Assessing the contribution of demand side management to power system flexibility

Angel Rosso, Juan Ma, Daniel S. Kirschen, Luis F. Ochoa

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    Abstract

    The increasing penetration of renewable energy sources, particularly wind power, raises concerns about the level of flexibility needed to cope with the inherent variability and uncertainty affecting these sources of energy. Departing from the common conception of providing flexibility using fossil-fuelled generators with fast ramp rates, this paper explores the use of demand-side resources. A technique to optimize the balance between the flexibility provided by fast generating units and the flexibility achievable from demand side management (DSM) is presented. This methodology is based on an extended unit commitment optimization that considers both short- and long-term aspects, i.e. operational and investment costs. The methodology is applied to the IEEE RTS (RTS-96), using actual demand and wind profiles from central Scotland. © 2011 IEEE.
    Original languageEnglish
    Title of host publicationProceedings of the IEEE Conference on Decision and Control|Proc IEEE Conf Decis Control
    Pages4361-4365
    Number of pages4
    DOIs
    Publication statusPublished - 2011
    Event2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011 - Orlando, FL
    Duration: 1 Jul 2011 → …

    Conference

    Conference2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011
    CityOrlando, FL
    Period1/07/11 → …

    Keywords

    • demand side management
    • Flexibility
    • integration of wind generation
    • long-term unit commitment
    • reserve requirements

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