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Climate news, grouped by story, and evidence-led Green Scores for the companies behind it. Independent and self-funded, with no sponsors and no paid placement.

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Climate companies

327 companies

Ranked by the ClimateTicker Green Score: who genuinely helps, and who to watch. How we score companies

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Score / tier
  1. 49

    Nextracker

    NXT
    Solar/Fremont, CA, USDesigns and manufactures intelligent solar tracker systems and software for utility-scale solar projects worldwide.
    68Credible Contributor
  2. 50

    Sphera

    ESG software/Chicago, USIntegrated ESG, environment-health-safety, operational risk, and product stewardship software platform serving 8,500 customers in 100 countries, acquired by Blackstone in 2021 at a $1.4B valuation.
    68Credible Contributor
  3. 51

    thyssenkrupp nucera

    NCH2
    Green hydrogen/Dortmund, GermanyGerman alkaline water electrolysis specialist offering industrial-scale electrolyser plants for green hydrogen production, spun out of thyssenkrupp and listed on Frankfurt in 2023.
    68Credible Contributor
  4. 52

    Forest Carbon

    Nature-based solutions/Edinburgh, United KingdomUK's leading developer of Woodland Carbon Code and Peatland Code projects, having funded 13M+ trees planted and 2,000 hectares of peatland restored; became employee-owned in 2023.
    67Credible Contributor
  5. 53

    Persefoni

    Carbon accounting/Tempe, USAI-driven carbon accounting and climate management SaaS platform helping companies and financial institutions measure, disclose, and manage their Scope 1, 2, and 3 emissions.
    67Credible Contributor
  6. 54

    Polestar

    PSNY
    EV Maker/Gothenburg, SwedenSwedish pure-play EV brand co-owned by Volvo Cars and Geely, producing the Polestar 2–4 electric vehicles and notable for industry-leading lifecycle carbon transparency.
    67Credible Contributor
  7. 55

    Sif Group

    SIFG
    Offshore wind foundations/Maasvlakte, Rotterdam, NetherlandsDutch steel manufacturer specialising exclusively in offshore wind monopile and transition-piece foundations, supplying projects across the North Sea and Baltic from its deep-water Maasvlakte facility.
    67Credible Contributor
  8. 56

    Voltalia

    VLTSA
    Solar/Paris, FranceFrench independent power producer developing, building and operating solar, wind, hydropower and storage projects across Europe, Africa and Latin America.
    67Credible Contributor
  9. 57

    World Energy

    Sustainable aviation fuel/Boston, USNorth America's first and longest-operating commercial-scale SAF producer, supplying biofuel made from inedible agricultural waste to aviation and other hard-to-abate sectors.
    67Credible Contributor
  10. 58

    Altruistiq

    Supply chain emissions/London, UKSustainability data management platform automating Scope 1, 2, and 3 emissions measurement and product carbon footprinting for complex enterprises in food, drink, and packaging sectors.
    66Credible Contributor
  11. 59

    Enapter

    H2O
    Green hydrogen/Hamburg, GermanyGerman cleantech company developing and manufacturing AEM (Anion Exchange Membrane) electrolysers for scalable, iridium-free green hydrogen production at industrial scale.
    66Credible Contributor
  12. 60

    Zenobē Energy

    Energy storage/London, UKUK-based battery storage developer and operator with over 1.2 GW of BESS projects including the 300 MW Kilmarnock South and 400 MW Eccles sites, backed by KKR with cumulative funding exceeding £1 billion.
    66Credible Contributor
  13. 61

    Enel

    ENEL
    Integrated utility/Rome, ItalyItaly's largest power utility and one of the world's biggest integrated operators, with 16.9 GW renewable capacity in Italy alongside 11.3 GW of thermal; committed to phasing out fossil gas by 2040.
    65Credible Contributor
  14. 62

    Foresight Group

    FSG
    Green Infrastructure Fund/London, UKLondon-listed infrastructure and private equity investment manager with a large renewable energy portfolio spanning solar, wind, battery storage, and bioenergy assets across Europe and beyond.
    65Credible Contributor
  15. 63

    Itron

    ITRI
    Grid / smart-grid & metering technology/Liberty Lake, Washington, USAItron delivers smart meters, network infrastructure, and grid-edge analytics that enable utilities to optimise energy delivery, reduce losses, and integrate distributed renewable energy resources.
    65Credible Contributor
  16. 64

