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PV industry updates from NEUTRON.
Evidence-led updates on photovoltaic technology, manufacturing and research, with source links and clear limits around reported claims.
News library
Recent developments across PV technology and manufacturing.
Each news item separates reported facts from interpretation and links to the source material. Technical how-to guidance remains in Insights.
TOPCon Mass-Production Efficiency Reaches New Plateau in 2026
How TOPCon became the dominant n-type architecture in 2026, with mass-production efficiency passing 26% and pilot lines approaching 27%.
Read the update New TechnologyHIBC Cell Record Reaches 28.13%: Certification Attribution Clarified
A reported 28.13% single-junction silicon result is reviewed with the certification body, development party and test date kept distinct.
Read the update New TechnologyPerovskite-Silicon Tandem Moves From Record to Square-Meter Engineering
Tandem cells exceeded 32% certified in 2026 while larger modules moved closer to engineered-scale testing.
Read the update New TechnologyBack-Contact (BC) Cells Scale Into Mainstream Volume in 2026
Back-contact architectures moved from a niche path toward larger-volume production, with high-efficiency modules aimed at rooftop and utility use.
Read the update New TechnologyZero-Busbar (0BB) Metallization Becomes Standard for Premium Lines
Zero-busbar interconnection is reported as a route to lower front shading and silver use, with results that still depend on process and reliability boundaries.
Read the update New TechnologyLECO Laser Contact Optimization Becomes a TOPCon Baseline
In 2026 LECO turned from lab novelty to TOPCon production baseline, lowering contact resistance and lifting efficiency by about 0.2-0.3 points.
Read the update New TechnologyDouble-Sided Poly Passivation Lifts TOPCon Voltage and Yield
A rear ultra-thin polysilicon passivation layer pushed TOPCon open-circuit voltage above 730 mV in 2026, helping leading lines pass 26.5% cells.
Read the update New TechnologyBifaciality Factor Becomes a Core Module Selection Metric
In 2026 bifaciality (rear/front efficiency ratio) became a primary spec, with TOPCon near 80-88% and HJT above 90% driving rear-side energy gains.
Read the update New Technology2382×1134 mm Module Format: A 2023 Alignment Revisited in 2026
The 2382×1134 mm figure is reviewed as a module format alignment recorded in July 2023, with its 2026 relevance limited to procurement and design context.
Read the update New TechnologyLow Temperature Coefficient Cells Win Hot-Climate Markets
Cells with lower power-temperature coefficients (HJT, CdTe) delivered 4-7% more annual energy than PERC in ambient above 55 C in 2026 field data.
Read the update New TechnologyTandem Scale-Up Puts Encapsulation and Reliability in Focus
Fraunhofer ISE opened a perovskite-silicon scale-up laboratory in 2026; larger formats make encapsulation, interfaces and module-level evidence central to qualification.
Read the update New TechnologyBOE Lists 24.3% Rigid Perovskite Pilot Module Efficiency
BOE's 2026 perovskite product page reports separate rigid- and flexible-pilot figures; module size, format and batch-yield context must stay attached to each number.
Read the update New TechnologyCdTe and CIGS Keep Distinct Roles in Thin-Film PV
CdTe and CIGS use thin absorber layers but have different manufacturing, module-format and qualification considerations; product-specific data matters more than a blanket ranking.
Read the update New TechnologyShingle-Matrix Design Reopens the Cell-to-Module Question
Fraunhofer ISE's 2026 shingle-matrix announcement highlights how interconnection architecture changes module construction; cell-to-module results still require a defined comparison basis.
Read the update New TechnologyCopper Metallization Gains Attention as Silver Costs Rise
Copper-based contacts can reduce reliance on silver, but process integration, contact performance and reliability must be evaluated together for each cell architecture.
Read the update New TechnologyQuarter-Cut Modules Show Shading Trade-Offs in 2026 Testing
JinkoSolar and TÜV Rheinland reported a 2026 shading-resistance result for a quarter-cut module architecture; the comparison is limited to the stated test method and scenarios.
Read the update New TechnologyAn Industrial PV Study Uses Machine Learning on 100,000 Cell Records
A 2026 peer-reviewed study applies machine learning to industrial solar-cell production data for wafer-quality decisions; it does not establish universal closed-loop factory control.
Read the update New ManufacturingLIANS Reports First Output from a GW-Scale HJT Multi-Slice Line
LIANS reported first output from its Meishan HJT multi-slice line on 16 April 2026; company product data and third-party reporting should remain clearly attributed.
Read the update New ManufacturingWhat 5G Factory Labels Do—and Don't—Prove for PV Production
A government 5G-factory designation documents a connectivity and industrial-internet project; it does not by itself establish a lights-out line, a yield improvement or a product-quality result.
