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Air and Climate Change Research

Climate Change Assessments

Status/Results

Global Climate Change
Climate Change Assessment Projects
MARKAL
Researchers within the U.S. EPA’s Office of Research and Development are investigating the potential environmental implications of future societal and global changes. At the heart of EPA’s analysis is the MARKet ALlocation (MARKAL) energy system optimization model. MARKAL includes representations of the components of an energy system, such as energy supplies and demands, and the technologies that use energy. The MARKAL model itself provides only a generic representation; data must be entered to characterize the specific energy system being modeled. This typically involves developing a representation of the current energy system, as well as projections of resource supplies, energy demands, and technology characteristics over a modeling horizon of 20 to 50 years. Given a mathematical representation of the system as input, MARKAL uses linear or mixed-integer linear programming solution techniques to calculate the least cost.
Factsheet (PDF) (2 pp, 261 Kb) | Web site
Energy Modeling with Markal
APPCD researchers are using the MARKAL energy system model to estimate future-year technology penetrations and the associated emissions. MARKAL is a mixed integer linear programming optimization model. It includes mathematical representation of the structure of an energy system, including representations of fuel supplies (e.g., coal, oil, natural gas, and renewables), conversion technologies (e.g., boilers that convert coal to electricity and refineries that convert oil to gasoline), end-use technologies (e.g., automobiles, kerosene heaters, and light bulbs), and the end-use demands met by these technologies
Factsheet (PDF) (2 pp, 108 Kb) | Web site
Emissions Offsets from Wind, Landfill Gases and Municipal Solid Waste Generation

Contact
John Masters, Communications
Phone: 919-541-0634
Email: masters.john@epa.gov
U.S. EPA National Risk Management Research Laboratory
Air Pollution Prevention and Control Division
Mail Code: E343-02
Research Triangle Park, NC 27711

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Air and Climate Change Research | Water Research | Ecosystems Restoration Research | Land Research | Technology: Sustainable Technologies Research, Environmental Technology Verification Program (ETV), and Technology Assessments

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