @BloombergNEF in 🇺🇸, with 🇧🇷&🇯🇵 ❤️. Views are my own.
Damian Carrington @dpcarrington
69K Followers 2K Following I'm Environment Editor at the Guardian | I don't read notifications but my DMs are open | Send info confidentially via this link👇
Carbon Tracker @CarbonBubble
48K Followers 9K Following Financial specialists making #ClimateRisk visible to markets. #EnergyTransition #FossilFuels #StrandedAssets https://t.co/w0TsCSFIoG
Jennifer @anderson_jennif
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Paul Davies @pauldavies83
268 Followers 285 Following
Olly Sherwood @ollysherwood1
614 Followers 573 Following
Andy @Andy47583901
44 Followers 503 Following
Tobie Fysh @tobiefysh
1K Followers 3K Following Geek for @Nasstar (formerly @ModalitySystems), Dad to two sons (one deaf, one hearing), Husband to an amazing wife. Views are my own!
Seumas @Seumas
369 Followers 7K Following
Ashish Sethia @asethia
1K Followers 365 Following Derive #energy from working on energy. Global Head of #Commodities, #Energy & Environmental Markets @BloombergNEF. Opinions mine.
abigaildombey.bsky.so... @AbigailDombey
3K Followers 5K Following Energy & Sustainability Engineer. Chair @HydrogenSussex / NED @shoreham_port / Trustee @ct_sussex She/her Views mine #NetZero #EnergyTwitter
Luca Pedretti @luca_pedretti
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Anoushka Vaswani @anoushkavaswani
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Luke @LukeChurchley
31 Followers 274 Following Investor and founder of TRENT Innovation - CHURCHLEY Asset MGT & OCCUPII
Kit Fitton @KitFitton
1K Followers 217 Following Interested in renewable energy and electrification ⚡️ Work in strategy at Octopus Energy ⚡️ Write about energy and technology
Sasha Kaletsky @SashaKaletsky
5K Followers 2K Following Co-founder & managing partner https://t.co/oSbGJe17wH. Invest in consumer internet. Write https://t.co/xMXGytfCsi.
Ed Rees @edrees123
470 Followers 905 Following Retail Policy @EnergyUKComms and running with Clapham Chasers
Amy Weltevreden @AmyWeltevreden
512 Followers 370 Following Head of Flexibility Markets @nationalgridESO decarbonising our economy to create a clean, fair & affordable future for all 🔋 All views my own (she/her)
John Newbery @jfnewbery
24K Followers 389 Following @bitcoincoreorg contributor. Founder @bitcoinbrink, @bitcoinoptech and @BitcoinCorePRs.
Harvard Business Scho... @HBSAlumniAngels
2K Followers 3K Following Sign-up Angel Investing Bootcamp May 7, 2025
HBS Alumni @HBSAlumni
27K Followers 10K Following Tweeting about Harvard Business School for the 90K alumni living in 161 countries around the world. This is an official HBS account.
Naomi Baker @naomibbaker
391 Followers 839 Following Energy policy - heat, flex, EV, systems for @EnergyUKcomms. Prev. @EnergySvgTrust, @DECCgovuk & local govt inc. @lb_southwark. All views, posts my own.
Experts Only Podcast @expertsonly_pod
733 Followers 4K Following Experts Only Podcast explores the intersection of energy, innovation and finance. Hosted by @powersjon and presented by @cleancapital_.
CleanCapital @CleanCapital_
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Transition @Transition1000
31 Followers 831 Following
Laura-Emily Dunn @lauraemilyd
7K Followers 10K Following UK and US political consultant & comms advisor • commentator • Prev @UKParliament @SeneddWales 🇺🇸 House of Reps • energy + biz + AI + digital • @museumofpm
Trudy Darwin PR @trudydarwin
11K Followers 12K Following Creating Award-Winning press and media campaigns @PRCA_HQ Member #TechPR #PublicRelations #RegTech #FinTech #Startup #ThoughtLeadership
Ndustrial @ndustrialio
355 Followers 642 Following The single point of truth for industrial efficiency with applications and platforms to accelerate the next industrial revolution.
