PREDIÇÃO DA DEMANDA ENERGÉTICA EM HUILA: COMPARAÇÃO DE MODELOS PREDITIVOS
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Este estudo analisa a demanda energética do departamento de Huila entre 2023 e 2025 por meio de modelos estatísticos e de aprendizado de máquina, com o propósito de avaliar sua capacidade preditiva e fornecer evidências para a compreensão da dinâmica recente do consumo elétrico regional. A base de dados utilizada inclui séries diárias e horárias do consumo elétrico, o que permitiu examinar padrões sazonais, tendências de crescimento e variações da demanda associadas a diferentes comportamentos temporais. Na análise, foram implementados modelos ARIMA, SARIMAX, regressão linear, Support Vector Regression (SVR), Gaussian Process Regression (GPR) e Random Forest, e seu desempenho foi avaliado por meio de métricas de erro como MAE, RMSE, MAPE, MASE e R². Os resultados mostram que os modelos estatísticos tradicionais, em particular ARIMA e SARIMAX, apresentaram desempenho mais limitado diante da complexidade e da não linearidade da série analisada. Em contraste, os modelos de aprendizado de máquina alcançaram melhores níveis de ajuste, destacando-se o Random Forest, com um RMSE de 14,137 unidades e um R² de 0,67, o que o posiciona como o modelo de melhor desempenho entre os avaliados para a previsão horária. Nesse sentido, os achados permitem identificar o potencial das abordagens de aprendizado de máquina para fortalecer exercícios de previsão da demanda energética em escala regional.
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