XGBoost (Aşırı Gradyan Artırımlı Karar Ağaçları) ile Hidroelektrik Enerji Tahmini

Yıl 2025, Cilt: 40 Sayı: 1, 205 - 218, 26.03.2025

Bektas Aykut Atalay , Kasım Zor

https://doi.org/10.21605/cukurovaumfd.1666062

Öz

Hidroelektrik enerji, Türkiye'nin hızlı ekonomik ve nüfus artışıyla artan enerji talebinin karşılanmasında büyük önem taşır. Mevsimsel bağımlılığı nedeniyle hidroelektrik enerji, tahmin algoritmaları için uygundur. Bu çalışma, Türkiye'de 100 MW'ın üzerinde güç üreten EÜAŞ Aslantaş HES'de enerji üretimini tahmin etmeyi amaçlamaktadır. Tahmin modeli, XGBoost (Aşırı Gradyan Artırımlı karar ağaçları) ile tarih-saat kayıtları, geçmiş enerji üretim verileri ve sıcaklık gibi çeşitli girdi kullanılarak oluşturulmuştur. Üretim verileri, EPİAŞ Şeffaflık Platformu’ndan alınmış ve Python ile işlenmiştir. XGBoost modeli, farklı ağaç sayıları ve öğrenme oranı (η) denenerek optimize edilmiştir. Modelin etkinliği, belirleme katsayısı (R²), Ortalama Mutlak Ölçekli Hata (MASE), Kök Ortalama Karesel Hata (RMSE), Ortalama Mutlak Hata (MAE) ve Ağırlıklı Mutlak Yüzdesel Hata (WAPE) gibi çeşitli hata ölçümleri ile titizlikle değerlendirilmiştir. Bu çalışmada kullanılan yöntemler ve elde edilen sonuçlar, hidroelektrik enerji tahmininde makine öğrenimi algoritmalarının faydalı olabileceğini ve enerji yönetimi stratejilerinin optimize edilmesine yönelik önemli bilgiler sunabileceğini göstermektedir.

Anahtar Kelimeler

HES, Hidroelektrik, Tahmin, XGBoost

Hydroelectric Power Forecasting via XGBoost (Extreme Gradient Boosted Decision Trees)

Öz

Hydropower energy is crucial for meeting Turkey's growing energy demand, driven by rapid economic and population growth. Its seasonal variability makes it suitable for forecasting algorithms. This study aims to predict energy production at the EÜAŞ Aslantaş Hydroelectric Power Plant, with a capacity exceeding 100 MW. A forecasting model was created using XGBoost (Extreme Gradient Boosted Decision Trees) incorporating inputs such as timestamp, historical energy production data, and temperature. Energy data source is the EPİAŞ Transparency Platform and the data was processed with Python. The model was optimized by varying the number of trees and learning rates (η). Its effectiveness was rigorously assessed using statistical metrics, including the coefficient of determination (R²), Mean Absolute Scaled Error (MASE), Root Mean Squared Error (RMSE), Mean Absolute Error (MAE), Weighted Absolute Percentage Error (WAPE). The results indicate that machine learning algorithms can significantly enhance hydropower energy forecasting and optimize energy management strategies.

Anahtar Kelimeler

HPP, Hydroelectricity, Forecasting, XGBoost

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