Read the update New ManufacturingPV Machine Vision: What Defect Studies Can Establish
2026 research applies image models to PV-module defect inspection, but image classification does not establish a universal physical defect-size threshold or factory-wide error rate.
Read the update New TechnologyChina’s GB 47834-2026 PV Efficiency Standard: What It Covers
GB 47834-2026 was published on June 27, 2026 and takes effect on January 1, 2027. Its scope should not be reduced to a wattage cutoff.
Read the update New ManufacturingPERC Capacity Is Under Pressure, but There Is No Universal Phase-Out Date
The 2026 ITRPV points to TOPCon’s continued market prominence, but does not establish a PERC market-share figure, universal retirement date or legal ban.
Read the update New TechnologyTOPCon Generations: What Buyers Can Verify Beyond the Label
Efficiency standards and process upgrades invite closer model-level checks, but LECO or 0BB alone does not prove that a TOPCon module passes a grade.
Read the update New ManufacturingThin PV Wafers: One HJT Case, Not an Industry-Wide Benchmark
Risen Energy’s December 2023 white paper documents one HJT production case using 110 μm silicon wafers; it is not a 2026 industry-wide thickness specification.
Read the update New ManufacturingHigh-Density PV Packaging: Two 2026 Manufacturer Examples
Huasun and AIKO reported separate 2026 module developments. Their figures describe different manufacturers and products, not a universal packaging gain.
Read the update New ManufacturingPOE and EPE Encapsulants: New Research Clarifies the Trade-Offs
A 2026 study finds stronger moisture barriers in tested EPE films, while leaving long-term module durability and formulation trade-offs open.
Read the update New Manufacturing700W-Class PV Modules: A 2026 Product Update, Not a Universal Format
Trinasolar announced a 760W Vertex N G3 upgrade in March 2026. The announcement is product-specific; system savings depend on the project design.
Read the update New ManufacturingFlexible PV Manufacturing: What Simulation Can Support
A documented solar-equipment case and Fraunhofer research show why manufacturing flexibility needs production modeling and product-specific qualification.
Read the update New ManufacturingLow-Carbon PV Procurement: Match the Claim to Its Evidence
JinkoSolar reported a sustainable-procurement conformity statement in 2025. A supply-chain assessment and a module carbon footprint answer different questions.
Read the update New ManufacturingPV Lamination Models: Evidence Without a Guaranteed Bubble Reduction
Published curing research supports thermal modeling of specific PV laminates. It does not establish a universal digital-twin reduction in production defects.
Read the update New ManufacturingSmartWire and 0BB: Why Busbar-Free Is a Starting Point
A review of documented SmartWire and zero-busbar examples explains why contact geometry alone cannot establish bonding compatibility or module reliability.
Read the update New ManufacturingAutomated Stringers: A 2026 Factory Update and Acceptance Questions
Ecoprogetti's July 2026 Iraq factory announcement includes stringers within a complete automated line. Equipment speed and accepted plant output remain distinct.
Read the update New ManufacturingPV Recycling in 2026: Better Recovery Data, Open Material Questions
The April 2026 IEA PVPS update reports advances in recycling inventories while identifying gaps in energy data, material quality and system boundaries.
Read the update New ManufacturingPV Manufacturing Localization: What the IEA's 2026 Analysis Shows
IEA analysis finds growing downstream manufacturing in the United States and India while upstream concentration remains a supply-chain constraint.
Read the update New ResearchBifacial Yield: What an Updated Field Dataset Can Validate
A Golden, Colorado vertical-PV dataset updated in March 2026 offers a defined validation case; it does not establish one bifacial gain for every project.
Read the update New ResearchAgrivoltaics: Test the Farm and the Power Plant Together
A review of Fraunhofer guidance explains how crop response, machinery access and electricity production shape the evidence needed for a dual-use solar project.
Read the update New ResearchSolar Windows: Evaluate the Glazing and Generation Together
Laboratory research on photovoltaic windows highlights the need to compare electricity generation with daylight, thermal behaviour and glazing durability.
Read the update New ResearchAI and PV Soiling: Measure the Loss Before Scheduling Cleaning
IEA PVPS research connects sensors, modelling and machine learning with site-specific soiling management, without establishing a universal yield gain.
Read the update New ResearchVirtual Power Plants: Specify the Service Behind the Capacity
The DOE 2025 VPP update provides a reference for evaluating distributed-resource aggregation, service delivery and the evidence behind a capacity claim.
Read the update New ResearchPerovskite Stability: What a Year Outdoors Can Reveal
A June 2026 triple-junction study shows why device construction, outdoor monitoring and degradation diagnosis matter alongside initial efficiency.
Read the update New ResearchPV Reliability: Read Qualification Alongside Field Evidence
IEC qualification and a 2025 failure-mode review answer different reliability questions. Procurement needs the tested construction and a site-relevant operating record.
