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Time series Foundation Models based on Physics-Informed Synthetic Histories for Cold-Start Photovoltaic Forecasting
arXiv:2606.07457v1 Announce Type: new Abstract: At commissioning time, Photovoltaic (PV) operators must forecast production before target-site observations are available, limiting the direct use of standard supervised forecasters. This cold-start setting is addressed with a zero-shot pipeline that generates a synthetic production history from plant metadata and meteorological covariates, enabling time-series foundation models (TSFMs) to forecast through inference-time conditioning. Five...
Step-adaptive multimodal fusion network with multi-scale cloud feature learning for ultra-short-term solar irradiance forecasting
arXiv:2606.06102v1 Announce Type: new Abstract: Ultra-short-term solar irradiance prediction is critical for photovoltaic system dispatch and power grid stability. Existing approaches suffer from three key shortcomings: single time-series models cannot capture the spatial dynamics of clouds under complex conditions, standard convolutions inadequately represent multi-scale cloud features, and fixed low-frequency compensation strategies fail to adapt to different prediction steps. To address...
Persistent singlet electronic character in the multiexcitonic triplet-pair state of strongly coupled pentacene singlet fission dimers
Announce Type: new Abstract: Singlet fission converts an optically excited singlet state into a spin-entangled triplet pair state (TT$_1$)$^1$ that can, in principle, yield two free triplets for photovoltaics and/or a polarized high spin state for quantum technologies. Synthetically tunable templates suggest that the above photophysics is governed by a subtle but poorly understood interplay of molecular motifs, geometry and structural fluctuations. Here, we investigate the (TT$_1$)$^1$ state...
China’s Solar Industry Launches Space Alliance With Few Details
Solar panels at a photovoltaic power station in Gansu Province, China.
Explainable Data-driven Deep Reinforcement Learning Methods for Optimal Energy Management in Buildings
arXiv:2606.02049v1 Announce Type: new Abstract: The increasing integration of renewable energy sources into power systems, particularly in buildings equipped with photovoltaic (PV) panels and energy storage systems, introduces significant complexity in energy systems. Volatile power generation, varying electricity tariffs, and increased entities, e.g., PV systems, and heat pumps, have increased the complexity and made the system harder to operate. This leads to the demand for additional...
Chinese Solar Firms Look Beyond Earth for Growth
Solar panels at the Baofeng Agriculture-Photovoltaic Integration Industrial Base near Yinchuan, Ningxia autonomous region, China, on Tuesday, Sept. 16, 2025. China plans to more than double its energy storage capacity in the next two years to further accelerate the deployment of renewables.
Light pulses uncover Higgs mode that reshapes perovskite crystal symmetry
Light pulses uncover Higgs mode that reshapes perovskite crystal symmetry Sadie Harley Scientific Editor Robert Egan Associate Editor Waves of light and sound interact to drive electronic and structural changes in a perovskite crystal. At the atomic scale, nothing is ever truly still. Materials that appear perfectly rigid and motionless to the naked eye are in fact swarms of vibrating atoms.
Diverse efforts in the same direction: A multi-model comparison of climate-neutrality power sector pathways for the Nordic countries
arXiv:2603.26719v2 Announce Type: replace Abstract: The Nordic countries have adopted ambitious climate targets that imply far-reaching transformations of their power sectors, making energy system modelling a central input to long-term policy analysis. At the same time, comparing results across studies remains challenging due to differences in model structure, assumptions, and data. This paper presents a comparative assessment of Nordic power sector transition pathways across four Nordic...
Three farms affected by Lim Chu Kang land-use changes seek lease extensions as expiry dates draw near
Three farms affected by Lim Chu Kang land-use changes seek lease extensions as expiry dates draw near Two farm owners questioned why they have to leave within the next year, when two other farms will still be operating in the same area for at least another 10 years. SINGAPORE: With less than a year to go until their leases expire, three farms in Lim Chu Kang are fighting for a chance to extend their tenures and hold on to their land. These farms – Bollywood Farms, Gan Aquarium and Gallop...
Is Europe's heatwave bad news for renewables? Surge in solar turns power prices negative
Soaring temperatures can actually hinder some kinds of renewable energy output, even sun-absorbing solar. Europe has been baking amid its first major heatwave of the season, with the UK and France experiencing record May temperatures. Sunny skies have caused a surge in solar power output, resulting in negative electricity prices in some parts of Europe - where the wholesale market of electricity dips below zero due to supply outstripping demand.