Kevin Bullis From Technology Review: First Solar Energy

According to solarhome, the term solar power more specifically refers to the use of the sun’s energy for electricity.

Simply stated, the definition of "solar energy" is energy that is created by the sun. In the context of modern usage, "solar energy" may refer to technology that converts radiation from the sun into usable energy sources, such as electricity. In essence, solar panels gather energy from the sun 's rays and send the energy out through a process that results in electricity, that can be used to power homes, machinery and much more. Solar energy is a sought-after source of alternative energy because the sun offers a clean, renewable and cost-effective resource as long as it continues to burn and power life on Earth.

Let’s tackle how solar panels work, and how much they produce first. Within solar panels, there are solar cells that convert the sun’s light to energy. This is accomplished by a photon hitting the cell and knocking an electron out of its orbit. Then electric fields will pull the electrons that are now free

Solar cells directly convert photons from the sun into electricity (Wikipedia). Solar cells that convert both solar and non-solar light are called photovoltaic cells (Wikipedia 2006). They are made of semi conducting materials, most often silicon (Aldous 2006). The simplest photovoltaic cells power watches and calculators while larger, more complex systems can add

Solar energy is one of the alternatives to fossil fuels. Solar energy is used to create electricity in two ways. The first process is using sunlight to heat up water that creates high-pressure steam that spins turbine blades. The second process involves the movement and displacement of electrons to absorb the sun's radiation and create electricity (Energy Kids). Solar energy can be

A solar cell is a device which produces electricity through the conversion of light energy, through the photovoltaic effect. The photovoltaic effect is a chemical and physical phenomenon, and relates to the creation of electrical current within a material when it is exposed to light. Solar cells are considered to be photovoltaic, despite whether the source of light is produced artificially, or is from the sun.

The sun is the main source of energy on earth, providing the planet with radiant energy which is transformed once it reaches every substance on the planet into a different kind of energy, making the wind blow, the seas flow and all atoms move. The energy in the Wind and sea have been used for centuries and nowadays thanks to the photovoltaic effect, a part of this vast energy can be harnessed and directly transformed into a more usable way of energy, electricity.

The solar energy is the energy from the sun. First, the PV cells from the sun converts to DC electricity. Then, using an inverter, the DC electricity gets converted into AC electricity. Then, the panel sends the panel to your lights. Solar energy is useful because it’s abundant, sustainable, and environmentally friendly. First, solar energy is abundant. The surface of Earth receives about 120,000 terawatts, which is about 20,000 times the amount that is needed to supply the entire world. Second, solar energy is sustainable. Because solar energy is both renewable and abundant, it means that is is also sustainable. Finally, solar energy is environmentally friendly. The pollution relating to manufacturing and transferring solar panels is nothing compared to pollution caused from other nonrenewable

Solar energy is a photovoltaic effect. It is the act of electricity generated from sunlight. Sunlight begins with the sun. The sun is made up of four layers which are: the core, the radiative zone, the convective zone, and the photosphere. These layers have their own purposes that creates light. Light is a form of radiation, electromagnetic radiation, which is made up of photons. The core produces the energy by hydrogen atoms(H). Then it converts to nuclei of helium. The temperature of the sun is 5,778 Kelvin (9940.73 Fahrenheit) because of how much pressure it has. The pressure creates Nuclear Fusion which is what creates heat and light.

Solar energy is energy that is produced by the sun in the form of heat and light (“Solar Energy”). Solar energy is said to be one of the most widely available sources of energy. Solar energy is also said to be one of the best renewable energy sources to choose from. Solar energy is said to be the greatest of all renewable energy sources because it is plentiful and, solar energy is free economically. Solar energy scientifically can be used to convert the sun’s energy into either heat energy or the energy can be converted into electricity. If solar energy is converted to electricity, it goes through either two processes. The first process is solar thermal energy. Solar thermal energy is a form of energy in which the sun is used to produce heat, that then the energy can be used in a variety of ways

Solar energy is defined as the energy that comes from the suns radiation. Solar energy can be harnessed and used through, the law of the conservation of energy. The law of conservation of energy states that the energy within a system is constant. The law also states that energy cannot be created or destroyed it can only change forms. Solar energy in the form of sunlight can be converted into electricity. The electricity created from sunlight is called solar power. In order to turn sunlight into electrical energy a solar panel is used. The solar panels are made up of photovoltaic cells. These cells convert sunlight into direct current electricity throughout the day. This direct current is then transformed into the usable alternating current electricity by the inverter. When more energy is produced than is needed, like on bright sunny days, the extra electricity is automatically while the rest is stored in a battery. The only setback of solar energy is that it isn’t always available. However when the sun goes down or the weather blocks sunlight the energy that was previously stored will be used. This energy feeds directly into the breaker supplying electricity to the house or building. This electricity power the devices in a house like the

Solar panel, which full name is called solar panel electricity systems, also known as solar photovoltaics, capture the sun 's energy using photovoltaic cells. These cells do not need direct sunlight to work, they can still generate some electricity on a cloudy day. The cells convert the sunlight into electricity, which can be used to run household appliances and lighting (energy saving trust, 2014). At the beginning of solar panel 's carry out, it is not known to many people who are used to the traditional way of electricity supplement. However, people started to realize that the traditional energy is not unlimited, and will be depleted quickly with the popularize of new power knowledge. Additionally, The Solar panel which was only a niche

So how do we channel the sun’s radiant power into useable solar energy? With the use of photovoltaic (PV) cells. PV cells are used to collect sunlight and convert it into electricity. According to Kathie Zipp with Solar Power World, “A solar panel, or module, is a series of interconnected silicon cells

Roger A.Hinriches and Merlin Kleinbach (2006) declared (claimed) that “every day the earth surface receives thousands of times more energy from the Sun than it consumed in all other resources”. Cleanliness, availability and renewability of solar energy make it virtually ideal. (Grant E.Gardner, 2008). The use of solar energy for production of electricity is based on the photoelectric effect. The photoelectric effect is a process, when light strikes certain metals and, as a result, electrons are emitted from the metal surface. (Hugh D.Young, Roger A.Freedman 2008). Photovoltaic cells (PV), known as solar cells, are devices which collect radiation energy in the form of sunlight and convert into electricity. Solar cells are made of semiconducting materials, especially silicon. Silicon absorbs photons of light which strike the cells. The energy of the absorbed light transfers to the silicon semiconductor, after that this energy pushes electrons out. This is why the can flow freely which leads to the emergence of electric current. The electrical energy from solar cells can then be used directly. However, considerable amount of solar energy on PV cells

Therefore, the use of solar energy panels is environmentally friendly. Solar energy panels, also called photovoltaic panels, are made of materials that concentrate the sun's rays. When the sun's rays struck a PV panel, a number of the energy can be consumed by the panel.