The reflector will track the sun along an axis or two. Parabolic dish systems provide the best efficiency over other technologies. The 50kW Big Dish in Canberra, Australia is a great example. The Stirling solar dish mixes a parabolic focusing dish that includes a Stirling heat engine that regularly drives an electric generator. Let the copper stay on the burner for about 40 minutes or up to the time that a thick coat of oxidized black material turns up. Turn the heat off on the burner, then let the copper cool in the air. This process should take only around 20 to 30 minutes. Slowly scrub the copper using your hands under running water to eliminate majority of the easily removed parts of the oxidized coating. This is the most useful kind of current for majority of applications. The charge controller will terminate the charging once the battery reaches the full charge. The batteries will not gas out this way and battery longevity is enhanced. Grid-Tie Solar System The grid-tie solar system is very useful for homes that are already linked to the utility grid. Solar energy power plants require a significant amount of space in order for it to be able to harness and collect enough solar energy and sunlight through its solar panels. Aside from that, solar energy power plants also require a place that is relatively very sunny at most times during the day, in order to get the most energy and sunlight. The AC current can power loads in the house and other commercial buildings. It is important to consider the part of the house, as well as the right angle of the sun so that the solar panels can gather the most light over more hours of the day for optimum results. You can choose to build your own solar panels or just order a pre-made one online. The windows will make sure that the home stays comfortable any day of the year. Ventilation refers to maintaining the cool inside the home during extra hot days. Passive Solar Heating Passive solar heating belongs to the category of solar space heating. The heating process can be done by orienting the home well so that most of the windows face to the south.