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Archives (Highlights)

2025

50th Anniversary of Solar PV in India

The year 2025 marks the 50th anniversary of Solar PV activities in India. It was in 1975 that Central Electronics Ltd.
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Short-Term Course on Theory and Technology of Silicon Solar Cells

Prof. Anil Kottantharayil, at NCPRE and PoTIC, organized a three-day short-term course titled "Theory and Technology of Silicon Solar Cells" from May 28th to May 30th, 2025.
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NCPRE students at the RD20 Summer School in Colorado

The year 2023 was then the warmest on record, and in response to this, RD20 was formed as a platform for R&D leaders from G20 countries to collaborate on achieving carbon neutrality.
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NCPRE Laboratory featured in India Today

The Hybrid Solar Cell (HSC) Laboratory, one of the key research facilities under NCPRE at IIT Bombay, has been prominently featured in a recent article in India Today.
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Design of Gate Driver Circuit for medium voltage SiC MOSFET

Advancements in wide-band-gap materials like silicon carbide (SiC) have enabled medium-voltage (MV) power devices to handle blocking voltages of 3.3–15 kV.
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NCPRE’s work on the Effect of Pyranometer Soiling on PV Performance Ratio Evaluation and Correction Methods

Accurate solar irradiance measurement is crucial for evaluating photovoltaic (PV) system performance.
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IIT Bombay and Rayzon Solar sign an MoU

On March 28, 2025, Dr. Shashwata Chattopadhyay, R&D AGM at Rayzon Solar, visited NCPRE and the Photovoltaics Technology and Innovation Centre (PoTIC) at IIT Bombay to explore potential collaborations.
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Four Terminal (4-T) Perovskite-Silicon Tandem Solar Cells at NCPRE

Silicon solar cells currently dominate the global market as the most widely used and effective solar cell technology. However, to achieve higher efficiencies, the next frontier in solar PV lies in tandem solar cells (TSC).
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Heat Sink Design Consideration for H-Bridge Inverter

Over the past few decades, photovoltaic (PV) power integration into the grid has grown exponentially with installations, now contributing terawatts of power.
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NCPRE’s Work on Bypass Diode Reliability Approved for the Creation of a New International (IEC) Standard

Prof. Narendra Shiradkar represented India in person at the IEC TC82/WG2 meeting in Ben Guerir, Morocco, in April 2025.
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NCPRE’s research work on optimizing TOPCon solar cell performance through Sentaurus TCAD modeling of monofacial and bifacial architectures

The increased deployment of photovoltaic (PV) technologies is one of the most effective strategies for generating clean energy with minimal environmental impact.
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NCPRE at IEEE APEC 2025 in Atlanta, USA

NCPRE participated in the 2025 IEEE Applied Power Electronics Conference (APEC), held in Atlanta, USA, from March 16–20, 2025.
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NCPRE presents latest findings on Bypass Diode Reliability at NREL PV Reliability Workshop, Golden, Colorado, USA

NCPRE’s Prof. Narendra Shiradkar attended the NREL PV Reliability Workshop (PVRW) in Golden, Colorado, USA in late March 2025.
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NCPRE advances Perovskite solar cell efficiency towards commercialization with cost-effective innovations

At the TaiyangNews Solar Technology Conference India 2025, held on April 10-11 in New Delhi, Prof. Dinesh Kabrafrom NCPRE shared significant advancements in perovskite solar cell technology.
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Carrier recombination, thermal feedback and photo- luminescence efficiency roll-off in Perovskites

Perovskite-based optoelectronic devices like solar cells and light emitting diodes are making rapid strides towards commericalization, and NCPRE has a major program in perovskite-silicon tandem solar cells.
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NCPRE Acquires State-of-the-Art Pasan Sun Simulator for Large Modules

