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Multiscale Stochastic Simulation of the US Pacific Northwest Using Distributed Computing and Databases with Integrated Inflow and Variable Renewable Energy

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Document pages: 12 pages

Abstract: Modelling challenges of the United States Pacific Northwest system have grownin the last decade. Besides classical modelling difficulties such as a complexhydro cascade with many operational constraints, we have seen higherpenetration of variable renewable energy inside and outside the system leadingto internal issues and completely different power exchanges with the West CoastSystem. The analysis of adequacy and reliability of this system motivated thedesign and implementation of a five-step simulator including four planningphases and an operation step. The five levels were modeled as mathematicalprograms that are linked from top to bottom by fixed decisions and improvementsin forecasts, on the other hand they are also linked from bottom to top bysystem updated states. The solution of the millions of resulting mathematicalprograms was made possible by applying state of the art optimization techniquesand high performance data bases in a massively parallel environment.

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