String inverters: Technical progress and application status
As deployment expands across residential rooftops, commercial and industrial systems, and large-scale ground plants, string inverters are evolving at an unprecedented pace. This article reviews the key technology trends and application developments shaping the market as we move into 2025.
Sungrow debuts 2.5 kW microinverter
The Chinese company said its new microinverter supports four independent MPPT inputs with DC input currents up to 18 A.
Redefining Smart Cities: The transformative role of solar energy in urban grid evolution
The economics of solar have evolved significantly. With declining panel costs and robust government support—through schemes like the PM Surya Ghar Muft Bijli Yojana and PM-KUSUM—solar is now a financially viable solution for municipalities and citizens alike.
Industry reacts to cybersecurity rules for rooftop solar monitoring systems
The solar industry broadly supports a more secure, standardized framework for remote monitoring systems (RMS) used in grid-connected rooftop solar installations but voices concerns over implementation hurdles, additional costs, and technical feasibility—especially for smaller players and regions with limited connectivity.
Sinovoltaics releases latest PV inverter manufacturer ranking
The quality assurance firm updated its inverter manufacturer financial stability ranking with APSystems (Yuneng Technology), Sinexcel, and Eaton in the top three spots.
MaxVolt Energy launches smart lithium inverters
MaxVolt Industries Energy has launched wall-mountable, high-efficiency inverters with inbuilt lithium battery for residential and commercial solar applications.
Novel switched capacitor boosting inverter for PV usage
Researchers have designed a new switched-capacitor-based multilevel inverter topology with nine switches. They have tested it in simulations and in hardware-in-the-loop tests. Efficiency reached up to 96.5%.
MNRE issues draft security guidelines for rooftop solar inverters and communication devices
India’s Ministry of New and Renewable Energy (MNRE) has released draft guidelines outlining the data communication and cybersecurity architecture for remote monitoring systems (RMS) used in grid-connected rooftop solar installations.
Sunbolt introduces pre-assembled solar ‘backyarder’ kit
The kit includes two 50 W solar panels, a 400 W inverter, and two batteries and powers devices directly with 120V GFCI ports and USB ports.
Photovoltaic inventions increased seventeen-fold in three decades
The European Patent Office says China has overtaken other countries in photovoltaic patent filings over the past 15 years, while European startups and universities retain a lead in agrivoltaics and niche solar applications.
