| Also known as PV, photovoltaic is an array of cells | | | | Uses |
| comprising of photovoltaic material which transforms | | | | Solar cells generate direct current electric power from |
| energy from sun into direct electricity current. Presently, | | | | the sun's radiation. The electricity thus generated is |
| the materials used for photovoltaic solar power | | | | used to power devices or recharge battery. The |
| generation include polycrystalline silicon, monocrystalline | | | | practical use of photovoltaic initially was to power |
| silicon, copper indium sulphide, cadmium telluride and | | | | spacecraft and orbiting satellites. But in recent time, the |
| microcrystalline silicon. | | | | larger number of photovoltaic modules is applicable to |
| As a result of increasing demand for renewable | | | | grid-connected generation of power. An inverter is |
| sources of energy, there has been great | | | | needed in this instance to convert the DC to AC. A |
| advancement in the manufacturing of photovoltaic | | | | smaller market exists for off-grid power, to power |
| arrays and solar cells. Production of electric through | | | | boats, provide electricity for remote dwellers, power |
| the process of photovoltaic is being doubled in every 2 | | | | electric cars, recreational vehicles etc. |
| years for almost a decade now; the average increase | | | | Building-integrated Photovoltaic |
| is 48% every year. As a result, photovoltaic production | | | | This is the installation of photovoltaic solar panels in a |
| is the fastest growing energy tech in the world today. | | | | building's roof, either as a main source of electric |
| Approximately 90 percent of this massive energy | | | | power or as an alternative. Building-integrated |
| generation through photovoltaic means comprises of | | | | photovoltaic are among the fastest growing aspects |
| grid-tied electrical systems. This type of installation | | | | of the photovoltaic industry. Basically, an array is |
| could be built into the roof or ground-mounted. The one | | | | integrated into a building's roof or wall, and individuals |
| built into the roof is called Building Integrated | | | | can now purchase roof tiles that have PV cells |
| Photovoltaic (BIPV). Due to advancement in technology | | | | integrated into them. Also, an existing building can have |
| and increased production, photovoltaic solar power | | | | arrays retrofitted into them; in this instance, the fitting is |
| generation cost has been on a progressive reduction | | | | done on top of the roof structure. Another option is a |
| since the manufacturing of the initial solar cells were | | | | separate location of an array from the building, which is |
| produced. Today, net metering as well as financial | | | | connected to give electric power to the building |
| incentive has promoted the installation of solar PV | | | | through the use of cable. |
| installations in different countries of the world. | | | | For those buildings situated at substantial distance from |
| The best way to describe photovoltaic is that it is a | | | | the conventional electric source, PV could be the best |
| technique used in generation of electrical energy by | | | | alternative for generating electricity. For off-grid cases, |
| converting solar radiation to electricity through the use | | | | the electric power is stored using batteries. |
| of solar cells. In order words, photovoltaics is energy | | | | Photovoltaic power has so many uses and has also |
| directly from the sun. Photovoltaic effect is basically | | | | helped in reducing environmental hazard which the |
| photons of light hitting electrons into a higher energy | | | | conventional energy sources such as fossil burning |
| state in order to generate electric power. Nearly every | | | | have caused. |
| photovoltaic device is a type of photodiode. | | | | |