Lorenz Gruber @l__orenz
675 Followers 197 Following Software engineer with electronics background @OctopusEnergy; Tesla Megapack tracker side project (link below); Believe in 100% SWB (solar, wind, batteries)
Christian Hunt @chrispianhunt
80 Followers 617 Following Climate, energy, media. The artist formerly known as @chr1stianh.
Tom Kuster @Tom_Merit
14 Followers 121 Following CEO and co-founder of Merit SI and #MeritControls. More than 30 years of working toward a #cleanenergyfuture. Website: https://t.co/1QEjVIuBSb
Solar Informatics @SolarInformatix
52 Followers 260 Following Solar Energy Cloud Platform | Expert developers of the first SaaS cloud platform built to manage the entire solar project lifecycle |
Forum on Trade, Envir... @TESSForum
2K Followers 1K Following Forum on #Trade, #Environment & the #SDGs, housed at the Geneva Graduate Institute. https://t.co/rZPDFas9P7
Ellen Backus @EllenBackus
199 Followers 948 Following Cleantech PR & marcom. Media & branding pro, straight line sports (run/swim/bike), proud mom. Go Pack!
Emma Champion @Emma__Champion
779 Followers 565 Following Analyzing the energy transition in Europe @BloombergNEF 🌻💚🌍 Clean tech, energy markets, policy. Views my own. 🐝
Alice Grundy @alice_grundy
200 Followers 299 Following Reporter for @SolarPowerPort and @TweetsbyCurrent. Can be found wherever there is good coffee and a strong internet connection ☕
Ignite Power @Ignite_Solar
878 Followers 775 Following A dominant climate tech platform in emerging markets, leading the development, financing, and operation of future infrastructure solutions
FairWind @fairwind
4K Followers 4K Following FairWind is a leading provider of one-stop solutions for the installation and service of onshore and offshore wind turbines throughout the world.
Nick Thompson @NP_Thompson
749 Followers 833 Following Coach and consultant. Working with @InstituteGC, West Africa Blue and others. Interested in leadership, organisations, climate change and politics. 🇬🇧 🇬🇭
Tim Thorlby @TimThorlby
958 Followers 2K Following Director | Social business | Research. Freelance, former MD @Clean4Good. Monthly blog. Good business, social justice & a growing church. Always hope.
Jacob Feutz @FeutzJacob
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James Frith @JamesTFrith
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Jim Harris @JimHarris
246K Followers 118K Following At #IFA2025 in Berlin Sept 5-9 #KOL #1 Bestselling Author & Analyst on #AI & #Disruption #Innovation Mind blowing AI webinar 1M views https://t.co/xbkEcg5lSQ
Tom Rowlands-Rees @Tomrrees
342 Followers 255 Following Head of North America analysis, BloombergNEF. Tweets about, energy, environment, film, dance, D&I, charts. Views expressed are my own.
Sophia Wells @trivialtosolve
20 Followers 183 Following Physics student @ UW-Madison. Interested in energy equity, renewables, fair cooling, and radical, intersectional feminism (among other things).
Greg Arnold @greg97005152
220 Followers 5K Following
Maitland/AMO Sustain @MaitlandSustain
356 Followers 1K Following Providing strategic sustainability and ESG advice to businesses, policymakers and non-profit organisations. #Sustainability #ESG #ResponsibleInvestment
Sean Grimes @seancgrimes
267 Followers 453 Following building digital infra for the energy transition | product @leapdex | customers != ratepayers
Jenny Chase @solar_chase
30K Followers 1K Following Solar analyst with BloombergNEF, goose keeper. Author of "Solar Power Finance Without the Jargon". Opinions here are all my own. She/her.
Jigar Shah @JigarShahDC
70K Followers 1K Following husband, dad, serial entrepreneur, podcaster, achieving energy abundance by deploying at scale. It's simple, not easy.
Nat Bullard @NatBullard
39K Followers 979 Following Deep decarbonization and the business of climate. @Halcyon, and priors @BloombergNEF, @climate, @VoyagerVC.
