A 2 kW on-grid solar power plant refers to a solar photovoltaic (PV) system that is designed to generate electricity from sunlight and feed it directly into the electrical grid. Here's a detailed overview of a 2 kW on-grid solar power plant.A 2 kW on-grid solar power plant refers to a solar photovoltaic (PV) system that is designed to generate electricity from sunlight and feed it directly into the electrical grid. Here's a detailed overview of a 2 kW on-grid solar power plant.