    Low Carbon

    Onshore wind/London, UKUK-based renewable energy investment and development platform focused on onshore wind, solar, and battery storage projects in Britain and internationally.
    65Credible Contributor
  17. 65

    National Grid plc

    NG.
    Electricity transmission / grid infrastructure/London, United KingdomOperates the UK's high-voltage electricity transmission network and US electricity and gas distribution businesses.
    65Credible Contributor
  18. 66

    SSE plc

    SSE
    Electricity generation / networks/Perth, Scotland, United KingdomUK-based energy company with a large renewables portfolio (onshore/offshore wind, hydro) and electricity networks; one of the UK's leading clean-energy investors.
    65Credible Contributor
  19. 67

    Swiss Re

    SREN
    Reinsurer/Zurich, SwitzerlandOne of the world's two largest reinsurers, a pioneer in climate-risk modelling and parametric insurance products, and committed to ceasing coverage of new oil-sands and coal projects.
    65Credible Contributor
  20. 68

    Vattenfall

    Integrated utility/Solna, SwedenSwedish state-owned utility with a largely fossil-free generation mix (hydro, nuclear and wind); planning small modular reactor (SMR) expansion.
    65Credible Contributor
  21. 69

    Kraken Technologies

    Grid / smart-grid & VPP software/London, UKKraken Technologies — an Octopus Energy Group subsidiary — provides a cloud-native energy retail and grid flexibility operating system licensed to utilities worldwide, enabling demand response, smart tariffs, and distributed energy resource management at scale.
    64Credible Contributor
  22. 70

    Prelude Ventures

    Climate VC/San Francisco, CA, USSan Francisco-based venture firm backing companies transforming energy, transportation, food, and agriculture systems to address climate change.
    64Credible Contributor
  23. 71

    Vaillant Group

    Heat pumps/Remscheid, GermanyGerman heating manufacturer pivoting aggressively to heat pumps — opened a dedicated heat pump mega-factory in 2024 — but continues to produce gas boilers alongside its growing heat pump range.
    64Credible Contributor
  24. 72

    Ceres Power

    CWR
    Hydrogen fuel cells/Horsham, UKUK developer of proprietary solid oxide cell technology licensed to global manufacturers for both distributed power generation and green hydrogen electrolysis.
    63Credible Contributor
  25. 73

    Clean Energy Ventures

    Climate VC/Boston, MA, USEarly-stage climate tech VC focused on deep-decarbonisation ventures in energy, transportation, agriculture, and industrial sectors with high emissions-reduction potential.
    63Credible Contributor
  26. 74

    Energy Impact Partners

    Climate VC/New York, NY, USUtility-backed cleantech growth VC partnering with energy companies and investors to accelerate the transition to a sustainable energy future.
    63Credible Contributor
  27. 75

    Energy Vault Holdings

    NRGV
    Energy storage/Westlake Village, CA, USDevelops gravity-based and battery energy storage systems alongside an energy management software platform for utilities, IPPs, and industrial and data-centre clients.
    63Credible Contributor
  28. 76

    Siemens Energy

    ENR
    Grid / equipment & technology/Munich, GermanySiemens Energy — spun off from Siemens AG in 2020 — provides high-voltage grid technologies, power transformers, HVDC systems, and energy management software essential for transmission infrastructure serving renewable generation.
    63Credible Contributor
  29. 77

    SkyNRG

    Sustainable aviation fuel/Amsterdam, NetherlandsDutch SAF supply and production company co-founded by KLM that supplied the world's first commercial SAF flight in 2011 and is developing production facilities across the Netherlands, Sweden, and the US.
    63Credible Contributor
  30. 78

    Gresham House Energy Storage Fund

    GRID
    Energy storage/London, UKUK's largest listed fund investing in utility-scale battery energy storage systems, operating over 1 GW of BESS capacity across Great Britain and internationally.
    62Credible Contributor
  31. 79

    Lightsource bp

    Solar/London, UKUK-headquartered solar energy developer and operator with a global portfolio of utility-scale solar and storage projects, majority-owned by bp.
    62Credible Contributor
  32. 80

    Maxeon Solar Technologies

    Solar/SingaporeSingapore-based producer of high-efficiency back-contact solar panels under the Maxeon brand for residential and commercial markets globally.
    62Credible Contributor
  33. 81

