Capacity estimation; Distributed generation; Minihydro generation; Time series forecasting Electric load forecasting; Estimation; Flow of water; Forecasting; Hydraulics; Water supply; Capacity estimation; Distributed generation; Mechanical components; Minihydro generation; System-capacity; Time series forecasting; Water flow (IGC: D7/E14); Time series; forecasting method; hydroelectric power plant; installation; power generation; time series analysis; water flow