2-150 kHz ANFIS COVID-19 Data Injection Attack Energy industries & utilities Hidden Markov Model History of engineering & technology K-means MPPT Power Line Communications (PLC) THDi Technology: general issues agglomerative battery energy storage systems (BESS) binary-coded genetic algorithms cluster analysis cluster analysis (CA) clustering conducted disturbances critical infrastructure data mining demand response demand-side management demographic characteristic dictionary impulsion different batteries discrete Haar transform discrete cosine transform discrete wavelet transform distributed energy resources