... of over $12m in foreign exchange yearly (Moyo, 2018). Load forecasting Electricity demand Grey modelling Wavelet transform Structural flexibility In 2021, electricity demand in Central Africa grew by 4%, more than the International Energy Agency's (IEA) forecast of 1.5%, in the wake...

.... The new data sequence is used to establish an unbiased GM(1,1) model and statistical experiments and a practical example in load forecasting are given in the paper. Findings The results of statistical experiments and a practical example in load forecasting show the proposed method is effective...