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Green hydrogen remains ‘prohibitively’ expensive in Africa

A European research team has assessed the levelized cost of hydrogen across 31 African countries and has concluded that importing green hydrogen from Africa to European is economically unfeasible by 2030, with prices ranging from $10.2/kg to $3.8/kg.

China’s SNEC 2025 show highlights PV industry resilience, storage growth

Chinese solar manufacturers showed resilience at the 2025 SNEC PV Power Expo in Shanghai despite a deepening supply glut, as strong demand for energy storage and emerging technologies offset a steep drop in new PV module launches. Tunnel oxide passivated contact (TOPCon) stayed dominant, while back-contact, perovskite, and lithium iron phosphate (LFP) storage solutions gained traction.

Perovskite solar cell built through Argon plasma treatment achieves 23.55% efficiency

Researchers in China have used an argon plasma polishing pre-treatment (APP) to remove surface defects and increase passivation effectiveness in perovskite solar cells. The result is a perovskite device with a 2D interface that significantly improves stability and performance. 

Rooftop PV may ‘unintentionally’ exacerbate urban heat

New research from Hong Kong confirms that rooftop PV systems significantly contribute raise daytime temperatures in urban environments. The scientists explained that, although their findings highlight important urban resilience considerations, they should not detract from the broader benefits of PV systems for energy sustainability and carbon reduction.

JinkoSolar takes top spot on WoodMac’s list of PV module manufacturers

JinkoSolar led global PV module shipments in 2024, followed by JA Solar, Longi, Canadian Solar and Trina Solar, according to Wood Mackenzie. The research firm notes a growing shift toward full vertical integration among top manufacturers.

Chinese researchers achieve 24.6% efficiency with perovskite-CIGS tandem cell

Chinese scientists hit 24.6% efficiency with a two-terminal perovskite-CIGS tandem cell by adding D-homoserine lactone hydrochloride (D-HLH) to the perovskite precursor, marking one of the highest reported performances for the technology.

New soiling chamber for testing of dust buildup in solar modules

Scientists in India have designed a new soiling chamber that is capable of emulating the soiling conditions of a given geographical location in a shorter time frame, hosting larger panels compared to conventional setups. The new chamber can be used to estimate soiling losses and cleaning costs for potential solar power plant sites, to improve existing soiling models, to investigate how factors like tilt angle affect soiling, and to evaluate the effectiveness and durability of anti-soiling coatings.

Hewer launches pre-assembled unit for heat pump retrofit, installation

The UK-based heating solutions provider has developed a pre-engineered and ready-to-install unit compatible with most of the residential heat pumps available in the market. It can be placed underneath a standard hot water cylinder and transfer heat from the pump via a plate exchanger to the central heating indirectly.

Carrier debuts residential heat pump for cold climates

The U.S. heating specialist said its new heat pump system can operate “reliably” at -30 C and achieve 100% heating capacity at -17 C, with full cooling capacity being achievable at 50 C. 

Ivory Coast launches tenders for 200 MW/66 MWh of solar-plus-storage

Ivory Coast has opened tenders for 200 MW/66 MWh of solar-plus-storage, seeking proposals for two 100 MW solar parks each connected to 33 MWh of storage.

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