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Chinese researchers build 21.60%-efficient perovskite solar modules via blade coating

A research team led by the Dalian Institute of Chemical Physics in China have used tetramethylammonium chloride in the fabrication of perovskite solar cells and modules, demonstrating that it improved both stability and efficiency results. The group's 10 cm × 8 cm modules achieved certified 21.60% power conversion efficiency. The novel interfacial modification enabled the use of scalable blade coating to deposit both transport layers and the perovskite layer.
Installations

Montenegro sets ceiling price of €65/MWh for first solar auction

Montenegro has set a ceiling price of €65 ($76.11)/MWh for its first solar auction, which will offer 12-year contracts for difference (CfD) for up to 250 MW of capacity. The auction is scheduled to take place later this year.
Markets & Policy

Australia launches solar R&D fund to cut PV costs

The Australian government has announced AUD 60 million ($39.1 million) in new funding for R&D projects that promise to accelerate cost reductions for PV and help meet the stretch target for “ultra low-cost” solar production.
Announcements

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Markets & Policy

India installs 22.5 GW of solar capacity in fiscal 2025

India added 17.4 GW of utility-scale solar and 5.15 GW of rooftop PV capacity in fiscal 2025, according to JMK Research. Rajasthan led new installations with 6.5 GW, followed by Gujarat with 3.6 GW and Maharashtra with 2.3 GW.
Markets & Policy

Trump tightens eligibility for US solar, wind tax credits

A new executive order by US President Donald Trump shortens the timeline for solar and wind tax credit eligibility and directs the Department of the Treasury to expand Foreign Entity of Concern rules for clean energy imports.
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Installations

Collision of art, culture and solar sets Guinness World Record

A residential building’s vibrant, art-drenched solar façade brought renewable energy to new heights, setting a Guinness Book of World Record for the largest solar panel mural.
Installations

What the One Big Beautiful Bill Act means for US residential solar

The One Big Beautiful Bill Act eliminates residential solar tax credits after 2025 and introduces new timelines and restrictions for clean energy tax credits under Sections 45Y and 48E.
Energy Storage

CATL lawsuit threatens Hithium IPO

China’s Contemporary Amperex Technology Co. Ltd. (CATL), the world’s largest battery manufacturer, has filed a lawsuit accusing fast-growing rival Hithium of unfair competition – a move that could jeopardize Hithium’s upcoming initial public offe...

Press Releases

Anker SOLIX and RESINC Power Coastal Communities with Solar + Battery Donations Under Cheaper Home Batteries Program

Anker SOLIX and RESINC Power Coastal Communities with Solar + Battery Donations Under Cheaper Home Batteries Program

Huasun Wins Bid to Supply 720-740 W HJT Solar Modules for China’s National Hybrid RE Project

Huasun Energy has been awarded the contract for the second batch of 2025 photovoltaic (PV) module procurement by State Grid Jibei Power Company, a subsidiary of State Grid Corporation of China.

Enertis Applus+ Study: LONGi BC Modules Outperform TOPCon in LCOE, Driving Higher Commercial Value

Global technical engineering consultancy Enertis Applus+ has released a comprehensive analysis of a 47MW single-axis tracker PV project in Seville, Spain, comparing the commercial performance of back-contact (BC) and tunnel oxide passivated contact (TOPCon) technologies.

Arctech Opens New European Operations Center in Valencia

Arctech has inaugurated its new Operations Center in Valencia, a strategic facility that integrates logistics, supply chain, after-sales support, and project coordination functions. This new hub enhances the company’s operational capacity in Europe and significantly improves service for clients across the continent.

Opinion & Analysis

Featured

What standards for agrivoltaics?

The technology which combines solar PV panels and agriculture is gaining ground. IEC Standards for solar photovoltaic (PV) systems already exist, but more might be required, dealing with some of the more specific issues relating to agriculture.

‘In engineering, women remain markedly underrepresented’

This week Women in Solar+ Europe gives voice to Maria Ardila, construction engineer at UK-based Cubico Sustainable Investments. She says that progress remains slow in the energy industry because gender matters are often viewed as personal choices rather than the systemic issues they truly are. “Until society challenges the outdated norms and organizational structures that penalize mothers, meaningful advancement toward gender equity in leadership will continue to be constrained,” she states.

US solar panel price from India stable at $0.288/W

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.

Hurricane, haze impact June’s solar production across Mexico, eastern U.S.

