Distributed generation and security of supply: Assessing the investment deferral

David T C Wang, Luis F. Ochoa, Gareth P. Harrison

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    Abstract

    Technology advances together with environmental concerns have paved the way for the increasing integration of Distributed Generation (DG) seen over recent decades, having an important role in governments' targets. While several technical challenges are now faced by Distribution Network Operators (DNOs) in order to properly accommodate DG developments, one of the major and well-recognised benefits is the ability of DG to defer future demand-related investments. Here, a more integral approach is presented where also reinforcements required by system security standards (e.g., N-1) are taken into account. This methodology builds on a previous work where the successive elimination method and multistage planning were utilised to quantify the investment deferral brought about by DG. The DG contributions to system security provided by the UK Engineering Recommendation P2/6 are adopted, enabling the methodology to quantify the deferment produced by DG considering both demand growth- and system security-related investments. The method is applied to a UK generic distribution network. Results show that significant economic benefits can be harnessed when strategically incorporating DG at the planning stage. © 2009 IEEE.
    Original languageEnglish
    Title of host publication2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future|IEEE Bucharest PowerTech: Innovative Ideas Toward Electr. Grid Future
    DOIs
    Publication statusPublished - 2009
    Event2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future - Bucharest
    Duration: 1 Jul 2009 → …

    Conference

    Conference2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future
    CityBucharest
    Period1/07/09 → …

    Keywords

    • Distributed generation
    • Distribution networks
    • Investment deferral
    • Planning

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