The article discusses grid-connected solar PV system, focusing on residential, small-scale, and commercial applications. generate back into the grid. Increased solar and DER on the electrical grid means integrating more power electronic device, which lar panels: 200W, 250W, 300W, 350W, 500W panels. There are a lot of in-between power ratings like 265W, for example. Bi solar panel system: 1kW. Here are design tips for methods of PV system utility interconnection. The utility connection for a PV solar. All solar farms connect to a specific point on the electrical grid, the vast network of wires that connects every power generation plant to every home and business that consumes power.