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New model to identify optimal power sizing ratio for solar inverters

Researchers in Malaysia have proposed a new approach to identify the optimal power sizing ratio to balance PV energy capture with inverter costs. The calibrated model is said to accurately reflect the relationship between inverter efficiency and real-world system behavior.
Markets & Policy

Sinovoltaics shuffles PV module manufacturer financial stability ranking

The third edition of the Sinovoltaics financial stability report ranking lists India-based Abhishek Corp, Insolartion Energy, Waaree Renewable Technologies, and Solex Energy, all based in India, followed by U.S.-based First Solar as the top five. Six add...
Markets & Policy

Nepal launches tender for grid-connected solar projects

The state-owned Nepal Electricity Authority (NEA) has launched a tender for three grid-connected solar projects with a combined capacity of at least 9.4 MW. The deadline for applications is Sept. 6.

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Maldives kicks off tender for 15 MWp of grid-tied solar systems

The Maldives is accepting bids from developers to install 15 MWp of solar systems across selected islands under a design, build, finance, own, operate, and transfer basis. The deadline for applications is Oct. 22.

Australian electricity market operator expects 86 GW of rooftop PV by 2050

An industry data exchange co-design is putting consumer energy resources at the beating heart of Australia’s energy marketplace, prompted by a 2050 projection of 86 GW of rootfop solar and 27 GW of flexible demand in the National Electricity Market (NE...
Markets & Policy

Diego Luxembourg launches resindential air-to-water heat pump

The Luxembourg-based manufacturer said the new product can reach flow temperatures of up to 72 C and achieve a seasonal coefficient of performance (SCOP) of up to 5.7.

Perovskite-CIGS tandem solar cells have technical potential to achieve 26.69% efficiency

A Dutch and U.S. research team performed optical and electrical simulations to understand loss mechanisms in two terminal (2T) tandem cells based on perovskite and commercially available copper-indium-gallium-selenide (CIGS) cells, and subsequently esta...
Markets & Policy

India imposes 10% customs duty on solar glass imports

The Indian authorities will introduce a 10% customs duty on solar glass imports from October. The government has also expanded the list of exempted equipment for solar cell and panel production to support domestic manufacturing.

Press Releases

WEIHENG ECACTUS Ranked by BloombergNEF as Tier 1 Global Energy Storage Manufacturer

BloombergNEF (BNEF) recently released its research report titled "BNEF Energy Storage Tier 1 List 3Q 2024". WEIHENG ECACTUS ranked on the world’s tier 1 list due to its safe and reliable product design, industry-leading system efficiency, high Return on investment (ROI) projects, and integrated digital energy solutions including Virtual Power Plants (VPP), peak shaving, self-consumption and dynamic tariff SaaS service.

JA Solar and Solarpro Announce Strategic Cooperation to Supply Modules for 240MW Solar Power Plant in Bulgaria

JA Solar is pleased to announce a strategic cooperation with Solarpro to supply high-efficiency TOPCon modules DeepBlue 4. 0 Pro for a large-scale 240MW solar power plant in Tenevo village, Yambol district, Bulgaria.

JinkoSolar Tiger Neo Modules: Boosting the Karawang PV Project in Indonesia, Setting a New Benchmark for Industry Reliability

JinkoSolar recently has successfully connected the 100 MW Karawang PV project in Indonesia to the grid with its Tiger Neo 78 cell bifacial modules.

Opinion & Analysis


China’s solar dominance not an issue

In a new monthly column for pv magazine, the International Solar Energy Society (ISES) explains why potential trade disruptions in the global PV supply chain are substantially different from those related to coal, oil and gas.

Leasing models could help German solar installers cope with falling panel prices

Martin Schachinger, the founder of, explains how German solar installers are navigating the current slide in PV module prices – now as low as €0.08($0.09)/kW. He says that solar leasing could offer new opportunities, particularly in the nation’s commercial and industrial (C&I) sector.

‘Scarcity of female peers, role models can lead to isolation, lack of natural allies’

This week, Women in Solar Europe (WiSEu) gives voice to Camille Zimmermann, Investment Director at France-based equity firm Omnes. She says that, when there are women at the helm of companies, it seems there is no problem in finding other talented women to join the ranks of their organizations.