AukeHoekstra @AukeHoekstra
50K Followers 269 Following @aukehoekstra.bsky.social Debunking scare stories about electric vehicles and renewable energy. Director https://t.co/Xl5y2HfgHW @TUeindhoven. Founder https://t.co/2cYr8kuLMq.
Michael Liebreich - @... @MLiebreich
69K Followers 185 Following Not posting here - other links to my stuff on Cleaning Up, Substack, BloombergNEF, Ecopragma Capital, Pragmacharge, etc. For engagement, find me on 🦋
Jesse D. Jenkins @JesseJenkins
98K Followers 11K Following Macro-energy systems engineering, optimization, and policy. Prof. @EPrinceton (MAE) & @AndlingerCenter. Co-host SHIFT KEY pod. See LinkedIn for more.
James Murray @James_BG
64K Followers 3K Following Editor of @Incisive https://t.co/7W9gn11Ul3 - tweeting in a personal capacity, check out @BusinessGreen for the official feed
Greg Jackson @g__j
41K Followers 2K Following Founder https://t.co/AnSgt1hkyV Customer issues: email greg at https://t.co/AnSgt1hkyV for best response Blog at https://t.co/SQplcngLfz
Simon Evans @DrSimEvans
86K Followers 4K Following Posts/data about climate+energy Press Gazette energy & envt journo of yr 2022 Deputy Ed, Senior Policy Ed @CarbonBrief DMs open [email protected]
National Energy Syste... @neso_energy
33K Followers 405 Following Creating a world where everyone has access to reliable, clean and affordable energy.
Tim Latimer @TimMLatimer
25K Followers 2K Following all about the clean energy transition. developing next gen geothermal 🌋⚡️ as CEO at @FervoEnergy. Fellow: @activatefellows, @Energy_Leaders. Texan.
Morgan Bazilian @MBazilian
12K Followers 4K Following Energy security, satellite data, thermodynamics, energy poverty, critical minerals, & national security. Formerly, @WorldBank, @UN, Ireland, & @NREL. My views.
🐙⚡️ Saving Ses... @SavingSessions
12K Followers 1 Following Get alerts about every opportunity to help the grid and earn rewards by saving power in #SavingSessions from @OctopusEnergy ⚡️🐙
Damian Carrington @dpcarrington
69K Followers 2K Following I'm Environment Editor at the Guardian | I don't read notifications but my DMs are open | Send info confidentially via this link👇
Olly Sherwood @ollysherwood1
614 Followers 573 Following
Alex Grant @big_lithium
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donald @donaldglover
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benahorowitz.eth @bhorowitz
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Ben Ainslie @AinslieBen
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Athena Racing @AthenaRacingGBR
38K Followers 333 Following Challenger of Record for the 38th America's Cup
americascup @americascup
50K Followers 774 Following THE LOUIS VUITTON 38TH AMERICA’S CUP On course to Naples, 2027. Be there.
Gus O'Donnell @Gus_ODonnell
13K Followers 166 Following Economist, Manchester United and tennis fan. All views are my own.
The Dor Brothers @thedorbrothers
94K Followers 269 Following Animating the Future https://t.co/QlqyIIKOAl Business Inquiries: [email protected]
Heatmap News @heatmap_news
8K Followers 59 Following A new media company focused on the biggest story of our time: climate change. Sign up for our newsletter at https://t.co/HCiEz1GYbc.
Internal Tech Emails @TechEmails
584K Followers 886 Following Internal tech industry emails that surface in public records. 🔍
Fesshole🧻 @fesshole
1.1M Followers 503 Following Confess your sins anon - will the internet absolve you? ADD FESS https://t.co/B6Bo42Rzeh LIVE SHOW TICKETS https://t.co/OBRqMIHFJk
Stratechery @stratechery
152K Followers 3 Following Articles and Updates from https://t.co/A7bGqyJ7db. For the author, follow @benthompson.
