PV string fault detection technique based on multi-layer neural network
Scientists in India have proposed using a multilayer neural network to find line-to-ground, line-to-line, and bypass diode faults in PV module strings. They tested the new approach on a 22.5 kW solar array and reportedly achieved “competitive” accuracy results.
Combining residential air heat pumps with air-geothermal heat exchangers
Researchers in Italy have found that combining residential air heat pumps with air-geothermal heat exchangers may reduce power consumption by up to 30%. They tested the proposed combination using Matlab in a passive single-family building located in Valtellina, northern Italy.
Italy, Spain, Portugal break daily solar generation records
Italy, Spain and Portugal recorded their highest-ever daily PV production rates during the week of May 20, while prices also rose across all major European electricity markets, according to AleaSoft Energy Forecasting.
RWE approves first 8-hour big battery in Australia
Germany’s RWE has signed key contracts for the Limondale eight-hour battery storage project, which is now under development in Australia.
Maxvolt secures $1.5 million for lithium battery plans in India
Maxvolt Energy Industries has raised $1.5 million from angel investors to accelerate its lithium-ion battery R&D efforts, enhance production capacity, and expand market reach.
US states accept grid modernization challenge
Twenty-one US states have accepted the grid modernization challenge as part of the Federal-State Modern Grid Deployment initiative, which aims to shore up the US energy grid for future challenges and opportunities in the power sector.
Itochu, Google enter into long-term power agreement in Japan
The power purchase agreement will see Clean Energy Connect Co Ltd, an Itochu portfolio company, develop around 72 MW of dedicated solar plants for Google by 2026, to help reach the search engine company’s renewable energy targets.
The Hydrogen Stream: Climate group dampens hopes for blue hydrogen
Solutions for Our Climate (SFOC) says in a new report that blue hydrogen might not be an effective climate solution, while TotalEnergies and its partners have agreed to explore green hydrogen potential in Tunisia.
Baywa re switches on 54 MW agrivoltaic site in Spain
Baywa re has commissioned a 54 MW agrivoltaic solar project in Spain. Denmark-based Velux has agreed to purchase most of its 96.8 GWh of annual output under a long-term power purchase agreement (PPA).
The rise of Pakistan’s C&I solar business
High energy prices and levies are becoming strong drivers for commercial and industrial (C&I) solar projects in Pakistan. Omar Malik, the CEO of Pakistani C&I solar developer Shams Power, speaks with pv magazine about market trends and challenges.
