Do not attempt to take off all the coating or scrub vigorously. The objective is to remove the regions that can easily be taken off. Do not damage the copper that stays below the oxidized layer. This is needed to build the solar panel. More Steps Cut the top part of the plastic bottle off, forming a makeshift bucket. Calculate Your Energy Cost Once you have a much better understanding and grasp of what solar energy systems are out there, and how they work, you simply need to learn how to calculate the cost of your energy consumption. This will actually help you determine which type of solar energy system you should choose from the two. Most modern nations are encouraging people to rely on this renewable resource so that they can save more and help conserve the environment. The trend can continue to provide benefits for decades to come if well-maintained. Here are some more tips and tricks. About Location First, you have to consider your current location. Most, if not all, solar power plants require a certain stretch of land area in order to house all the solar panels that these power plants need to have in order to properly harness and collect sunlight and solar energy. Depending on the size of the power plant and the solar energy output needed, each solar power plant land area would vary, from 250,000 square meters of solar panels in the United Kingdom, to the 93 million square meters of solar panel in China. At this day and age, there are actually over 200,000 homes that use solar energy technology, 10,000 of which are powered solely by solar energy. And with the introduction of different photovoltaic integrated products, and incorporating them into the construction of your home, or your work place, you can actually save a lot just from the initial cost of construction as compared to building a conventional custom house. The connection will be to the utility panel so that appliances and lights will work the same way when the switch is turned on. On Storage If the house is not using a lot of electricity from the solar energy created, the excess energy can be stored in a battery. When the sun is out, during night time or in the case of a power shortage or outage, the battery can be used to power different items in the home.