The global solar market has continued to grow in the first 6 months of 2025, but with notable shifts. Solar installations soared in the first half of this year, especially in China, but a new policy framework puts a big question mark on demand in the second half of the year and beyond in the world’s most dominant solar market.
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Solar cell, module and backsheet manufacturer Jolywood, in collaboration with the University of New South Wales (UNSW), has announced a key breakthrough on its proprietary Jolywood Selective Injection Metallization (JSIM) technology. The findings, which explore the mechanisms behind JSIM’s efficiency improvements, were published in the journal Progress in Photovoltaics: Research and Applications. The study addresses challenges related to metal contact recombination in JSIM cells. By designing mutually independent contact patterns with varying electrode contact ratios and utilizing Quokka 3 simulation software, the researchers successfully extracted front and rear surface recombination data, demonstrating significantly lower recombination rates compared to those in conventional high-temperature sintered TOPCon cells. Further loss analysis confirmed that reduced recombination was the primary driver behind the gains in JSIM cell efficiency. Jolywood reports a 0.58% absolute efficiency improvement in JSIM-based TOPCon cells compared to standard TOPCon technology.
Last month, Jolywood announced that a TOPCon cell developed in-house achieved a maximum power temperature coefficient of -0.2557%/°C (see China Solar PV News Snippets).
Leading integrated solar manufacturer LONGi has forecast a net loss attributable to shareholders of RMB 2.4 ($334.59 million) to RMB 2.8 billion ($390.35 million) for the first half of 2025. This will be a substantial reduction from the RMB 5.243 billion ($730.94 million) loss the company reported for the same period in 2024. LONGi notes that while its module shipments increased during the period, its revenue gains did not match volume growth due to falling PV prices. On the products front, the company highlighted that its HPBC 2.0 module products have been officially launched, with rapid growth in both signed orders and shipments.
LONGi’s Charles Jiang shared the company’s future-focused distributed generation plan, which includes mass deployment of HPBC 2.0, with TaiyangNews in an exclusive interview at SNEC 2025 (see LONGi Backs DG Growth With High-Efficiency Modules).
Drinda, the parent company of TOPCon cell manufacturer Jietai Technology (JTPV), has projected a net loss of RMB 200 million ($27.77 million) to RMB 300 million ($41.82 million) for H1 2025. The company reported a net loss of RMB 166 million ($23.14 million) during the same period last year. The company attributes its amplified losses to continued oversupply in the solar market, which has pushed product prices downward. Drinda states that it achieved strong export growth despite the challenges, with overseas sales accounting for 51.9% of its total revenue for H1 2025, up from 23.85% in 2024. In May, the company successfully listed on the Hong Kong Stock Exchange, raising HKD 1.29 billion ($165 million) in net proceeds, which are being used to fund Phase I (5 GW) of its planned 10 GW solar cell facility in Oman.
Integrated solar PV and ESS manufacturer Trinasolar has officially joined the Global Solar Sustainable Alliance (GSSA), a coalition founded on the Ten Principles of the United Nations Global Compact and the UN Sustainable Development Goals (SDGs). GSSA aims to promote comprehensive progress in environmental, social, and governance (ESG) practices across the PV industry, advocating for just transitions, people-centered approaches, and enhanced corporate governance. Trina stated that it will actively respond to the GSSA’s joint initiatives and continue to align its ESG practices with the UN Global Compact principles and climate justice transition guidelines.
A 24-member group, including Chinese solar manufacturing giants JA Solar, JinkoSolar, LONGi, Tongwei and GCL Group, launched the GSSA in May 2025 (see Leading Solar Firms Form UN-Backed Solar Sustainability Alliance).
According to data from the National Bureau of Statistics of China as of June 2025, large-scale industrial enterprises (with annual revenues of RMB 20 million or more) produced 67.39 GW of solar cells in June, representing a year-on-year (YoY) increase of 24.1%. However, this is down from the 70.57 GW reported in May 2025 (see China Solar PV News Snippets).
For the 6-month period from January to June 2025, cumulative output reached 370.19 GW, up 18.2% YoY.
These enterprises generated a total of 4,537.1 TWh of electricity during the same period, which is up 0.8% YoY. Solar and wind power generation reached 266.7 TWh and 553.3 TWh, growing by 20% and 10.6%, respectively.
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