    Mitiga Solutions

    Physical climate risk intelligence/Barcelona, SpainMitiga Solutions is a Barcelona Supercomputing Center spin-off that delivers AI-powered physical climate risk models — covering floods, heatwaves, wildfires, and more — to help insurers, banks, and corporates assess and disclose climate-related asset exposure.
    62Credible Contributor
  34. 82

    Northern Powergrid

    Grid / transmission & distribution/Penshaw, Sunderland, UKNorthern Powergrid operates the electricity distribution network for northeast England and Yorkshire, serving approximately 3.9 million homes and businesses and investing in network modernisation to support electrification of heat and transport.
    62Credible Contributor
  35. 83

    Osprey Charging

    EV chargingUK rapid EV charging network (originally founded as Engenie) operating over 1,300 rapid chargers at 380+ locations, powered by 100% renewable energy.
    62Credible Contributor
  36. 84

    Urenco Group

    Nuclear / SMR/Stoke Poges, United KingdomUrenco is a multinational uranium enrichment company jointly owned by the UK, Dutch, and German governments, operating centrifuge plants in the UK, Netherlands, Germany, and US and supplying roughly 30% of global enriched uranium.
    62Credible Contributor
  37. 85

    Brimstone

    Low-carbon cement/Oakland, USAOakland startup producing ordinary portland cement from calcium silicate rocks instead of limestone, eliminating process CO2 emissions and permanently storing calcium carbonate within the final product.
    61Credible Contributor
  38. 86

    Canadian Solar

    CSIQ
    Solar/Guelph, ON, CanadaVertically integrated solar company manufacturing panels and developing utility-scale solar and battery storage projects across more than 20 countries.
    61Credible Contributor
  39. 87

    Fervo Energy

    FRVO
    Geothermal/Houston, United StatesEnhanced geothermal energy company applying directional drilling and fiber-optic sensing to access hot rock, with Cape Station in Utah delivering 100 MW of firm clean power to the grid from 2026.
    61Credible Contributor
  40. 88

    Galvanize Climate Solutions

    Climate VC/New York, NY, USClimate-focused investment firm co-founded by Tom Steyer and Katie Hall deploying across growth equity, venture, and infrastructure to accelerate the net-zero transition.
    61Credible Contributor
  41. 89

    Orbital Marine Power

    Tidal energy/Edinburgh, United KingdomDeveloper of floating tidal stream turbines, operating the O2 — the world's highest-rated tidal energy device at 2 MW — off Orkney, with a 32 MW combined orderbook across the UK and Canada.
    61Credible Contributor
  42. 90

    Renewi

    RWI
    Recycling / circular/Milton Keynes, United KingdomAnglo-Dutch waste-to-product company that collects, treats, and transforms commercial, industrial, and hazardous waste into secondary raw materials across the UK, Netherlands, Belgium, and France.
    61Credible Contributor
  43. 91

    Seaway7

    Offshore wind installation/Stavanger, NorwayDedicated offshore wind EPCI contractor and wholly owned subsidiary of Subsea 7, executing foundation, cable, and turbine installation contracts for major North Sea and European offshore wind projects.
    61Credible Contributor
  44. 92

    Sublime Systems

    Low-carbon cement/Somerville, USAMIT-founded startup producing portland cement via electrochemistry rather than fossil-fuel kilns, avoiding the process CO2 that accounts for roughly half of conventional cement's emissions.
    61Credible Contributor
  45. 93

    Sweep

    ESG data/Paris, FranceCarbon and ESG data management platform used by multinationals including L'Oreal and Thales to collect, manage, and report sustainability data across frameworks including CSRD and ISSB.
    61Credible Contributor
  46. 94

    AXA

    AXA
    Insurer/Paris, FranceGlobal insurer that was among the first major institutional investors to divest from coal and tar sands, and has committed over €26 billion to green investments as part of its Net Zero 2050 roadmap.
    60Credible Contributor
  47. 95

    EcoVadis

    Supply chain sustainability/Paris, FranceGlobal supply chain sustainability ratings platform assessing 175,000+ suppliers across 180 countries using AI combined with 500+ in-house analysts, trusted by 1,500+ global procurement leaders.
    60Credible Contributor
  48. 96

    EnBW Energie Baden-Württemberg

    EBK
    Integrated utility/Karlsruhe, GermanyGermany's third-largest utility, post-nuclear since Neckarwestheim II decommissioned in 2023; deploying a €50bn 2025–2030 programme heavily weighted to renewables with gas plants retained as hydrogen-convertible bridge capacity.
    60Credible Contributor
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