Tag Archive for: photovoltaics

By 2025, BMW Group Plants Dingolfing and Regensburg (both in Bavaria, Germany) will obtain electricity from solar panels on their roofs.

BMW to generate 14 MWp solar energy from Bavarian factory roofs

By 2025, BMW Group Plants Dingolfing and Regensburg (both in Bavaria, Germany) will obtain electricity from solar panels on their roofs. Dingolfing’s rooftop photo-voltaic system, with a capacity of 11.1 MWp, will be one of the most powerful in Germany.

To achieve this objective, the premium automotive manufacturer is renting roof space at its two plant sites in Eastern Bavaria to Sunrock Holding Deutschland GmbH, which will generate electricity using photovoltaics and make it available to the plants under direct supply contracts from 2025 onward.

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Source: New Mobility News

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Scientists from Poland have analyzed the optical and electrical parameters of textured glass in BIPV systems

Using texturized glass in building-integrated photovoltaics

Scientists from Poland’s John Paul II Catholic University of Lublin have analyzed the optical and electrical parameters of textured glass in building integrated photovoltaic (BIPV) systems and have found that this kind of glass may considerably affect PV power generation and increase light reflection.

“In the case of installations in urban spaces, an important parameter is the low reflectance value and, consequently, the reduction of light reflections that can blind drivers,” said the research’s lead author, Paweł Kwaśnicki. “Since BIPV is becoming increasingly popular, expanding the scope of installation on facades, building walls and various types of glazing its aesthetics aspects become one of the key parameters.”

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Source: PV Magazine

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Trina Solar has launched the first fully recycled silicon solar panel, using 37 patented technologies to reclaim materials from old modules.

China just solved the biggest problem in silicon photovoltaics by creating 100% recycled panels

Trina Solar has given a new twist to the sustainability of the photovoltaic industry with the world’s first fully recycled silicon solar panel, proving that it is possible to reuse them without compromising their efficiency. For context, solar panels last two to three decades before degrading significantly. The problem then is that they cannot be fully recycled or their refurbishment is very expensive.

Chinese manufacturer Trina Solar has created the first fully recycled crystalline silicon photovoltaic panel. The secret lies in the 37 recycling technologies patented by its researchers, which allow silicon, aluminium, glass and even silver to be separated and reused from discarded modules to assemble a new functional and equally efficient panel.

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Source: Reve

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Scientists in Singapore created floating breakwaters with wave energy converters to lessen wave impact on offshore PV systems.

Power-generating breakwaters for floating photovoltaics

Researchers from the Singapore Institute of Technology have investigated the performance of new floating breakwaters (FBs) integrating wave energy converters (WECs).

The breakwaters are intended for use in offshore floating PV (OFPV) farms. “As the OFPVs move to the open sea, they are exposed to severe random waves and thus the design of the structure must take into consideration these cyclic loadings,” the research’s corresponding author, Zhi Yung Tay, told pv magazine. “There are few research works focusing on studying the effect of hybrid FB and WECs in mitigating the response of the floating solar PV farm and enhancing the wave energy extraction from the OFPV.”

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Source: PV Magazine

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Researchers developed a model to quantify the benefits of VIPV on the energy needs of 3 different sizes of electric vehicle in Graz, Austria

Quantifiying benefits of vehicle-integrated photovoltaics

Researchers have developed a model to quantify the benefits of vehicle-integrated photovoltaic (VIPV) solutions on three different sizes of electric vehicles (EVs) in the city of Graz, Austria, particularly the effect on battery energy and vehicle mileage.

The model revealed several key factors that affect energy harvesting and yield for EV traffic, including insight into weight ranges, surface areas to cover with PV, what type of PV, and energy consumption.

“Our study presents a simulation model that allows for adjustments to various parameters, including time, date, driving and parking cycles, and vehicle type. This model enables comparisons of solar energy production across different seasons and usage patterns,” Judy Jalkh, corresponding author told pv magazine, adding that it calculated solar PV contributions from vehicle zones, such as the roof, hood, trunk, and doors.

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Source: PV Magazine

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The GIANTS is developing lighter weight, solar-powered, cost-conscious, three and four-wheel prototype vehicles for passengers and cargo.

