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solar trackers

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Soltec currently ranks among the world’s largest manufacturers of solar PV tracking equipment and has a track record of over 8 GW in projects worldwide. This positions Soltec as the third company at global level as regards solar trackers, according to the PV market study from Wood Mackenzie.

Based in Molina de Segura (Murcia), Soltec has some twenty offices all over the world and projects on the five continents. Since its foundation in 2004, Soltec has been growing and multiplying both its manufacturing figures and its revenue. In 2017, company was listed on the Financial Times FT1000, ranking first among solar companies and fourth among all 31 energy companies including in this listing.

The speed of Soltec’s growth is largely due to the company’s commitment to innovation and the quality of its products. The Spanish company has been increasing its sales year on year to position itself as one of the companies with the largest market share in the PV sector. Soltec is currently the leading manufacturer of solar trackers in Latin American countries such as Brazil, as indicated by the Wood Mackenzie PV market study. To date, Soltec has supplied more than 270,000 such units around the world.

The continuous upgrading of its manufacturing processes forms a vital part of Soltec’s corporate philosophy, whose products are used on a daily basis. For this, the company benefits from a large team of experts and specialists in R&D which analyses and evaluates the results of each one of the solar tracker’s components.

To help undertake this exhaustive study, in 2018 Soltec inaugurated its Bifacial Tracker Evaluation Center (BiTEC), based in Livermore (California, US). The aim of this centre is to investigate all the variables that impact on the performance of bifacial equipment and ways to improve output to achieve a greater return on investment. This centre researches aspects such as: assembly height, the clarity and characteristics of the ground, module temperature and other features that affect energy generation and optimise performance in bifacial structures.

Soltec has just released its annual study on all these variables, including analyses and assessments for the period September 2018 – September 2019. This document is the fourth in a series of White Papers that have been published throughout the year containing the different assessments and results analysed at BiTEC. Based on these analyses, conclusions are reached that the SF7 bifacial tracker from Soltec generates between 7.3% more bifacial gain for albedos of 19.9% and 15.7% for albedos of 55.6%. In addition, the SF7 bifacial tracker in a 2-vertical configuration can generate 2.1% more power than trackers in a 1-vertical arrangement under the same conditions.

These annual assessments and studies also conclude that, in addition to an increased output, the bifacial technology developed by Soltec has resulted in changes to the design and the behaviour of bifacial trackers.

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Soltec manufactures and supplies complete single-axis solar tracking units. Since its foundation in 2004, the Spanish company has been increasing its sales year after year to position itself as one of the companies with the greatest market share in the PV sector, according to the Wood Mackenzie PV market report. To date, Soltec has supplied more than 270,000 solar trackers worldwide.

To achieve these figures, Soltec has always been committed to product innovation and to the quality and control of its production processes. Whether in the PV plant or during manufacturing, Soltec experts have all the resources at their fingertips to respond to any incident that may occur, for both prevention and urgent response.

Soltec currently has factories in Spain and Brazil. Located next to its head office in Molina de Segura (Murcia) is Solhub, where the product is manufactured and distributed to any project located anywhere in the world. Before it leaves the factory, the product is subjected to an exhaustive review by the logistics team.

To maximise product quality, Soltec has committed to innovation, implementing the most efficient processes to detect possible improvements that can be applied to each phase. In addition to being able to rely on a team of experts specialising in different aspects of engineering and PV energy, the company is firmly committed to the lifelong training of its personnel. Apart from providing them with professional training and refresher courses, Soltec focuses on the cross-disciplinary enhancement of all its agents, so that learning in the sector and within the company is an ongoing and fulfilling experience for the whole team.

Together with its policy of lifelong learning, this Murcia-based company also seeks to attract talent and new generations of engineers. Through its training and corporate social responsibility programmes, Soltec has promoted several grants and courses geared towards new engineering graduates, mechanics and those with training in electricity and electronics who are interested in renewable energy.

“Soltec is very committed to job creation and attracting talent. Thanks to our training programmes, such as the Solteach Grants, we offer the best professionals in the sector the opportunity to receive training in PV energy and to work in one of the leading solar power companies”, comments Soltec’s CEO, Raúl Morales.

The Solteach grant, whose second edition took place last July, offered 20 new engineers the chance to be trained at Soltec’s facilities and obtain an inside view of how the company operate. Many of these students are now working at Soltec, some of them on different projects around the world.

A commitment to job creation and a positive working environment are the pillars that form the basis of Soltec’s business ethic, in which the employee is the driver of the company. Through initiatives such as the Solteach training and employment grant, this company with over 15 years experience in the sector, supports quality jobs and the incorporation of new professionals into the world of solar energy.

Far from being an alternative, renewable energy has become a reality in recent years. Companies such as Soltec support environmentally-friendly practices and the protection of our planet through its activity creating clean energy. The Solteach programme also sets out to make these professionals share in the growth of one of the most buoyant sectors of recent years.

