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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

90 companies

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

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World Energy
Sustainable aviation fuelBoston, 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
Altruistiq
Supply chain emissionsLondon, 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
Enapter
H2OGreen hydrogenHamburg, GermanyGerman cleantech company developing and manufacturing AEM (Anion Exchange Membrane) electrolysers for scalable, iridium-free green hydrogen production at industrial scale.66Credible Contributor
Zenobē Energy
Energy storageLondon, 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
Enel
ENELIntegrated utilityRome, 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
Foresight Group
FSGGreen Infrastructure FundLondon, 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
Itron
ITRIGrid / smart-grid & metering technologyLiberty 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
Low Carbon
Onshore windLondon, UKUK-based renewable energy investment and development platform focused on onshore wind, solar, and battery storage projects in Britain and internationally.65Credible Contributor
National Grid plc
NG.Electricity transmission / grid infrastructureLondon, United KingdomOperates the UK's high-voltage electricity transmission network and US electricity and gas distribution businesses.65Credible Contributor
SSE plc
SSEElectricity generation / networksPerth, 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
Swiss Re
SRENReinsurerZurich, 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
Vattenfall
Integrated utilitySolna, SwedenSwedish state-owned utility with a largely fossil-free generation mix (hydro, nuclear and wind); planning small modular reactor (SMR) expansion.65Credible Contributor
Kraken Technologies
Grid / smart-grid & VPP softwareLondon, 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
Prelude Ventures
Climate VCSan Francisco, CA, USSan Francisco-based venture firm backing companies transforming energy, transportation, food, and agriculture systems to address climate change.64Credible Contributor
Vaillant Group
Heat pumpsRemscheid, 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
Ceres Power
CWRHydrogen fuel cellsHorsham, UKUK developer of proprietary solid oxide cell technology licensed to global manufacturers for both distributed power generation and green hydrogen electrolysis.63Credible Contributor
Clean Energy Ventures
Climate VCBoston, 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
Energy Impact Partners
Climate VCNew York, NY, USUtility-backed cleantech growth VC partnering with energy companies and investors to accelerate the transition to a sustainable energy future.63Credible Contributor
Energy Vault Holdings
NRGVEnergy storageWestlake 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
Siemens Energy
ENRGrid / equipment & technologyMunich, 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
SkyNRG
Sustainable aviation fuelAmsterdam, 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
Gresham House Energy Storage Fund
GRIDEnergy storageLondon, 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
Lightsource bp
SolarLondon, UKUK-headquartered solar energy developer and operator with a global portfolio of utility-scale solar and storage projects, majority-owned by bp.62Credible Contributor
Maxeon Solar Technologies
SolarSingaporeSingapore-based producer of high-efficiency back-contact solar panels under the Maxeon brand for residential and commercial markets globally.62Credible Contributor
Mitiga Solutions
Physical climate risk intelligenceBarcelona, 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
Northern Powergrid
Grid / transmission & distributionPenshaw, 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
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
Urenco Group
Nuclear / SMRStoke 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
Brimstone
Low-carbon cementOakland, 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
Canadian Solar
CSIQSolarGuelph, ON, CanadaVertically integrated solar company manufacturing panels and developing utility-scale solar and battery storage projects across more than 20 countries.61Credible Contributor
Fervo Energy
FRVOGeothermalHouston, 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
Galvanize Climate Solutions
Climate VCNew 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
Orbital Marine Power
Tidal energyEdinburgh, 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
Renewi
RWIRecycling / circularMilton 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
Seaway7
Offshore wind installationStavanger, 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
Sublime Systems
Low-carbon cementSomerville, 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
Sweep
ESG dataParis, 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
AXA
AXAInsurerParis, 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
EcoVadis
Supply chain sustainabilityParis, 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
EnBW Energie Baden-Württemberg
EBKIntegrated utilityKarlsruhe, 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
Jan De Nul Group
Offshore wind installationHofstade-Aalst, BelgiumBelgian family-owned dredging and marine engineering contractor with a large fleet specialised in offshore wind cable installation and foundation work, active on major European and international projects.60Credible Contributor
Nitricity
AgritechSan Francisco, CA, USUses solar-powered plasma technology to fix atmospheric nitrogen and convert agricultural organic waste (including almond shells) into low-emission organic fertilisers for row-crop growers.60Credible Contributor

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