Weak demand continues to exert downward pressure on solar module prices

In a new weekly update for pv magazine, OPIS, a Dow Jones company, provides a quick look at the main price trends in the global PV industry.

Jet stream shift brings winter sunshine to Brazil, cloud to Argentina

In a new weekly update for pv magazine, Solcast, a DNV company, reports that Rio de Janeiro recorded the sunniest June in over 18 years, with solar irradiance 15% above the long-term average. This was part of a band of higher than average sunshine extending through Bolivia, Paraguay, and parts of Brazil. Conversely, southern Argentina saw an irradiance drop of up to 30% below the long-term average as it experienced its cloudiest June in the same period.

Tackling merchant risk – A deep dive into Europe grid-scale energy storage contracted revenue

Current market conditions are propelling grid-scale project deployment in a more diversified European energy storage market. Anna Darmani, principal analyst – energy storage EMEA, at Wood Mackenzie, examines revenue streams in different parts of Europe and emerging routes to the market.

Markets & Policy


Puerto Rico in line for 1.14 GWh of battery storage

A new U.S. Department of Energy loan guarantee will help finance 200 MW of solar and 285 MW of grid-scale storage on the island.

Trina Solar probing potential breaches of TOPCon patents

Trina Solar says it has started evaluating potential violations of some of its patents for tunnel oxide passivated contact (TOPCon) tech. One of the patents focuses on the number of busbars and their width in TOPCon solar panels.

The Hydrogen Stream: New way to make hydrogen, fertilizer from ammonia

German researchers have developed a new way to liberate hydrogen from ammonia, while a new MIT study shows the need for stringent emissions regulations on ammonia combustion for maritime mobility.

Chinese PV Industry Brief: China adds 102.48 GW of solar in H1

China’s National Energy Administration (NEA) says the country installed 102.48 GW of new solar capacity in the first half of 2024, bringing its total installed solar capacity to approximately 710 GW.

ReCreate unveils details of US solar cell, module factory

The new venture is expected to bring 2 GW of solar module manufacturing capacity to the US market within 18 to 24 months.

Germany concludes rooftop PV tender with average price of €0.0894/kWh

The German authorities have reviewed 363 MW of bids to select 2559 MW of projects in the nation’s latest rooftop PV tender. The final prices ranged from €0.0795 ($0.0864)/kWh to €0.1019/kWh.



New soiling detection method based on drones, AI, image processing

Developed by scientists in China, the proposed approach uses mathematical morphologies for image processing, such as image enhancement, sharpening, filtering, and closing operations. It also uses image histogram equalization and edge detection, among other methods, to find the soiled spot.

Israel’s N2OFF enters solar business

Agri-food tech specialist N2OFF says it has entered the PV business by lending €375,000 ($407,000) to Israeli PV developer Solterra Renewable Energy. The loan is part of a larger €500,000 agreement, with the remaining €125,000 to come from other parties.

Mecosun offers concrete solar carport

Mecosun says it has introduced a new solar carport in three formats, using low-carbon concrete and an embedded module mounting solution.

Yield modeling platform for large-scale solar

Australian software developer PV Lighthouse has secured almost AUD 1.97 million ($1.32 million) to drive development of its SunSolve Yield advanced simulation engine, which is designed to improve yield forecasting for utility-scale solar projects.

k-Nearest Neighbors algorithm for PV power forecasting

Scientists in Iraq used a k-Nearest Neighbors algorithm to evaluate the operational status of PV modules under various conditions, including partial shading, open circuit, and short circuit scenarios. They found that the overall performance of the model in predicting power output was “notably accurate.”

Nevada partly covers peak demand with 690 MW solar-plus-storage project

The US state of Nevada will meet 10% of its peak demand with the now-operational 690 MW Gemini solar-plus-storage project outside of Las Vegas.



How long do residential solar panels last?

Multiple factors affect the productive lifespan of a residential solar panel. In the first part of this series, we look at the solar panels themselves.

EneCoat to accelerate perovskite PV production

EneCoat Technologies, a Japanese solar perovskite developer, has raised JPY 5.5 billion ($35 million) from new and existing investors to finance new collaborations based on its low-temperature production process.

