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German Approach and Experience with Integrating Large Amounts of Wind Energy into a Power System

Background Information. This presentation is based on the report:B. Ernst, U. Schreier, F. Berster, C. Scholz, H.-P. Erbring, S. Schlunke, J.H. Pease, and Y.V. Makarov,

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German Approach and Experience with Integrating Large Amounts of Wind Energy into a Power System

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    1. German Approach and Experience with Integrating Large Amounts of Wind Energy into a Power System Dr. Yuri Makarov, Chief Scientist - Power Systems The Northwest Wind Integration Forum Technical Work Group: International Large Scale Wind & Solar Integration Techniques & Operating Practice Germany, Denmark, Spain July 29-30, 2010, Portland, OR

    2. Background Information This presentation is based on the report: B. Ernst, U. Schreier, F. Berster, C. Scholz, H.-P. Erbring, S. Schlunke, J.H. Pease, and Y.V. Makarov, “Large-Scale Wind and Solar Integration in Germany,” Final Report PNNL-19225, Pacific Northwest National Laboratory, Richland, WA, February 2010. The report is available online: http://www.pnl.gov/main/publications/external/technical_reports/PNNL-19225.pdf The objective is to provide incremental information to the presentation made by Dr. Ing. Hendrik Neumann (Amprion GmbH) Concentration will be made on the 50Hz Transmission GmbH Experience

    3. Acknowledgements PNNL’s trips to Spain and Germany were sponsored by BPA Technology Innovation Office Many thanks to Terry Oliver and John Pease, BPA This presentation would not be possible without contributions from Amprion GmbH and 50Hz Transmission GmbH managers and engineers: 50Hz Transmission GmbH: Christian Scholz, Hans-Peter Erbring, Stephan Schlunke Amprion GmbH: Dr. Bernhard Ernst, Uwe Schreier, Frank Berster

    4. Outline Facts about the German system Facts about the 50Hz Transmission System Balancing Reserves Structural Factors Helping Wind Integration Operational Factors Helping Wind Integration Structural Factors Causing Problems Operational Factors Causing Problems Changes to Be Made

    5. Facts about the German System

    6. Facts About the German System: TSOs TSOs are responsible for: Balancing deviations for their portion of renewable resources as well as other deviations Using contracted regulation power for this purpose German TSOs, such as 50HzT, are independent transmission operators which Do not operate the plants Do own transmission system The German Energy Law requires: The TSOs to provide grid access without discrimination Facilitate competition among producers and energy traders.

    7. Facts About the German System: Wind Capacity and Ramps Germany has ~ 26 GW of wind capacity and ~10 GW of solar capacity Peak demand is ~ 80 GW Minimum demand is ~ 30 GW One of the largest ramps observed was 5 GW within 8 hours.

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