Lightweight mobility with vehicle-integrated photovoltaics

The Green Intelligent Affordable Nano Transport Solutions (GIANTS) is a €12 million, 42-month project with 23 partners from industry and research institutes. The group is designing a platform to enable three types of lighter-weight, cost-conscious, solar-powered electric vehicle prototypes for passengers and cargo.

The platform includes battery technology, powertrains and solar PV components that will be standardized.

Small fleets of the GIANTS’ LEV prototypes will be demonstrated in the European cities of Stockholm and Bruges, plus demonstration sites in Kisumu, Kenya, Delhi, India, and Manila, Philippines.

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Source: PV Magazine

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Maldives has issued an invitation to tender for the installation of 10 MWp grid-connected floating solar PV systems in Addu city.

Maldives tenders 10 MW of floating photovoltaics (PV) in Addu city

The Government of the Republic of Maldives, with funding from the World Bank, has issued an invitation to tender for the installation of 10 MWp grid-connected floating solar photovoltaic systems in Addu city. This project is part of the Accelerating Renewable Energy Integration and Sustainable Energy (ARISE) initiative, which aims to improve the country’s renewable energy capabilities.

The Ministry of Finance, on behalf of the Ministry of Climate Change, Environment and Energy, is seeking bids for two specific lots under the Design, Build, Financing, Own, Operate and Transfer (DBFOOT) modality. Lot 1 involves the installation of 2 MWp grid-connected floating solar PV systems at Maradhoo Port and Hulhumeedhoo Central Port. Lot 2 covers the installation of 8 MWp grid-connected floating solar PV systems in the Hithadhoo port area.

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Source: REVE

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Researchers in Iran found that only 4% of the greenhouse’s roof must be covered with PV modules to meet lighting and pumping water demand.

Photovoltaics for hydroponic greenhouses

A research group from Iran’s University of Tehran has conducted a feasibility study for the use of PV systems in commercial hydroponic greenhouses across the country.

Their work consisted of calculating the total energy input of a strawberry greenhouse in a case study that currently runs on natural gas and electricity, and then simulating the area required by a PV system to completely replace grid electricity.

“This study aims to assess the energy and environmental aspects, as well as the practicality of employing photovoltaic cells to meet the energy requirements of a commercial hydroponic greenhouse in Alborz province,” said the scientists. “Data was gathered from a 3,000 m2 strawberry hydroponic greenhouse through on-site visits, surveys, and measurements.”

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Source: PV Magazine

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Now, in Scotland, the development of a hexagonal solar panel that could work even at night has just been announced.

Hexagonal solar panel that works at night: the mirror that will illuminate the Earth from the outside

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As you might expect, one of the biggest obstacles for photovoltaics is the nights of our planet. The panels maintain their ability to absorb light at all times, however, during long hours, they must remain inoperative. Now, in Scotland, the development of a hexagonal solar panel that could work even at night has just been announced.

A solar panel that still works at night? Yes, but it’s not the one you know from Tesla

While sunlight is an abundant and renewable resource and is even the oldest known source of energy, it is also true that obtaining electricity from the sun has proven to be a more complicated task than one might expect. Among other factors such as climate, the greatest difficulty in achieving a constant flow of energy to the solar batteries is the rotation of the earth.

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Source: Eco News

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Scientists in China have developed a PV-driven direct-drive refrigeration system for electronic device cooling.

Photovoltaics for vapor compression refrigeration

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Researchers at the Hebei University of Technology in China have designed a solar photovoltaic direct-drive refrigeration system with low energy consumption for high heat-flux electronic device cooling.

“The proposed system integrates photovoltaic power generation with direct-cooling and vapor compression refrigeration (VCR),” the research’s lead author, Xiaohui Yu, told pv magazine. “The combination of micro-evaporator and direct cooling method can achieve good heat exchange efficiency.”

The system consists of two subsystems: a PV unit including a battery and an maximum power point tracking (MPPT) controller; and a VCR unit comprising a DC rotary compressor, a fin air-cooled condenser, an electronic expansion valve, an embedded direct cooling evaporator, and a dry-filler.

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Source: PV Magazine

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