New design for antimony trisulfide solar cells promises 30% higher efficiency

An international research team has proposed a series of optimization techniques for antimony trisulfide (Sb2S3) solar cells that may reportedly increase the efficiency of these PV devices to over 11%. The resulting new cell design is said to significantly improve band alignment control and parameter optimization.

Scientists say concavities in perovskite films may improve solar cell stability

Hong Kong University of Science and Technology (HKUST) researchers have gained insights into perovskite microstructure. After removing grain surface concavities in the crystalline grains of perovskite, they fabricated a solar cell with improved efficiency retention under standardized thermal cycling, damp heat, and maximum-power-point tracking tests.

German startup offers self-adhesive film for glare-free PV modules

Germany-based Phytonics has developed a self-adhesive film with microstructures to reduce glare on PV modules. It is available in sheets and rolls for new and existing PV systems.

Grid backlog drives innovative approaches in Brazil

The rapid growth of renewable energy in Brazil has not been matched by transmission and distribution infrastructure. Connection restrictions for both “distributed-” and centralized-generation sites are leading companies to adopt new strategies to maintain expansion, reports pv magazine Brasil’s Livia Neves.



Fimer launches sale proceedings under extraordinary administration

Fimer has launched a process to sell itself to new owners. Interested investors have until Aug. 31 to submit offers.

WTO accuses China of low transparency on state subsidies, including solar

The World Trade Organization (WTO) Secretariat has criticized China for an alleged lack of transparency in its state support framework and has urged the nation to improve its subsidy notification process.

India developers seek tax relief, supply support in new state budget

India’s Union Budget will be presented next week. Developers in the country hope for lower goods and services tax (GST) and import duties on solar components, as well as a delay in enforcing the Approved List of Models and Manufacturers (ALMM) until domestic supplies improve.

Australian polysilicon project shifts focus to silica feedstock

Quinbrook Infrastructure Partners’ plan to build a “state-of-the-art” polysilicon manufacturing plant in Australia has taken a step forward, with Australian Silica Quartz starting a drilling program at a planned mine site that could provide feedstock for the proposed facility.

First Solar probes potential infringement of TOPCon patents

First Solar says it is evaluating potential infringement of its patents for its tunnel oxide passivated contact (TOPCon) tech, secured through the acquisition of TetraSun in 2013. The US thin-film solar module manufacturer has not named the companies involved or given a timeline for the investigation.

Chinese PV Industry Brief: ZNShine Solar plans Hong Kong listing

ZNShine Solar says it has applied to list H-shares on the Hong Kong Stock Exchange (HKEX). The company runs three factories in China with a total capacity of about 10 GW.

Energy Storage


Harmony Energy to build France’s largest battery storage project

The 100 MW project is announced as the first large-scale, two-hour duration battery in France. The project will employ Tesla Megapack and Autobidder technology.

Romania aims to roll out 5 GW of energy storage by end 2026

Romania is aiming to have at least 2.5 GW of energy storage installed by the end of next year and to exeed 5 GW only a year later.

China to conduct comprehensive safety overhaul of battery storage facilities

China’s regulators are reportedly considering a comprehensive fire safety inspection and upgrades of operating energy storage facilities. For older storage stations, enhancing fire safety measures will significantly increase non-technical costs, potentially up to CNY 0.2 per Wh ($0.028/Wh).

The Hydrogen Stream: Europe could miss 2030 hydrogen targets

The European Court of Auditors says the European Union will likely fail to achieve its 2030 renewable hydrogen goals, while the US Department of Energy and Arches have agreed to build a $12.6 billion hydrogen hub in California.

More than half of California solar customers to include battery storage

Falling battery costs, shifting regulations and interest in energy independence are driving increased battery attachment rates on residential solar projects in California.

Water-source heat pump integrating cooled photovoltaic panels, thermal storage

Researchers in Italy have designed a water-source heat pump system intended for generating cooling, heating and domestic hot water in social housing stock built during the 1970s–1990s. The novel concept integrates photovoltaic-thermal energy with thermal storage and promises a seasonal coefficient of performance of 5.