DG Gaussian process regression HOMER History of engineering & technology Monte Carlo simulations PLO's profit PV curves PV hosting capacity TSA/SCA Technology: general issues composite control strategy diesel generator different PV technologies distributed generation distribution networks distribution system energy independence energy storage system (ESS) green communities intraday forecasting machine learning microgrids min-max optimisation model-based predictive control off-grid system permanent magnet brushless DC machine (PMBLDCM) photovoltaics power losses power quality power quality improvement