In a new weekly update for pv magazine, Solcast, a DNV company, reports that solar irradiance in June was impacted by Mexico’s earliest major hurricane on record, while wildfire smoke and persistent cloud suppressed irradiance over most of central and eastern U.S.

SolarStations.org: Mapping the future of solar resource assessment

IEA PVPS Task 16 recently introduced SolarStations.org, a global catalogue of solar irradiance monitoring stations designed for researchers, developers, and policymakers. This openly available resource catalogues more than 800 multi-component stations –of which more than 400 are currently active – offering a comprehensive view of high-quality ground-based solar data.

In a world of low-cost batteries, performance matters

Oversupply of lithium-ion battery precursor and active materials – and of lithium iron-phosphate (LFP) batteries, especially in China – has driven energy storage system costs down, fueling a record 330 GWh of battery energy storage system (BESS) shipments in 2024. Edward Rackley, head of the energy storage team at Business intelligence specialist CRU, shares his analysis.

Markets & Policy

Featured

A closer look at France’s largest solar plant

Neoen’s 300 MW Cestas solar park, commissioned in 2015, remains France’s biggest PV plant and the only one in the country that contributes to grid stability, even at night.

Fraunhofer ISE estimates Germany’s agrivoltaic potential at 500 GW

Fraunhofer Institute for Solar Energy Systems (ISE) says Germany could deploy up to 500 GW of agrivoltaic capacity, based on a nationwide assessment of all agricultural land types and site suitability criteria.

Tesla deploys 9.6 GWh in Q2, Nevada cell plant nears completion

Tesla deployed 9.6 GWh of battery storage in the second quarter of 2025, with year-to-date volumes up nearly 50% from 2024. The company recorded flat quarterly growth and says its 10 GWh Nevada cell factory is close to completion.

US solar industry reacts to budget bill cutting clean energy support

Solar executives and other clean energy industry members sound off on the passage of the “One Big, Beautiful Bill Act.”

German solar glass maker GMB files for insolvency

German solar glass manufacturer Glasmanufaktur Brandenburg GmbH has filed for insolvency, affecting 247 employees at its Tschernitz facility, according to multiple media reports.

Shakti Pumps raises funds to build 2.2 GW solar module plant in India

Shakti Pumps (India) Ltd. has raised INR 2.93 billion ($34.2 million) through a qualified institutions placement to fund a greenfield 2.2 GW solar cell and module manufacturing facility in central India.

Installations

Featured

The best tilt angle for canal-mounted PV systems

Researchers in Türkiye have conducted an experimental study on the ideal tilt angles for PV systems deployed on canals. Their analysis showed that an 8◦ tilt angle consistently demonstrates greater performance.

Solarix Solar launches new terracotta solar panel

The Netherlands-based solar façade panel and mounting system provider has added a new terracotta rooftop module to its product range. It also announced it is expanding it sales network and boosting its manufacturing capacity after raising €5.5 million in financing.

Optimizing photovoltaic systems in harsher climates

A recent report from the International Energy Agency (IEA) Photovoltaic Power Systems Programme (PVPS) covers guidance on improving the performance of PV systems deployed in climates such as deserts, tropical regions and snowy areas. 

NREL develops translucent solar panels for bigger, better crops

Researchers at the National Renewable Energy Laboratory grew tomatoes under translucent solar panels, which could play a promising role in agrivoltaics.

New vertical agrivoltaic system from Australia

Australian company Solspan has unveiled a 6.4 kW vertical solar wall system for applications in agrivoltaic projects. It measures 4 m x 4 m and can be interconnected with other units to create MW-sized systems.

Financial guarantee unlocks 109 MW for renewables in Moldova

Moldova’s government says developers have returned 30 grid connection permits for renewable energy projects since it introduced a financial guarantee scheme aimed at freeing up network capacity for viable investments.

Technology

Featured

‘Grid-forming technology is no longer experimental – it’s here and working’

In grids increasingly dominated by renewables, grid-forming technology is emerging as critical tool for maintaining stability and ensuring reliable power system operation. In this interview with ESS News, Rui Sun, Sungrow’s Deputy General Manager-Grid Technology Center, explains how grid-forming works, why it matters, and where the technology is already proving its value. He elaborates on technical challenges, regulatory gaps, and why grid-forming could soon become the new industry standard.

