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solar trackers

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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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Soltec, leading manufacturer and supplier of single-axis solar trackers, is supplying and installing its Soltec SF7 Bifacial trackers at a 220 MW project that the Enel Group’s renewable company Enel Green Power is building in Tlaxcala, Mexico. The PV plant occupies 439 hectares. The installation includes 6,533 Soltec SF7 Bifacial solar trackers and 548,772 bifacial modules and will be able to generate around 600 GWh when at full capacity.

“With this project we continue to strengthen our position in the Mexican photovoltaic market, where we have more than 1.3 GW installed. In addition, being a plant with bifacial modules, we will produce more energy optimizing the space and decreasing the installation time”, explains Sergio Prado, Head of Sales in Mexico.

Soltec will be responsible for creating 200 of jobs during the installation and supply stage. Soltec and Enel Green Power are cooperating with trade unions and the local government to promote local employment.

The company has also participated in an initiative to donate wood to local communities near the project. During the installation, an average of three tons of wood are generated per day, which will be delivered according to the needs of each town.

SF7 Bifacial

The SF7 Bifacial solar tracker produces energy both on its front and rear side, as it captures sunlight reflected on the ground. According to BiTEC, bifacial modules mounted in SF7 Bifacial solar trackers provide 17% more Bifacial Gain under high albedo conditions (60%), and 11% under medium albedo conditions (30%).The use of this tracker in this solar plant will help to significantly increase production and reduce, in this way, the space occupied and the investment of the project.

The standard features of SF7 provide bifacial compatibility thanks to the higher mounting height, the shadow-free rear and wider aisles between the rows of trackers.

Source: Soltec

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Soltec is offering 9 places on its Solteach On-Site programme, covering the design, installation and maintenance of PV installations. Based in Molina de Segura (Murcia), the leading company in the manufacture and supply of single-axis solar trackers, is offering professionals in telecommunications, electronics and electricity the most comprehensive training programme in the renewables sector.

The registration period is now open and applications are accepted up until 10 September. The 115-hour course, which starts on 30 September and runs for one month, includes 35 hours of theory and 80 hours of practical training. The training will take place at the offices of FREMM, the Regional Federation of Metal Companies of Murcia.

Soltec will offer the top performing students on the course an extendable internship contract with the option of a permanent contract of employment at the company. The students selected for the internship will start working at one of Soltec’s newly-commissioned plants before joining the department and in a position that best suits their profile and the needs of the company.

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This programme sets out to give brightest professionals the opportunity to come into contact with and receive training from the renewables company of reference in Murcia that has demonstrated the best growth in recent years. The best students, whose profile meets the needs of the company, will have the chance to take up Soltec’s offer of a contract of employment.

“At Soltec, we are very committed to job creation and quality training and, as such, we would like to give the best professionals in the sector the opportunity to receive training in renewable energy thanks to this comprehensive programme dedicated to PV installations”, comments Raúl Morales, company CEO.

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ArcelorMittal Exosun, enterprise supplier of advanced solar tracking solutions for ground-mounted photovoltaic plants has successfully commissioned its trackers on Beryl Solar Plant located in New South Wales (NSW), Australia.

The 110.9MWp solar plant, built by Downer EDI Limited, is equipped with 8,607 Exotrack® HZ structures. Commissioning took place just 12 months after the contract was signed.
ArcelorMittal Exosun LCOE-friendly tracking technology significantly increases the plant’s energy yield and thereby contributes to providing clean and safe electricity to Australian households & public transportation. The majority of renewable electricity produced by Beryl is being used to meet the operational electricity needs of the Sydney Metro Northwest rail link.

Downer’s Executive General Manager for Renewables and Power Systems, Lena Parker said: “The project has been successful due to the collaborative efforts of all of our partners including ArcelorMittal Exosun.”

ArcelorMittal Exosun confirms it will be a major actor in the Australian solar market.

“Through this additional project in the country, our company consolidates its position in Australia’s fast-paced solar market” commented Antoine Gastineau, ArcelorMittal Exosun Business Development Director.

Source: ArcelorMittal Exosun

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