Read the update New ResearchFloating PV Reliability Starts With the Water-Site Design
An IEA PVPS review connects floating-PV energy modelling with reliability and maintenance. Water exposure needs a system-level assessment.
Read the update New ResearchPV Recycling Economics: Recovery Rate Is Only One Input
A country-status review highlights logistics and markets for recovered materials. Silver and silicon need separate mass, purity and cost accounts.
Read the update New ResearchBifacial Tracking: Evaluate the Algorithm and the Site Together
IEA PVPS guidance highlights opaque algorithms, weather response and modelling uncertainty. A tracker gain needs a defined comparison.
Read the update New ResearchCSP and PV Hybrids: Define the Path From Sunlight to Dispatch
Solar-thermal generation and PV follow different conversion paths. Hybrid dispatch depends on the energy store, interfaces and operating schedule.
Read the update New ResearchTandem Field Testing: Measure Outdoor Energy Beyond Peak Efficiency
A reliability research review motivates better outdoor evidence. Tandem test campaigns need traceable electrical, weather and operating records.
Read the update New ResearchAgrivoltaic Monitoring: Keep Crop Light and Electrical Data Separate
Fraunhofer guidance supports a dual-use assessment. Crop-light measurements and PV electrical records need coordinated interpretation.
Read the update New ResearchPV End-of-Life Policy: Map the Market, Date and Responsible Party
The EU WEEE framework and its 2024 amendment show why financing duties must be mapped to the equipment, market and relevant dates.
Read the update New ResearchBIPV Colour and Appearance: Qualify the Actual Facade Assembly
IEA PVPS guidance treats integrated PV as infrastructure with several functions. Facade appearance, electrical yield and building performance need separate evidence.
Read the update New ResearchGrid-Forming PV: Separate Control Response From Firm Energy
A national-laboratory research programme distinguishes inverter control from the resources behind it. Firm-power services need a separate energy and operating commitment.
Read the update New ResearchMulti-user green-power direct connection: the 2026 policy boundary
Official questions and answers clarify multi-user direct connection. Project eligibility and dispatch still require a defined local scheme.
Read the update New TechnologyGaN enters a commercial three-phase microinverter announcement
A May pre-order announcement provides a concrete GaN microinverter development, with ratings and availability that remain product-specific.
Read the update New Technology800 VDC data-centre power: a roadmap with interface questions
The May 2025 architecture announcement targets a future deployment horizon. It is not evidence of 2026 SiC mass production.
Read the update New TechnologyGaN in a PV optimizer: why device voltage is not array voltage
A June device-selection announcement concerns a module-level DC/DC optimizer. Its 100 V switches do not define a 1500 V array rating.
Read the update New ResearchChina virtual power plant guideline: one standard, several reports
Official metadata identifies the national VPP technical guideline and its effective date. Related reports belong in one standards update.
Read the update New ResearchCPIA Roadmap Frames China's 2026 PV Outlook
The 2025–2026 roadmap debate is useful when its forecasts, reporting dates and project assumptions remain visible.
Read the update New TechnologySNEC 2026 Shifts the Review From Components to Integration
The organiser’s June closing report connects PV, storage and digital controls; project acceptance still depends on documented interfaces and operating boundaries.
Read the update New ResearchPhoto-Transformable Additive Advances Perovskite–Organic Tandems
A July Nature paper reports certified steady-state efficiency and a defined stability test for a specific tandem device.
Read the update New TechnologyDalate Back-Contact PV: What a February Project Report Shows
A reported utility-scale project is a starting point for examining back-contact deployment, not evidence that terrestrial modules are qualified for space.
Read the update New ResearchZhongwei data-centre PV supply: separating project and lending figures
A Xinhua financing report links a 500 MW PV project with data-centre electricity supply. Its wider lending total has a different scope.
Read the update New ResearchOffshore PV: Two Project Approvals, Two Different Stages
Jiangsu's September notices describe a Dongtai environmental approval with a pre-construction condition and a separate Dafeng project still at proposed review.
Read the update New ResearchChina's 2026 PV Pipeline: Read the 627-Project Count Carefully
A dated industry compilation reports 627 listed projects and more than 58.7 GW for entries with countable capacity; the tally is not national commissioned capacity.
Read the update New TechnologyDaqing Adds PV and Storage to a Demonstration Platform
A January local report describes perovskite modules, vanadium-flow storage and energy management at Daqing's demonstration platform, without publishing comparative field results.
Read the update New TechnologyTracker Controls and Cleaning Robots Need a Shared Interface
A July industry report describes a tracker supplier's AI, robotics and local-service strategy; project value still depends on verified interfaces and field acceptance.
Read the update