| Solar energy is a potential source of free | | | | silicon. Materials released during refining are the |
| electricity and water heating. It offers the power | | | | main health risks. Several steps in forming the |
| to enjoy electrical power in remote areas of the | | | | photovoltaic cells utilize toxic materials. These are |
| world. It seems to offer health and safety along | | | | sprayed on the cells, and can readily be inhaled. |
| with power, but does it? | | | | It is estimated that solar energy health risks |
| Solar energy health risks are seldom mentioned. | | | | associated with producing PV panels per unit |
| That may be partially due to the limited use of | | | | energy may be between 11 and 21 deaths per |
| this source of energy. It may also be due to the | | | | quadrillion joules of energy produced. |
| lack of research in this area. Some have begun to | | | | Solar energy health risks from PV panels are |
| study solar energy health risks, however, and if | | | | very slight once the panels are produced and |
| one researches long enough, a few estimates are | | | | installed on the consumer's home. This type of |
| available. | | | | solar energy is known for reliability and low |
| Thermal Solar Energy Health Risks | | | | maintenance. The home owner seldom needs to |
| Solar energy health risks are inherent to the | | | | be involved in any repairs, and thereby cuts solar |
| design and installation of most thermal energy | | | | energy health risks. |
| systems. These are the systems designed to | | | | Passive Solar Energy Health Risks |
| heat water and air for household use. | | | | Passive solar energy provides safety and health. |
| Solar water heaters complete three basic | | | | A new building that maximizes this technology can |
| operations before delivering hot water to your | | | | reduce energy costs by nearly one half. How? |
| faucet or your heating unit: | | | | 1. Warming indoor air in a house through vertical, |
| 1. collect sunlight and convert it into heat energy. | | | | slanted windows facing the sun. The windows |
| 2. circulate fluids that transfer the heat energy to | | | | capture maximum solar energy from the sunlight. |
| a storage unit | | | | 2. Collecting solar energy in adobe or stone walls |
| 3. store the hot water until you need it | | | | and floors, and then releasing it into the air as the |
| The solar energy health risks with such a system | | | | temperature falls. |
| usually occur in the storage units. Some units allow | | | | 3. Collecting solar energy in a sun space, much like |
| for the growth of allergenic molds and fungi. | | | | a greenhouse built on the sunny side of the home. |
| If proper materials are used for the storage unit, | | | | This heat is sent into the home with proper |
| however, these solar energy systems present | | | | ventilation. |
| few, if any, health risks. Their advantages are | | | | 4. Holding water in black roof tanks until needed, |
| that they are far safer than most fossil fuels or | | | | cutting the working time of the home's hot water |
| nuclear power - they have no emissions and do | | | | heater. |
| not pollute the air. | | | | 5. Using clerestories - rows of windows near roof |
| PV Panel Solar Energy Health Risks | | | | peaks that catch sunlight and bounce it through |
| The solar energy health risks associated with | | | | the building. The sunlight reduces the need for |
| photovoltaic (PV) panels occurs before the panels | | | | electric lights. |
| are put into use on the consumer's home. PV | | | | In Summary |
| panels are the panels used to collect solar energy | | | | Solar energy technologies present few, if any, |
| from sunlight and convert it into usable electricity. | | | | health risks for the end user. Their use can |
| The manufacture of PV panels requires the use | | | | reduce the health risks presented by other |
| of toxic materials. Silicon dioxide is mined from | | | | energy sources, providing cleaner, safer, more |
| sand or quartzite and reduced with heat to pure | | | | cost effective energy. |