An available second inverter will help make sure that power is present if one of the inverters will need servicing. Self-contained systems like these require an adequate battery keeping capacity to give electricity when solar power is not available because of prolonged adverse weather conditions. The complete stand-alone system usually needs 20 solar panels for safe battery keeping and adequate charging. You should also read about the background of the company and what their objectives are in making these pieces. You should read more about installation to check if you want to install or build the panels yourself or hire a professional. There are several web sites, online forums and internet stores where you can learn more about the available models and how these can best suit your location. Passive solar energy does not require the use of mechanical devices and provides you the advantage of getting energy nonstop and in a more cost-effective manner. Passive solar energy is further divided into different categories. Here are some more tips and guidelines on the kind. On Orientation There are a number of principles that you have to keep in mind to take advantage of passive solar energy fully. The disadvantage in terms of availability is that you cannot access the energy if there is no sunlight. You cannot rely on solar power at night or in places that tend to be very cloudy for several months. People living in tropical areas or desert regions can rely on solar panels. However, those who experience very long winter months may not get the best effects. Before we can discuss more about the different risks, let us first discuss what solar energy is, and how it is produced in order to understand its different risks. Known Dangers of Solar Energy For those of you who don t know, solar energy is actually produced from a process that occurs within the sun known as nuclear fusion. It is important that you know more about the idea to determine if it is the best option for you. Solar power can render several benefits for the long term. You can take advantage of the features by choosing the right type and maximizing the effect right in your own home. About Solar Solar power is described as the creation of electricity straight from the sun.