Juergen Maier CBE @Juergen_Maier
17K Followers 3K Following Austro-British Industrialist. Chair of Great British Energy, Co-founder @vocl_uk, Former CEO #Siemens UK. No longer active here. 🏳️🌈
Autism Capital 🧩 @AutismCapital
883K Followers 0 Following Citizen journalism with a humorous flair. Following Fintech, Crypto, AI, Longevity, Politics, Memes, and whatever the current thing is.
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Chris Stark @StarkClimate
42K Followers 4K Following Head of UK’s Mission for Clean Power, UK Department for Energy Security and Net Zero
Hughes-on-the-Wold @NotThatHughes
5K Followers 4K Following Tofu-sceptic member of Anti-Growth Coalition
London Climate Action... @london_climate
7K Followers 3K Following Harnessing the power of London for global #ClimateAction. Join us at #LCAW2025 | 21st June - 29th June 2025 Hosted by @E3G
Jamie Shotton @Jamie_Shotton
5K Followers 718 Following Embodied AI, Autonomous Driving, Machine Learning, and Vision. Chief Scientist at @wayve_ai. Ex-Leader of Mixed Reality & AI Labs at Microsoft.
Alex Kendall @alexgkendall
14K Followers 692 Following CEO at @wayve_ai teaching cars how to drive with machine learning 🇳🇿
Sarah Cone @sarah_cone
17K Followers 4K Following Founder & VC @socialimpactcap, a firm working on the hardest problems from the earliest stages. Incubator of companies, lady industrialist, and a mother. e/acc
Sriram Krishnan @sriramk
302K Followers 1K Following White House Senior Policy Advisor for AI. pro wrestling fan. official: @skrishnan47
Great St Bartholomew @StBartholomews
5K Followers 514 Following Founded in 1123, we are the oldest church in London; a vibrant Anglo-Catholic community with a world-class choir.
Marcus Walker @WalkerMarcus
22K Followers 3K Following A clergyman in the Church of England in the Diocese of London. Musings in Church and State and late Roman History (and, in fact, any history).
Dwarkesh Patel @dwarkesh_sp
127K Followers 913 Following Host of @dwarkeshpodcast https://t.co/3SXlu7fy6N https://t.co/4DPAxODFYi https://t.co/hQfIWdM1Un
Matt Clifford @matthewclifford
33K Followers 2K Following Co-founder @join_ef; Chair @ARIA_Research; UK AI
Entrepreneurs First @join_ef
41K Followers 1K Following Entrepreneurs First invests in exceptional individuals to build startups from scratch.
Jeremy Howard @jeremyphoward
260K Followers 6K Following 🇦🇺 Co-founder: @AnswerDotAI & @FastDotAI ; Prev: professor @ UQ; Stanford fellow; @kaggle president; @fastmail/@enlitic/etc founder https://t.co/16UBFTX7mo
PREM Rugby @premrugby
292K Followers 1K Following The official X account of PREM Rugby, home of Gallagher PREM and PREM Rugby Cup 🏉
Jacob Mays @jacob_mays
4K Followers 2K Following Assistant Professor @CEECornell working on energy systems and decision making under uncertainty. Tweeting in a personal capacity.
Squidge Rugby @SquidgeRugby
102K Followers 2K Following A desperate attempt to understand a sport where not even the ball makes sense | A Rugby Thing & thinly-veiled cult to Willie Le Roux by @SquidgyGoat
Sims Witherspoon @simswitherspoon
244 Followers 32 Following AI enthusiast 🌍 Climate activist 🎭 Thespian
Ian Hogarth @soundboy
24K Followers 3K Following investor at @pluralplatform, chair UK AI Security Institute, co-founder @songkick
Mark Carney @MarkJCarney
532K Followers 778 Following Prime Minister of Canada and Leader of the Liberal Party | Premier ministre du Canada et chef du Parti libéral
Isomorphic Labs @IsomorphicLabs
29K Followers 75 Following We are reimagining the entire drug discovery process from first principles with an AI-first approach. Learn more: https://t.co/eC7rjmB3EZ
Mayor Francis Suarez @FrancisSuarez
148K Followers 443 Following Proud to serve as @MiamiMayor. Former President of @USMayors.