Empirical evidence of the cost of capital under risk conditions for thermoelectric power plants in Brazil - Coelho Junior, Luiz Moreira; Fonseca, Amadeu junior da Silva; Castro, Roberto; Mello, João Carlos de Oliveira; Santos, Victor Hugo Ribeiro dos; Pinheiro, Renato Barros; Sousa, Wilton Lima; Santos Junior, Edvaldo Pereira; Ramos, Dorel Soares (Energies, 2022)