Twelve vs Siemens Energy
Side-by-side comparison of AI visibility scores, market position, and capabilities
Twelve converts CO2 into sustainable aviation fuel and electrochemicals via renewable-powered CO2 electrolysis; raised $645M led by TPG in 2024 and secured a 14-year, 260M-gallon SAF supply agreement.
About
Twelve is a carbon transformation company that converts captured carbon dioxide into the chemicals, fuels, and materials typically made from fossil fuels. Based in Berkeley, California, Twelve''s core technology is CO2 electrolysis — an electrochemical process that uses renewable electricity, CO2, and water to produce hydrocarbons, the building blocks of jet fuel, plastics, and industrial chemicals. The company''s process is analogous to artificial photosynthesis, closing the carbon loop by turning emissions into products rather than releasing them into the atmosphere.
Frankfurt-listed (ETR: ENR) energy technology company at €34.5B FY2024 revenue with 13-15% growth 2025; Siemens Gamesa offshore wind and gas turbines competing with GE Vernova and Vestas for energy transition infrastructure.
About
Siemens Energy AG is a Munich, Germany-based energy technology company — listed on the Frankfurt Stock Exchange (ETR: ENR), partially owned by Siemens AG (25%+ stake) following the September 2020 spin-off — providing power generation (gas turbines, steam turbines, generators), grid infrastructure (transmission technology, HVDC systems, transformers), and energy transition solutions (green hydrogen, offshore wind through its 73%-owned Siemens Gamesa Renewable Energy subsidiary) to utilities, industrial customers, and governments globally. Siemens Energy generated €34.5 billion in revenue in fiscal year 2024, with Q2 FY2025 revenue of €10.0 billion (+20.7% comparable) and Q3 FY2025 revenue of €9.7 billion (+13.5% comparable), projecting 13-15% revenue growth for full-year FY2025 at a 4-6% profit margin.
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