An individual low-voltage solar panel will not be enough. You will need several panels connected together to power a house sufficiently. Building and installing sun power panels may sound convenient, but it is not really. However, should you decide that you like to take about this challenging project, there are actually resources available to assist. Many excellent guides are offered to walk you with the process step by step. Doing it from scratch is in fact far more cost-effective than using kits. Either way you may build a solar power electrical, it will be highly necessary for the environment and save big money on electric bills.