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
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Morgan Bazilian @MBazilian
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James Frith @JamesTFrith
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Yayoi Sekine @YayoiSekine
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Damian Carrington @dpcarrington
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Carbon Tracker @CarbonBubble
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269 Followers 285 Following
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Andy @Andy47583901
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Tobie Fysh @tobiefysh
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Ashish Sethia @asethia
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abigaildombey.bsky.so... @AbigailDombey
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Luke @LukeChurchley
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Kit Fitton @KitFitton
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Sasha Kaletsky @SashaKaletsky
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Ed Rees @edrees123
467 Followers 903 Following Retail Policy @EnergyUKComms and running with Clapham Chasers
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511 Followers 369 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
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Harvard Business Scho... @HBSAlumniAngels
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HBS Alumni @HBSAlumni
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Naomi Baker @naomibbaker
391 Followers 838 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
729 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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Laura-Emily Dunn @lauraemilyd
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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
353 Followers 641 Following The single point of truth for industrial efficiency with applications and platforms to accelerate the next industrial revolution.
Lorenz Gruber @l__orenz
683 Followers 198 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 616 Following Climate, energy, media. The artist formerly known as @chr1stianh.
Tom Kuster @Tom_Merit
15 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
51 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
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Ellen Backus @EllenBackus
203 Followers 947 Following Cleantech PR & marcom. Media & branding pro, straight line sports (run/swim/bike), proud mom. Go Pack!
Emma Champion @Emma__Champion
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Alice Grundy @alice_grundy
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Ignite Power @Ignite_Solar
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FairWind @fairwind
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Nick Thompson @NP_Thompson
746 Followers 832 Following Coach and consultant. Working with @InstituteGC, West Africa Blue and others. Interested in leadership, organisations, climate change and politics. 🇬🇧 🇬🇭
Tim Thorlby @TimThorlby
952 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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Jim Harris @JimHarris
246K Followers 117K 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
341 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
219 Followers 5K Following
Maitland/AMO Sustain @MaitlandSustain
357 Followers 1K Following Providing strategic sustainability and ESG advice to businesses, policymakers and non-profit organisations. #Sustainability #ESG #ResponsibleInvestment
Sean Grimes @seancgrimes
269 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 Only posting links to my stuff on Cleaning Up, Substack, BloombergNEF, etc. Discussion on 🦋. Won't respond here and provide https://t.co/mBvNxIgKj3 with free training content.
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
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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]
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34K Followers 405 Following Creating a world where everyone has access to reliable, clean and affordable energy.
Tim Latimer @TimMLatimer
26K 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
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🐙⚡️ 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 ⚡️🐙
James Frith @JamesTFrith
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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
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Alex Grant @big_lithium
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benahorowitz.eth @bhorowitz
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Ben Ainslie @AinslieBen
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Athena Racing @AthenaRacingGBR
38K Followers 331 Following Challenger of Record for the 38th America's Cup
americascup @americascup
50K Followers 772 Following THE LOUIS VUITTON 38TH AMERICA’S CUP On course to Naples, 2027. Be there.
Gus O'Donnell @Gus_ODonnell
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The Dor Brothers @thedorbrothers
95K Followers 280 Following Animating the Future Website: https://t.co/AnVmbcFjF9 The Dor Awards: https://t.co/2PVo18XOjl Email: [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
583K Followers 881 Following Internal tech industry emails that surface in public records. 🔍
Fesshole🧻 @fesshole
1.1M Followers 499 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
892K Followers 0 Following Citizen journalism with a humorous flair. Following Fintech, Crypto, AI, Longevity, Politics, Memes, and whatever the current thing is.
DER Task Force @DER_Task_Force
7K Followers 567 Following A pod with @duncan__c @cmetelitsa @james_mcginniss for DER-pilling the youths.
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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
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7K Followers 3K Following Harnessing the power of London for global #ClimateAction. Join us at #LCAW2025 | 21st June - 29th June 2025 Hosted by @E3G
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5K Followers 721 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
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Sriram Krishnan @sriramk
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5K Followers 509 Following Founded in 1123, we are the oldest church in London; a vibrant Anglo-Catholic community with a world-class choir.
Marcus Walker @WalkerMarcus
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Matt Clifford @matthewclifford
33K Followers 2K Following Co-founder @join_ef; Chair @ARIA_Research; UK AI
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Jacob Mays @jacob_mays
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243 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
546K Followers 776 Following Prime Minister of Canada and Leader of the Liberal Party | Premier ministre du Canada et chef du Parti libéral
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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
147K Followers 458 Following Proud to serve as @MiamiMayor. Former President of @USMayors.