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Lambda Wärmepumpen GmbH said its Eureka heat pump series uses a patented fluid mechanics system that reportedly improves heat transfer by four to six times while maintaining a temperature difference of just 3 K between the air and the refrigerant. Its seasonal coefficient of performance ranges from 4.50 to 6.10.

Croatian power company Hrvatska Elektroprivreda is seeking a developer to build a 56 MW solar power plant tied to up to 200 MWh of battery energy storage. The deadline to submit expressions of interest is May 12.

GCL Technology says its GCL Optoelectronic subsidiary plans a Hong Kong initial public offering (IPO) in 2026, alongside a potential 500 MW factory in the United States and a roadmap for space-based solar.

An international study has demonstrated that utility-scale solar PV paired with hydraulic hydro storage (HHS) could reach an LCOE as low as $0.022/kWh in select U.S. regions. The system could provide GWh-scale, cost-competitive, and highly reliable long-duration storage, capable of powering large commercial districts with minimal environmental impact.

The Colorado House of Representatives has passed a bill to legalize plug-in solar systems for renters and multifamily residents, establishing a regulatory framework for portable arrays that connect directly to standard home outlets.

Scientists in Australia claim that TOPCon cells are rapidly closing the open-circuit voltage gap with heterojunction counterparts, now under 10 mV, while offering greater wafer tolerance and high industrial scalability. Despite slightly lower efficiency, TOPCon-based perovskite/silicon tandems can achieve a levelized cost of energy comparable to heterojunction-based tandems due to reduced fabrication costs, according to the researchers.

South Australia has opened up more than 11,000 square km of land for the potential development of renewable energy projects as it continues the march to its target of 100% net renewables by 2027.

Chinese power transformer manufacturer TBEA introduced a grid-forming string power conversion system (PCS) for utility-scale storage, renewable energy base projects, and weak-grid applications. The TE435/392K-HV-BL high-power converter focuses on improving power density and grid support. According to TBEA, its fully integrated liquid-cooling design increases volumetric power density by 78% and gravimetric power density by 32% […]

The US manufacturer has launched a modular residential battery for Europe, scalable from 7.3 kWh to 47.9 kWh with LFP chemistry and IP65 protection. The system offers up to 23.3 kW nominal power, over 6,000 cycles, and a depth of discharge of 90%.

Indian clean-tech startup Greenvize has launched a compact hydrogen-based cooking system designed for residential and commercial kitchens. The system integrates a proton exchange membrane (PEM) electrolyser directly into a cooking unit, enabling on-site hydrogen generation from water without the need for storage or distribution infrastructure.