Author: Arnes Biogradlija

Arnes Biogradlija is the founder and Editor in Chief of EnergyNews.biz, which he launched in 2021 to separate energy transition realities from fairy tales. He writes data driven analysis on hydrogen, energy storage, small modular reactors, grids and industrial policy, and leads the Energy Talks interview series. EnergyNews.biz reporting has been cited more than 100 times by the International Energy Agency.

Nvidia’s reference design for megawatt-class AI racks asks for two things at once: 800 VDC power distribution and storage that works across timescales from milliseconds to minutes, with supercapacitors named for the fastest layer. A memorandum of understanding announced by Infineon Technologies and Skeleton Technologies in early September sets out a framework to explore both, from the grid connection to the processor. The memorandum maps directly onto that two-part requirement. Its first track covers next-generation solid-state transformers that convert medium-voltage AC to high-voltage DC, combining Infineon’s CoolSiC power semiconductors with Skeleton’s power conversion systems and supercapacitor technology. Its second track…

Read More

In September 2022, EnerVenue signed a master supply agreement covering 250 MWh from 2023 to 2025, with deliveries of 50, 100, and 100 MWh, for an earlier generation of its product. The order it now calls its first commercial contract at multi-megawatt-hour scale is 26 containerized units totaling 11 MWh for an unnamed Chinese oil and gas producer, with the first three due in December from a production line that made its first conforming cell at the end of September. Eleven megawatt-hours across 26 units works out to about 423 kWh per container. Launch coverage of the Energy Prism by…

Read More

India’s utility-scale storage market faces a critical execution test as the Solar Energy Corporation of India Limited issues a Request for Selection targeting 800 MW / 3,200 MWh of standalone battery storage capacity. Published under tender reference SECI/C&P/IPP/15/0010/26-27, the SECI-ESS-IV solicitation establishes a tariff-based competitive bidding mechanism for four-hour duration assets operating on a Build-Own-Operate framework. As the Intermediary Procurer, SECI will execute 20-year Power Purchase Agreements (PPAs) with winning developers while backing these commitments through Power Sale Agreements (PSAs) with buying entities. The technology-agnostic tender allows grid interconnections at either the Inter-State Transmission System (ISTS) or State Transmission Utility…

Read More

When energy infrastructure operators evaluate blending hydrogen into natural gas transmission networks, the safety calculus appears straightforward at first glance. However, quantitative risk assessments reveal a surprising physical reality: overall pipeline risk does not scale linearly with hydrogen concentration. In a high-pressure 10-kilometer transmission pipeline operating at 84 bar and 50 °C, the maximum individual risk does not occur with pure natural gas or pure hydrogen. Lower Mass Flow Rates Do Not Equal Lower Risk When a pipeline breach occurs, fluid density determines release dynamics. Substituting natural gas with lighter hydrogen molecules lowers mixture density, reducing mass discharge rates through…

Read More

India’s green hydrogen industry is entering a more commercially significant phase as developers begin converting government-backed production ambitions into binding international offtake agreements. Publicly announced commitments involving ACME Group, AM Green and Larsen & Toubro’s L&T Energy GreenTech now point to an export pipeline of roughly 1.2 million tonnes per year of green and renewable ammonia, alongside about 100,000 tonnes per year of green methanol. The significance is not simply the volume. The agreements increasingly connect Indian production projects with Japanese and European buyers through long-term contracts, take-or-pay structures and government-supported mechanisms designed to address the central weakness of the…

Read More