Carbon Dioxide Removal Purchase Pilot Prize Phase 1 Semifinalists

Carbon Dioxide Removal Purchase Pilot Prize Phase 1 Semifinalists

Direct Air Capture (DAC) with Storage

  • Avnos, Inc. (Los Angeles, CA): Hybrid DAC technology that produces 5 tons of water per ton of (carbon dioxide) CO2 captured, while eliminating external heat input. Delivery proposal: 3,000 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Carbon America (Arvada, CO): Carbon America and Global Thermostat leverage Colorado’s diverse assets to demonstrate a scalable model for DAC-powered carbon dioxide removal. Delivery proposal: 3,400 Carbon Dioxide Removal Credits to DOE over the prize period. 
  • CarbonCapture, Inc. (Los Angeles, CA): Stores captured carbon in low-carbon concrete. Delivery proposal: 3,333 Carbon Dioxide Removal Credits to DOE over the prize period. 
  • Climeworks (Austin, TX): Project Cypress, a DAC plus storage project in Louisiana, builds on the company’s Mammoth plant to reach megaton scale by 2030. Delivery proposal: 3,500 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Global Thermostat and Fervo Energy (Brighton, CO): Building a high efficiency, zero-carbon energy, integrated DAC, and geothermal deployment. Delivery proposal: 3,500 Carbon Dioxide Removal Credits to DOE over the prize period.   
  • Heirloom (Brisbane, CA): Employs carbon mineralization (using limestone as a feedstock) to remove CO2 from the air, and then permanently store it. Delivery proposal: 3,030 Carbon Dioxide Removal Credits to DOE over the prize period.
  • 1PointFive (Houston, TX): The Stratos DAC facility will capture up to 500,000 metric tons of atmospheric CO2 per annum when fully operational. Delivery proposal: 3,861 Carbon Dioxide Removal Credits to DOE over the prize period. 
  • 280 Earth (Palo Alto, CA): Uses DAC technology designed for modularity and scalability, integrating mechanical and chemical innovations. Delivery proposal: 3,000 Carbon Dioxide Removal Credits to DOE over the prize period. 
  • 8 Rivers (Durham, NC): Captures carbon through calcite, a calcium-based removal technology. Delivery proposal: 7,200 Carbon Dioxide Removal Credits to DOE over the prize period.

Biomass With Carbon Removal and Storage Technologies

  • Arbor Energy (El Segundo, CA): Developing a next-generation biomass with carbon removal and storage system that uses forestry waste to produce renewable electricity and carbon dioxide for permanent removal. Delivery proposal: 8,000 Carbon Dioxide Removal Credits to DOE over the prize period. 
  • Carbon Lockdown (Silver Spring, MD): Employs wood harvesting and storage as a method of long-duration carbon dioxide removal to securely store charred woody biomass, in partnership with Mast Reforestation. Delivery proposal: 17,143 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Charm Industrial (San Francisco, CA): Removes carbon by using pyrolysis to turn agricultural and forestry residues into a carbon-rich bio-oil and stores it underground. Delivery proposal: 5,000 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Clean Energy Systems (Rancho Cordova, CA): Negative emissions power generation project utilizes agricultural wood waste as feedstock and proprietary oxy-combustion technology.​ Delivery proposal: 11,320 Carbon Dioxide Removal Credits to DOE over the prize period. 
  • Climate Robotics (Houston, TX): Mobile platform produces and applies biochar in the field to store CO2. Delivery proposal: 30,252 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Graphyte (Pine Bluff, AR): Carbon casting technology leverages readily available biomass residues to remove CO2. Delivery proposal: 30,000 Carbon Dioxide Removal Credits to DOE over the prize period.         
  • Vaulted Deep (Houston, TX): Performs geologic storage of slurried organic waste for permanent carbon removal. Delivery proposal: 10,320 Carbon Dioxide Removal Credits to DOE over the prize period.

Enhanced Geological Weathering/Enhanced Mineralization Technologies

  • Alkali Earth (Northfield, MN): Removes CO2 through enhanced carbon mineralization of steel slag aggregates in gravel roads. Delivery proposal: 8,108 Carbon Dioxide Removal Credits to DOE over the prize period.
  • CREW Carbon (New Haven, CT): Utilizes engineered enhanced weathering for permanent and verifiable carbon dioxide removal in wastewater systems. Delivery proposal: 7,500 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Eion (Princeton, NJ): Scaling enhanced rock weathering on American farmland, delivering diverse benefits to rural communities. Delivery proposal: 9,900 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Lithos Carbon (Bellevue, WA): Low-cost and scalable carbon dioxide removal while decarbonizing agriculture. Delivery proposal: 8,109 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Mati Carbon (Houston, TX): Uses enhanced rock weathering carbon dioxide removal to increase U.S. rice productivity. Delivery proposal: 4,561 Carbon Dioxide Removal Credits to DOE over the prize period.

Planned or Managed Carbon Sinks

  • Ebb Carbon (San Carlos, CA): Accelerates natural ocean processes that safely and permanently remove CO2 from the atmosphere. Delivery proposal: 3,000 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Equatic (Santa Monica, CA): Seawater electrolysis couples carbon dioxide removal with the generation of green hydrogen. Delivery proposal: 6,521 Carbon Dioxide Removal Credits to DOE over the prize period.
  • Vycarb Inc. (Brooklyn, NY): Removes and stores excess biogenic CO2 in the upper hydrosphere using controlled in-situ alkalinity reactor. Delivery proposal: 3,000 Carbon Dioxide Removal Credits to DOE over the prize period.