The negative terminal must link to the cooked sheet. Dissolve two tablespoons of salt into a few cups of water. Pour right into the plastic bottle, allowing the water level to rise about 1 inch from the top of the sheet. Put the bottle out in the sun and observe the meter. The meter should rise consistently to about 50 micro-amps. Building Your Own Solar Power Generator You can use parts that are available on the internet or your local store. You can create a tiny solar power generator with a budget of only $200 to $300. This is ideal for power failures and life outside the power grid. The setup can also effectively power the modem, television, DC appliances, computer, cameras and lights. The two are only even when additional energy is paid for from the utility company. The surplus will go straight back to net metering. The smaller version can power a water heater in the house. Homeowners can also get the same effect by simply converting sunlight into heat. Environmental Friendliness The good thing about solar energy installed for homes is that the system is very efficient and environmentally friendly. How much sunlight do you get per day? Some locations are very ideal for installing solar cell panels, while other people may do better with an electrical or battery source. Places that get around 4 to 6 hours of sunlight per day at least can do well with a solar energy system. Preferably, tropical and desert areas should start investing in a solar energy system to get the most benefits. During the 1970s, more people saw the use of solar panels through the newly designed calculators that can run easily under light. At present solar panels and full solar panel systems are used to power different applications and structures. Aside from calculators, solar panels are now used to give power to homes, commercial buildings and other huge structures. About Price Learn how to compare between types to know how much you need to pay for. The prices of the solar panels will vary depending on the brand and the size. There are also other factors to consider such as maintenance and if the package includes free installation. Some companies will ask for fees to install the panels, while other buyers may opt to install these themselves to save more.