GAMMA SOLAR HOLDING

Photovoltaic projects

Gamma Solar Holding is involved in a total of 9 Photovoltaic projects in Greece (main land and Greek Islands),the south of Italy (Puglia). Project sizes ranges from 100 kW to 1.7 MW. All projects involved are ground mounted and fixed tilt. Projects have been commissioned starting 2011.

List of photovoltaic projects:

• 993 kW (Italy)
• 907 kW (Italy)
• 500 kw (Greece)
• 500 kW (Greece)
• 150 kW (Greece)
• 100 kW (Greek islands)
• 100 kW (Greek islands)
• 100 kW (Greek islands)
• 500 kW (Greece) project under acquisition
• 300 kw (Ghana)project under construction
• 12 000 kW (Ghana) project under development

About the photovoltaic technology

Photovoltaics is the direct conversion of light into electricity at the atomic level. Some materials exhibit a property known as the photoelectric effect that causes them to absorb photons of light and release electrons. When these free electrons are captured, an electric current results that can be used as electricity.

The technology is not new. It was first discovered by a French physicist, Edmund Bequerel, in 1839, who found that certain materials would produce small amounts of electric current when exposed to light. In 1905, Albert Einstein described the nature of light and the photoelectric effect on which photovoltaic technology is based, for which he later won a Nobel prize in physics. The first photovoltaic module was built by Bell Laboratories in 1954. In the 1960s, the US space industry began to make the first serious use of the technology to provide power aboard spacecraft. Through the space programs, the technology advanced, its reliability was established, and the cost began to decline. During the energy crisis in the 1970s, photovoltaic technology gained recognition as a source of power for non-space applications.

Solar cells are made of the same kinds of semiconductor materials, such as silicon, used in the microelectronics industry. For solar cells, a thin semiconductor wafer is specially treated to form an electric field, positive on one side and negative on the other. When light energy strikes the solar cell, electrons are knocked loose from the atoms in the semiconductor material. If electrical conductors are attached to the positive and negative sides, forming an electrical circuit, the electrons can be captured in the form of an electric current -- that is, electricity. This electricity can then be used to power a load, such as a light or a tool.A number of solar cells electrically connected to each other and mounted in a support structure or frame is called a photovoltaic module.

Modules are designed to supply electricity at a certain voltage, such as a common 12 volts system. The current produced is directly dependent on how much light strikes the module. Multiple modules can be wired together to form an array. In general, the larger the area of a module or array, the more electricity that will be produced. Photovoltaic modules and arrays produce direct-current (dc) electricity. They can be connected in both series and parallel electrical arrangements to produce any required voltage and current combination. The arrays of modules are then connected to an inverter, which is a device to transform DC current into AC current , before it is fed to the Grid in the case of a solar farm.

Image Gallery

Contact

Bachir Tabbara

Makariou III, 33, Frixos Center, 6036 Larnaca, CYPRUS.

e-mail: bachir@gammasolarholding.com

phone: +33 6 85 84 30 45

Important information

All projects are built according to international standards, we only use internationally renown EPC contractors. We require from our EPC contractors bank guarantees for the first 2 years of production. Our local teams supervises the direction of works.The modules we choose are all guaranteed for 25 years, with a maximum loss in production of 15% over the life of the module. Our team provides inspection before installation.