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The engineering and technology group Sener is a supplier of photovoltaic technology in Meteogune, a Meteo For Energy project installed at the Alava Technological Park (Basque Country, Spain) and inaugurated on Monday, 25 November.

Specifically, Sener has installed three single-row Sener PV trackers at this experimental plant. This mechanism is responsible for positioning photovoltaic modules with the aim of making an optimal use of solar radiation. Meteogune is in fact the first photovoltaic plant to feature SENER PV trackers, a technological development by SENER based on the experience acquired by the company in solar facilities around the world.

Aimed at reducing investment costs in photovoltaic power plants and with extremely high precision features, this product is part of a family of trackers for photovoltaic plants, known as Sener PV trackers, that includes single-row (used in Meteogune) and multi-row trackers (with up to 15 rows) that provide tracking along a single axis with a 2P configuration (2 modules in portrait array). Specifically in Meteogune, each solar tracker, with tracking along a horizontal single axis, covers an area of 160 sqm consisting of 80 photovoltaic modules with a total length of 40 m per row.

This Sener technology is therefore key to the performance of the photovoltaic power plant, which in addition to being an experimental plant (to test innovative technology, both the SENER PV tracker and a tracking optimization implemented by Meteo For Energy) will be used to supply a third of the power consumed by buildings E6 and E7 of the Alava Technological Park. Specifically, thanks to its solar tracker, the plant will produce 25% more energy than other fixed plants.

Driven by the start-up from Alava Meteo for Energy, which is engaged in weather forecasting and producing energy to improve the management and profitability of renewable energy plants in different parts of the world, the Meteogune plant aims to promote and digitize photovoltaic technology through R&D&i developments. This will allow conducting research and development activities in sensor systems, data analysis and artificial intelligence applications within the energy sector.

Source: Sener

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Soltec, a leading company in the manufacture and supply of solar trackers, already has a track record of close to 8 GW. The Spanish company has been expanding its business into countries worldwide with projects of up to 500 MW.

Its expertise and commitment to innovation are the two main axes driving this company that has become a reference in the PV energy market. Its almost 8 GW in solar projects positions Soltec in third place in the world in terms of solar trackers, according to the PV market study published by Wood Mackenzie.

In addition to projects in countries such as Australia, Italy and Thailand, Soltec is also the leader in Latin American countries such as Brazil and enjoys a major presence in other nations including Chile and Mexico.

In its commitment to supplying the highest quality products that carry the Soltec seal of distinction, this Murcia-based company now boasts offices in twenty countries as well as factories in Spain and Brazil. These manufacturing centres make the tracking units for which the company is known. The manufacturing processes continue to be improved day after day to achieve enhanced quality and performance for clients.

The solar trackers are made and subjected to in-depth examinations to guarantee quality in every process, as well as in Soltec’s end product. Whether at the PV plant or during manufacturing, Soltec experts have all the resources readily available to respond to any incident that may occur, for both prevention and urgent response.

Solhub is the point from where the manufactured product is packaged and distributed to every project, no matter their location in the world, thanks to a first-class logistics team and standardised processes that benefit from exhaustive product checking.

The quality of its products and delivery, in addition to the commitment of its team, has resulting in a significant increase in sales year after year, since its foundation in 2004 to positioning itself as one of the companies with the highest market share in the global PV sector. Soltec already has an extensive track record in utility-scale projects and a wide portfolio of international clients.

In 2017, company was listed on the Financial Times FT1000, ranked first among solar companies and fourth among all 31 energy companies including in this listing.

In addition to its exponential growth with projects around the world, Soltec has also grown as regards its workforce. Its team comprises over 1,500 professionals in projects and subsidiaries worldwide.

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The multinational Nclave will supply its single axis solar tracker mono-row SP160 in two different PV projects of 110 and 103 MW of power respectively in Chile, as well as another project of 100 MW in United States. In addition, there is a fourth project of 27 MW located on the other side of the Atlantic, in one of the areas with more solar radiation in Colombia, whose sponsor is Trina Solar Energy Spain. These PV projects make Nclave keep the lead in the Chilean market and embark on large projects in United States and Colombia, markets in which Nclave will strengthen its position over the next few years.

Nclave has the widest range of products in the market; fixed structures, single axis tracker mono-row SP160 and multi-row SP1000 and twin tracker SP240, – the latest design to be incorporated, which has recently received the UL3703 certification, granted by the UL LLC, besides the one already obtained for the mono-row and multi-row models and UL2703 certification for fixed tilt structures. Nclave also has the CE marking, renewed last June due to the integration of the EN 1090 standard for structural component requirements, ISO 9001, ISO 14001, IEC 62817, ISO 14064 and TÜV-NORD certifications (structural security of fixed structures) and DNV-GL (bancability).

