New governance of the Brazilian power system models and data
I) Scientific Articles
1) Arthur Brigatto, Alexandre Street, and Davi M. Valladão. "Assessing the cost of time-inconsistent operation policies in hydrothermal power systems." IEEE Transactions on Power Systems 32, no. 6 (2017): 4541-4550.
2) W. Rosemberg, A. Street, J. D. Garcia, D. M. Valladão, T. Silva, and O. Dowson, "Assessing the Cost of Network Simplifications in Long-Term Hydrothermal Dispatch Planning Models," in IEEE Transactions on Sustainable Energy, vol. 13, no. 1, pp. 196-206, Jan. 2022.
3) Alexandre Street, Davi Valladão, André Lawson, Alexandre Velloso, "Assessing the cost of the Hazard-Decision simplification in multistage stochastic hydrothermal scheduling," Applied Energy, Volume 280, 2020.
II) Articles in Major Media Outlets and Public Contributions
1) Articles written for the Valor Econômico about the inconsistency between planning and operation (modeling risk) contributing with possible improvements in the incentives for a better governance of official models and their data: [PDF Article 1 - 2021], [Article 1, online] and [Article 2 - 2015], [Article 2, online]
2) In an interview with Canal Energia, I present my personal views on the problems I perceive to exist in the governance of the models: [Read the article]
3) A recent publication in the newsletter of the Stochastic Programming Society, where we raised this topic among renowned names, and the discussions led to an invitation to write this message in the society's newsletter. It can be accessed via the following link (page 14): [Read the newslettler]
4) A post explaining the effect of simplifications and optimistic bias in the models and data of the Brazilian electric sector used to support public contributions to Call 121 and provide input to competent entities for decision-making: [Open the post in a new tab]
5) A contribution made to the public Call 121 of the Ministry of Mines and Energy: [Access the submitted document] [Acess the energy ministry website where the contribution is posted]
6) Workshop on the governance of models in the Brazilian electric sector (Street, Edvaldo Santana, Camila Maia, and Alexandre Kenji):
[Go to the seminar page]
III) Occurrences
1) Decision from the Federal Court of Accounts (TCU) - Audit to assess the systematic planning of the operation of the Brazilian Electric Sector, including governance, assumptions used, mathematical and computational models, and impacts on supply security and the cost of electricity: [Go to the decision]
2) Official decision publicly available with new guidelines for the governance of models and data in the Brazilian electric sector: [Access published guidelines]
3) Final Report 1054145 (Portuguese) - Management of Hydropower Reservoirs in the Electric Sector: Impacts of Multiple Water Uses