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VIANA, Alexandre Guedes. Auctions as an allocative mechanism for a new Market Design in Brazil. 2018. 624p. Thesis (Phd in Power Systems) – Polythecnic School, University of São Paulo, 2018. The current Brazilian market design of electricity sector (SEB) is showing many problems, and I point out three severe ones: (i) Economic and financial sustainability; (ii) Poor price signal; (iii) Technical and regulatory complexity. These three problems combined diminish the allocative efficiency and create an unfriendly business environment, which distorts the cost and risk allocation. Brazil has a strong tradition in electricity auctions, highlighting those auctions are internationally recognized as an effective tool in attracting new investments and assuring supply adequacy. Therefore, the primary goal of this study is to present a new Brazilian electricity market design that uses auctions as the main allocative mechanism, including the introduction of features that improve the efficiency of the system and grid operations, as well. The second goal is to organize and present the auction and market design theory in Portuguese, providing a reference to others that want to research and study the theme. The proposal of a new market design splits the Capacity from Energy, and Grid Services from Commercialization in Distributors’ market, observing that the Distributors Commercialization part would be allocated in a Loading Service Entity (LSE). The creation of a Capacity Market would keep the energy policy room and address the supply adequacy concern, and this market combined with LSEs would allow the liberalization of all consumers to choose their suppliers. The Grid Operation also would be modified from a tight pool model to a loose pool model, and the new model would include auctions as the main allocation mechanism. One critical point to the success of a new Brazilian market design is the transition process; especially due to the complexity of SEB this study proposes a 72-month transition process. In the end, the new Brazilian market design will seek for more economic efficiency and a correct risk allocation, creating a betterorganized business environment on par with conditions in more advanced electricity markets.

Leilões como mecanismo alocativo para um novo desenho de mercado no Brasil.