Nclave will end 2019 with over 4.5 GW supplied worldwide. With more than 15 years of experience and offices and production centers on five continents, Nclave, is a leading company in the development, design, manufacture, installation and maintenance of fixed tilt structures and solar trackers, including the design and execution of any foundation solution. Nclave offers solutions with the lowest installation costs on the one hand, and, during the life of the project, operation and maintenance

Source: Nclave

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STI Norland, global supplier of solar trackers and fixed-tilt arrays, has launched the 4th generation of STI-H250TM, the first dual row single-axis solar tracker in the world. STI Norland pioneered in 2017 by developing the STI-H250TM and has since then supplied and installed in more than 30 PV plants, adding up to more than 850 MW experience.

This solar tracker consists of two torsion beams positioned in a North-South direction on which the PV modules are mounted. The two beams are linked and rotate simultaneously following the path of the sun in the sky. They are moved by just one motor, cutting supply and maintenance costs.

In addition, the 4th generation of STI-H250™ considerably increases the adaptability to complex terrains and irregular layouts. The data collected during months of real experience on site allowed STI Norland’s R&D department to keep applying improvements on the product and reach the current advanced version of the STI-H250™.

“After two years of proven success of our dual row trackers, other manufacturers are now following our steps. It clearly proofs that we were on the right track when STI Norland bet on design and manufacturing dual row trackers. Compared to our competitors, we are now so much ahead in terms of experience and product development,” says CEO of STI Norland Alberto Pérez Echeverría.

STI Norland achieves 3 GW milestone, being one of the solar tracker market leaders

The Spanish company STI Norland has just overcome, with the closure of a new project in Mexico, more than 3GW of global experience, and more than 1GW of experience in the country, it also has more than 700MW of projects under construction in countries such as Spain, Brazil, Japan and Mexico. It is consolidated, as well as one of the leading companies in the sector, with stable and continued growth in its strategic markets. Mexico, Brazil, Chile, Spain and France continue to be the main markets of the Spanish company, and also continues to establish itself in other strategic markets such as Japan or India.

Source: STI Norland

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Soltec, the leading Spanish company in the manufacture and supply of single-axis trackers, forecasts supplying up to 3 GW of solar trackers to utility-scale PV plants for the 2019 financial year. This figure would result in Soltec closing the year with a record of almost 8 GW and a turnover of around 300 million dollars that would double the 2018 figure. Around 1,500 employees already form part of the workforce in the different international delegations.

Since it was founded in 2004, this Spanish company has significantly increased its sales year on year to position itself as one of the companies with the largest market share in the PV sector. To date, Soltec has supplied more than 270,000 solar trackers around the world. It became part of the Financial Times FT 1000 listed companies in 2017, as the top-ranked solar power company and fourth placed out of the 31 utilities that are included in this list. In 2018, Soltec invoiced almost 200 million dollars, an amount that it expects to double in 2019. This increase would represent a growth for the company of 100%.

The Murcia-based company already has over one hundred projects around the world and a 15-year track record investing in innovation. Soltec is the leader in Latin American countries such as Brazil, Peru and Colombia. In addition, thanks to its cutting-edge technology, it continues to consolidate its position in the solar power market with revolutionary products such as its SF7 solar tracker and the SF7 Bifacial, whose design has been optimised to achieve an optimal yield from the bifacial modules.
“This year to date, the trend in bifacial technology is becoming key to utility-scale PV projects. Eight out of every ten quote requests are for bifacial, which confirms the commitment of Soltec when the time comes to support innovation and research in bifacial technology”, explains Eduardo de San Nicolás, Product Manager at Soltec.

Optimising bifacial tracking

As part of its commitment and strong support for innovation and the development of proprietary technologies, in 2018 Soltec inaugurated the Bifacial Tracker Evaluation Center (BiTEC) based in Livermore (California). This centre aims to study the performance of the modules and bifacial trackers under a range of albedo conditions, as well as the height, distance between modules and module temperature. In addition, the research into all of these aspects sets out to establish the best Soltec tracker design for the deployment of bifacial modules.

According to the latest results obtained at BiTEC, the SF7 bifacial tracker from Soltec, its star product, offers a bifacial gain of 16.2% in high albedo conditions (around 58%) and 10.1% in medium albedo conditions (29%). BiTEC has also studied the bifacial gain of PV modules deployed in the two most widely-used solar tracker configurations in the market today: one-in-portrait (1P) and two-in portrait (2P). The results obtained confirm that the SF7 bifacial tracker from Soltec, in 2P configuration, achieves a bifacial gain that is 2.1% higher than trackers in 1P configuration.

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Soltec, leading manufacturer and supplier of single-axis solar trackers, has released part three of its white paper that sets out the results obtained from September 2018 to June 2019 at its Bifacial Tracker Evaluation Center (BiTEC) in Livermore, California.

