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Review of Power System Operation 2009 Michael Kelly

Review of Power System Operation 2009 Michael Kelly. Daily Load Shape. 2006. Daily Load Shape. 2007. Daily Load Shape. 2008. Daily Load Shape. 2009. Demand Reduction. Wind Stats. 1161 MW installed (30/9/09) 16% of total capacity installed 7,174 MW(6,013+1,161)

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Review of Power System Operation 2009 Michael Kelly

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  1. Review of Power System Operation2009Michael Kelly

  2. Daily Load Shape 2006

  3. Daily Load Shape 2007

  4. Daily Load Shape 2008

  5. Daily Load Shape 2009

  6. Demand Reduction

  7. Wind Stats • 1161 MW installed (30/9/09) • 16% of total capacity installed 7,174 MW(6,013+1,161) • 999 MW max output (12/8/09) • 43% of system demand (8/9/09) • 0.1% of energy dispatched off (year to 30/9/09)

  8. Wind Penetration

  9. Impacts • Lower risk of supply shortage • Greater opportunity for transmission and generation maintenance • Amber alerts 2008 = 33, 2009 = 2 (to date) • Changed running regimes • Base load to mid merit • Mid merit to peaking • Greater Opportunity for transmission maintenance • Localised transmission restrictions

  10. North West Transmission System • 2nd Oct 13:29 • 2 110kV lines on maintenance • high wind and low demand • 110kV Line from Golagh to Cathleen’s Fall is over loaded

  11. Increasing Cycling of Generators

  12. Performance Monitoring Why? • Need to know capability of system: • Existing: Performance vs Standard • Impact of Changes e.g. Generation Portfolio • Grid Code • Non Compliance of one user can result in lack of access for another user and / or cost to end customer

  13. Performance Monitoring What? • Looked at some metrics from existing systems • Will be discussing these with Users • Developing a software system to produce regular reports • Incentives… • Contact: anne.trotter@eirgrid.com

  14. Best New Entrant

  15. Wind Farm Control • Direct control of 457 MW of wind from NCC • Example • 2nd Oct 13:29 • 110kV Line from Golagh to Cathleen’s Fall is over loaded

  16. Winter 2009/2010 • Available Capacity • Conventional 6,013 MW • Wind 1,250 MW installed, 250 MW reliance • Peak • 4,680 MW • 226 MW below 4,906 MW in December 2007

  17. End

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