During the NCPRE Phase 1, the first flash I-V simulator SPIRE SLP5600 was acquired by NCPRE. It was then the best-in-class simulator, and has been in service for 13 years. It was successfully used by NCPRE to study the performance of various modules through the years.
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Visit by Prof. Sumit Agarwal from Colorado School of Mines

On March 18, 2025, Prof. Sumit Agarwal visited NCPRE and delivered a seminar on "Fabrication and Long-term Reliability of High Efficiency Monocrystalline Silicon Solar Cells," sharing insights on improving solar cell efficiency through passivating contacts.
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NCPRE's Work on Quantifying Non-uniform PV Soiling Loss

Research at NCPRE has developed innovative methods to quantify non-uniform soiling loss in utility-scale PV plants and determine optimized cleaning schedules, helping improve plant performance and reduce maintenance costs.
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Improved Loss Estimation Model for SiC MOSFETs

NCPRE researchers have developed a refined loss model for SiC MOSFETs that enables more accurate inverter performance evaluation, particularly important for medium-voltage applications where commercial models are unavailable.
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Visit by Students of K. J. Somaiya Institute of Technology

Students from K. J. Somaiya Institute of Technology recently visited NCPRE labs, gaining exposure to advanced solar technologies including silicon solar cells, perovskites, power electronics, and module reliability studies.
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Analysis of Recombination Characteristics Due to LeTID in Mono-crystalline and Multi-crystalline Wafers

Light and Elevated Temperature Induced Degradation (LeTID) is one of the significant forms of degradation that have a long-term impact on the energy efficiency of silicon solar cells and modules.
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Visit by Regional Representative of METI, Japan

Mr. Toyokazu Nagamune, Regional Representative of Ministry of Economy, Trade and Industry (METI), Japan visited PoTIC / NCPRE on February 19, 2025 to discuss potential collaboration in areas related to next generation solar technologies especially perovskites.
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Mysterious Diode Failures in PV Plants: HTRB May be the Culprit!

Sometimes, unusually large numbers of bypass diode failures are seen at PV plants. Often, there isn't any visible signature of the damage, but the diodes are seen to have almost invariably failed in the short circuit condition.
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Four Terminal (4-T) Perovskite-Silicon Tandem Solar Cell Efficiency Reaches ~ 29.14 % at NCPRE IIT Bombay

Silicon solar cells currently dominate the global market with a power conversion efficiency (PCE) of approximately 26%, close to the theoretical maximum of 29%. However, to surpass this efficiency limit, the next frontier in solar energy technology lies in tandem solar cells (TSC).
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Visit by Delegation from Germany

Under the ambit of NSEFI-BSW project 'Establishing R&D Cooperation and Partnership', a high-powered delegation from German Renewable Energy Institutes visited NCPRE / PoTIC on February 20, 2025.
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Memorandum of Understanding (MoU) signed between TriNano Technologies Pvt. Ltd. and IIT Bombay

TriNano Technologies Pvt. Ltd. and IIT Bombay signed an MoU for R&D collaboration on December 17, 2024.
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NCPRE sets up India’s First Medium Voltage Power Electronics Research Facility

The Medium Voltage Power Electronics Laboratory (MVPEL) at NCPRE, IIT Bombay, is a pioneering facility and the first of its kind in India, established to foster cutting-edge research in MV power electronics.
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Visit to NCPRE Laboratories by Scientists from International Solar Alliance

Dr. Mridula Bharadwaj and Dr. Gurleen Kaur from International Solar Alliance
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Photovoltaic Recycling: Extraction of Valuable metals

Recycling photovoltaic (PV) panels using chemical techniques is an essential part of managing end-of-life solar panels, particularly as the industry matures and more panels reach their end of life.
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Workshop on “Research, Development & Innovation Network on PV & Related Areas”

NCPRE together with IIT Bombay’s Photovoltaics NCPRE together with IIT Photovoltaics Technology and Innovation Centre (PoTIC) organized a 2-day workshop on “Research, Development & Innovation Network on PV & Related Areas” on January 23 and 24, 2025.
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