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The future impact of wind on BPA power system load following and regulation requirements

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4 Author(s)
Makarov, Y.V. ; Pacific Northwest Nat. Lab., Richland, WA ; Shuai Lu ; McManus, B. ; Pease, J.

Wind power is growing at a very fast pace as an alternative generating resource. As the ratio of wind power over total system capacity increases, the impact of wind on various system aspects becomes significant. This paper presents a methodology to study the future impact of wind on BPA power system load following and regulation requirements. Existing methodologies for similar analysis include dispatch model simulation and standard deviation evaluation on load and wind data. The methodology proposed in this paper uses historical data and stochastic processes to simulate the load balancing processes in the BPA power system. It mimics the actual power system operations therefore the results are close to reality yet the study based on this methodology is convenient to perform. The capacity, ramp rate and ramp duration characteristics are extracted from the simulation results. System load following and regulation capacity requirements are calculated accordingly. The ramp rate and ramp duration data obtained from the analysis can be used to evaluate generation fleet ramp requirement and regulating unitspsila energy requirement, respectively.

Published in:

Electricity Market, 2008. EEM 2008. 5th International Conference on European

Date of Conference:

28-30 May 2008