Australia grants major project status to 6 GW power export plan

SunCable has welcomed the Australian federal government’s decision to renew major project status for its Australia-Asia PowerLink, which aims to deliver up to 6 GW of renewable power from the Northern Territory to industries and urban centers in Darwin and Singapore.

Improving solar windows via microfabrication techniques

Researchers in Europe are investigating semi-transparent solar windows, applying microfabrication technniques to both CIGS and perovskite devices, to overcome the view-impeding properties of earlier solar window concepts.

Researchers identify optimal level of solar, battery storage for European energy market

Researchers in Hungary have developed a model to calculate the optimal PV and battery storage balance to support the European grid in the next few years. They found that the cost-optimal range is at 530–880 GW of PV, combined with battery storage equivalent to 2.5–7.5% of the total intermittent capacity.

First attempt to build tandem solar cells based on perovskite, transition metal dichalcogenide

Scientists in India have proposed to design new tandem solar cells using transition metal dichalcogenide as an absorber material for the bottom PV device. Their simulations showed these tandem cells may reach an efficiency of over 35%.

Redwire deploys 60 kW roll-out solar array for first lunar orbit space station

The U.S. company held the first test deployment of its solar arrays designed to power solar-electric propulsion systems for the Gateway space station.

Manufacturing

Featured

China moves to curb solar overcapacity, stabilize pricing

China’s top industry officials have vowed to curb low-price competition and excess capacity in the solar sector, as authorities begin implementing measures aimed at stabilizing supply chains and rebalancing the market.

European Patent Office backs Borealis in POE encapsulation dispute

The European Patent Office has ruled that Borealis AG can continue producing polyolefin encapsulation (POE) material for solar applications, rejecting a patent challenge by Japan’s Mitsui Chemicals.

Indian manufacturer opens solar frame factory

H&H Aluminium Pvt. Ltd. has opened a new solar panel frame manufacturing plant in India, with an annual production capacity of 24,000 metric tons.

Open-source tools to build self-made management system for surplus PV power

French engineer André Buhart has published the plans and open-source software to create a DIY “solar energy router” to manage PV overproduction. Depending on the configuration, the device can direct excess photovoltaic energy to water heaters, pool motors, or underfloor heating, among others.

SolarPower Europe maps EU solar tracker supply chain

SolarPower Europe has underscored the role of domestic mounting system manufacturers in driving PV deployment across Europe, while calling for the adoption of international customs codes, stricter quality standards, and the inclusion of fixed-tilt racking systems in national resilience technology lists under the EU Net-Zero Industry Act (NZIA).

Chinese PV Industry Brief: Trina Solar to supply 700 MW to Austrian utility

Trina Solar has agreed to supply more than 700 MW of high-efficiency PV modules for projects in Spain and Italy under a five-year deal with Verbund Green Power, while EVE Energy says it will invest CNY 8.65 billion ($1.2 billion) in a new battery plant in Kedah, Malaysia.

Energy Storage

Featured

PowerChina breaks ground on world’s largest power generation-side battery storage project

On June 26, the construction of the world’s largest power generation-side energy storage project in Ulan Chab, Inner Mongolia, officially began. This 1 GW/6 GWh project, using lithium iron phosphate (LFP) technology, aims to enhance grid stability and support China’s renewable energy transition.

World’s largest vanadium flow battery goes online in China

A giant solar-plus-vanadium flow battery project in Xinjiang has completed construction, marking a milestone in China’s pursuit of long-duration, utility-scale energy storage.

Spain pairs battery storage with 26% of new rooftop PV systems in 2024

Around one-quarter of all new rooftop PV systems installed in Spain in 2024 included battery storage, underscoring continual growth in distributed energy, despite a decline in total installed storage capacity.

DJI debuts 2 kWh Power 2000 battery

DJI previously offered a Power 1000 battery, released in 2024, but the company’s new Power 2000 model is uniquely compatible with its ecosystem, plus expansion batteries.

Novel sizing approach for PV, battery storage in smart homes

Scientists in Iran have developed a novel framework to optimize the capacity of PV and battery storage in smart homes, using a two-stage stochastic programming model. They considered the uncertainties in the grid, market price, and PV output, while also looking at different operation cases.

Envision proves BESS fire resilience in CSA-certified test

Envision recently completed a large-scale, CSA C800 witnessed burn test of its 5 MWh energy storage system, demonstrating robust thermal containment and adding to industry-wide safety efforts.

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