BiTEC studied the bifacial gain of PV modules deployed in the two most widely-used solar tracker configurations in the market today: one-in-portrait (1P) and two-in portrait (2P). The results obtained confirm that Soltec’s SF7 bifacial tracker in 2P configuration achieves a bifacial gain 2.1% higher than trackers in 1P configuration.

The white paper also shows that bifacial modules mounted on SF7 solar trackers provide 16.2% more bifacial gain under high albedo conditions (around 58%) and 10.1% under medium albedo conditions (29%).

BiTEC analysed and evaluated different parameters over a period of nine months, enabling it to achieve maximum performance in any PV installation, as well as improving tracker design. The factors evaluated included ground conditions, tracker height, the distance between trackers and module temperature.

Soltec has now released the third part of its White Paper with the results of the last nine months obtained by BiTEC. In this report, BiTEC placed particular emphasis on the importance of albedo to achieve more satisfactory results in energy production, as well as the different ways of measuring it and the instruments required to measure PV plants. As a result, the analysis was able to demonstrate which soils are better for achieving the optimal performance of such installations.

Under seasonal albedo conditions (when the soil is left to lie fallow over each season), the measurements show that the albedo remains stable at around 19% until the rainy season in California, in late November 2018. From then on, grass growth reduced this value to 17.2%. Once the grass was cut in March, the seasonal albedo value increased again, reaching a value of 19.6%. All this data resulted in an overall seasonal albedo of 18.9% over the nine-month measurement period.

Bifacial technology is revolutionising the PV market and involves changes in the design and behaviour of the bifacial trackers. The full analysis of these factors can be seen in part three of Soltec’s White Paper.

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Acciona has created a hub in its El Romero Solar plant (Atacama, Chile) to test new photovoltaic technologies that will improve the efficiency and performance of solar energy facilities.
The hub will focus on the mechanical and energy capacity of double-sided crystalline, split-cell and thin-film cadmium telluride (CdTe) technologies, all of them in the development phase, with the intention of shaping PV energy’s evolution. The solar modules have been produced by JA Solar and First Solar, and a variety of solar trackers will be used, manufactured by STI Nordland and Soltec.

The innovation center, in which two of the three tracker zones have already been installed, will have a power generation facility with a total capacity of 492 kWp (180 kW rated) consisting of 1,280 modules in three series of trackers connected to nine inverters. These will be assisted by other equipment to measure and monitor parameters such as incident and reflected solar radiation, ambient temperature or the production temperature of each kind of module, among others.

Unlike conventional solar modules, which only have photovoltaic cells on one side, the double-sided modules have cells on both sides of the panel to capture reflected solar radiation and increase output per surface unit occupied.

In split-cell modules each cell is divided into two parts. This reduces energy losses and improves the durability of the panel.

Finally, the thin-film modules are made from semi-conductive materials as alternatives to conventional crystalline silicon –such as cadmium telluride- that reduce both manufacturing costs and their carbon footprint during their working life.

Advanced technologies

Advanced technologies in photovoltaic solar are one of the main strategic approaches that guide Acciona’s innovation activities in the field of clean energies. One of the most innovative projects to date is the hybridization of organic photovoltaic panels in a wind turbine tower to power a turbine in the Breña wind farm (Albacete, Spain).

El Romero Solar is one of the biggest photovoltaic plants owned and operated by Acciona, with a capacity of 246 MWp. Located in the Atacama Desert in Chile, an area with some of the highest levels of solar radiation in the world, it produces energy equivalent to the consumption of around 240,000 Chilean households. Part of its capacity will be used to supply Google’s data center in the country.

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Nclave has designed a new single axis tracker with two rows designed to mitigate the dynamic and aero-elastic risks inherent in large trackers. With this new solar tracker the company has the largest portfolio of products in the photovoltaic industry: single axis tracker mono-row SP160 and single axis tracker multi-row SP1000, fixed structure and the new twin tracker SP240.

One of the main advantages of this tracker is the allowance to a better optimization of the ground (GCR) since it enables more power installation on a smaller surface. It should be noted its great adaptability when installed on terrains with high/changing slopes.

Its configuration in two rows eases the access for maintenance and cleaning works which lets it endorse both the advantages of multi-row and mono-row trackers. All this grants savings in installation, operation and maintenance costs; decrease of commercial components by more than 25% / Mw and a reduction in assembly time of up to 65% / Mw compared with competitors.

With more than 15 years of experience, 3.5 GW deployed and offices and production centers in five continents, Nclave, is a leading company in the development, design, manufacture, installation and maintenance of fixed tilt structures and solar trackers, including the design and execution of any foundation solution. Nclave offers solutions with the lowest installation costs on the one hand, and, during the life of the project, operation and maintenance.

Source: Nclave

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