1. Met Mast Data for Wind Forecasting Daniel Joyce & James Mc Connell

2. Contents Primary Objective of Wind Forecasting Wind Power Forecasting Data How is the Data Used? Questions

3. Primary Objective of Wind Forecasting Facilitate more variable generation It is not just energy balance and variable output that drives dispatch SNSP – Synchronous, Non-Synchronous Penetration 75% 50%75%SNSP:

4. Wind Power Forecasting Data EirGrid Procure Wind Power Forecasting Services Two Wind Power Forecast Vendors

5. Wind Power Forecasting Data WEF 2 Real Time: SCADA MW Met Availability Outages D+2: Dispatch Meter MW o SCADA MW o Meter Met o Speed o Direction o Pressure o Temperature Dispatch o Dispatch Instructions Availability o Available MW o % Mechanically Available o % Available H/S Shutdown Outage o Full o Partial Data Feeds

6. How is the Data Used? Actual (SCADA) Forecast Output [MW] Time [S]

7. How is the Data Used? Time [s] Speed [ms -1 ] Forecast Output [MW] Time [s] SCADA Forecast Actual

8. How is the Data Used? Standing Data Data Feeds Power Forecast Power Forecast Correction Power Forecast D-1 D+0D+1 Standing Data Data Feeds Power Forecast Power Forecast Correction

9. How is the Data Used? Power Forecast Correction Wind Forecast Turbine Model o SCADA MW o Meter o % Available H/S Shutdown o Speed o Direction o Pressure o Temperature o Dispatch Instructions o Available MW o % Mechanically Available Outage

10. 75% 50%75%SNSP: Facilitate More Variable Generation

11. Thank You