Energy Digest

Daily Summaries & Key Takeaways of Power & Energy Updates
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Last Updated: December 01, 2025 at 05:08 PM
7
News & Articles
4
Research Papers
1

You’d Really Miss Renewables This Winter If They Weren’t Available

Summary

The article highlights the importance of renewable energy sources, such as solar and wind power, in reducing global warming stress and its climate consequences. Renewable energy is also more cost-effective and less harmful to human health compared to fossil fuels. The article emphasizes the significance of renewable energy during winter months when it is particularly crucial.
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Key Takeaways

  • Solar and wind power provide significant benefits for mitigating global warming stress and its climate consequences.
  • Renewable energy sources are a cost-effective alternative to fossil fuels, making them more economically viable.
  • The use of renewable energy can also lead to reduced harm to human health compared to the combustion of fossil fuels.
2

Morocco opens tender for 1,000 km UHV transmission line

Summary

Morocco has opened a tender for the construction of a 1,000 km ultra-high-voltage alternating current power line to transmit approximately 2 GW of renewable energy between Boujdour and Tensift. The pre-qualification round is currently underway, with applications due on January 15, 2026. The project aims to strengthen Morocco's electrical infrastructure and support the growth of renewable energy.
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Key Takeaways

  • Morocco is investing in a 1,000 km ultra-high-voltage alternating current power line to transmit approximately 2 GW of renewable energy between Boujdour and Tensift.
  • The project is part of a broader set of major electrical infrastructure projects currently in operation or development by the National Office for Electricity and Potable Water (ONEE).
  • The chosen contractor will be responsible for designing, constructing, and commissioning the project under a turnkey contract, with a scheduled completion date of December 2028.
3

NTPC commissions solar-hydrogen-based microgrid in India

Summary

NTPC has commissioned a solar-hydrogen-based microgrid system in Chushul, Ladakh, India, which will provide 200 kW of round-the-clock power to remote Army locations. The system uses hydrogen as a storage medium and is designed to replace diesel gensets, reducing carbon emissions and enhancing energy security. The project was completed in a record eight months despite challenging terrain.
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Key Takeaways

  • The solar-hydrogen-based microgrid system will provide reliable and sustainable power supply even in harsh winter conditions with temperatures as low as –40°C.
  • The system replaces diesel generator sets at remote Army locations, reducing carbon emissions and improving energy security.
  • The project supports local production and use of green energy, eliminating the need to transport fuel from the plains and easing logistical burdens.
4

The Strange Time Compression of Sodium-Ion Battery Development

Summary

The article discusses the rapid development of sodium-ion battery technology, led by Chinese companies CATL and BYD, which now hold over 50% of the world's EV battery market share. This progress has been unexpected, given the relatively slow pace of development in this field. The sudden acceleration of innovation is a significant trend in the clean energy sector.
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Key Takeaways

  • Chinese companies CATL and BYD have dominated the sodium-ion battery market share, accounting for over 50% of the world's EV battery market as of 2025.
  • Despite the significant progress, the development of sodium-ion batteries has been compressed into a relatively short period, with notable achievements from January to September 2025.
  • The rapid advancement in this field is notable, especially given its relative slow pace compared to other clean energy technologies.
5

Data Centers and the Grid: Key Insights from POWER’s Inaugural Data Center POWER eXchange Summit

Summary

The article discusses the insights from POWER's inaugural Data Center POWER eXchange Summit, which explored the growing demand for electricity by data centers and its impact on grid constraints. The summit highlighted the challenges posed by the rapid growth of artificial intelligence and other data-intensive applications. The event aimed to bring together industry experts to examine the intersection of accelerating data center loads and tightening grid constraints.
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Key Takeaways

  • The rise of artificial intelligence is expected to create a significant surge in electricity demand, posing challenges for the grid.
  • Data centers are already experiencing tightening grid constraints due to their growing energy requirements.
  • The summit provided a platform for industry experts to discuss potential solutions to address these challenges and ensure a stable power supply for data centers.
6

Emerson Addresses Power Industry’s AI-Driven Demand Surge

Summary

The power industry is experiencing a surge in demand growth driven by data centers and artificial intelligence (AI) applications, creating both opportunities and challenges for utilities and equipment manufacturers. Emerson's Power business is addressing this trend through innovative solutions, including AI-driven digital twins for simulation and optimization. As the demand grows, Emerson aims to support the power industry's transformation.
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Key Takeaways

  • The power industry is experiencing a surge in demand growth driven by data centers and AI applications, which presents both opportunities and challenges.
  • Emerson's Power business is leveraging AI-driven technologies, such as digital twins, to simulate and optimize power systems, supporting the industry's transformation.
  • The growing demand for power driven by data centers and AI applications will likely require utilities and equipment manufacturers to invest in innovative solutions to maintain efficiency and reliability.
7

You probably won’t believe which country leads the world in e-bike battery safety

Summary

The article reports that China is leading the world in e-bike battery safety with the implementation of strong and comprehensive lithium-ion safety rules, which recently went into effect. This may surprise many Americans who might not associate China with e-bike safety regulations. The new rules aim to improve battery safety for electric bikes.
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Key Takeaways

  • China has implemented a set of strong and comprehensive lithium-ion safety rules for e-bike batteries.
  • These rules have recently gone into effect, indicating a focus on improving battery safety in the country.
  • The implementation of these safety standards may be seen as surprising by many Americans who might not associate China with e-bike safety regulations.

Technical papers from ArXiv - for readers interested in academic research

1

Scalable Physics-Informed Neural Networks for Accelerating Electromagnetic Transient Stability Assessment

Summary

The article proposes a novel framework for accelerating Electromagnetic Transient (EMT) simulations in power systems by replacing computationally expensive components with Physics-Informed Neural Networks (PINNs). The proposed PINN formulation enables a modular and scalable integration into the simulation algorithm, leading to significant speedups. The authors demonstrate a 4-6x simulation speedup using a type-4 wind turbine EMT model.
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Key Takeaways

  • The article identifies the most computationally expensive components of EMT simulations and proposes replacing them with fast and accurate PINNs to accelerate the simulation process.
  • The proposed novel PINN formulation enables a modular and scalable integration into the simulation algorithm, making it suitable for various power system applications.
  • The authors achieve a significant speedup in EMT simulations (4-6x) by capturing complex phenomena such as Phase-Locked Loop behavior with PINNs.
2

The Battle of the Water Futures

Summary

The "Battle of the Water Networks" competition will take place at WDSA/CCWI 2026, where participants will design and operate a water distribution system under deep uncertainty with staged interventions. The challenge incorporates policymaking, artificial intelligence, and an open-source evaluation framework to assess solutions. This competition aims to address the complexities of designing next-generation urban water systems.
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Key Takeaways

  • The competition features a staged-design approach, unobservable and unknown uncertainties, and incorporates elements of policymaking and artificial intelligence.
  • The solutions will be assessed using a transparent and inspectable open-source evaluation framework, emphasizing transparency and accountability.
  • The "Battle of the Water Networks" competition is part of the broader theme of WDSA/CCWI 2026, focusing on designing the next generation of urban water systems with a long-term horizon.
3

Dynamic Power Allocation For NOMA-Based Transmission in 6G Optical Wireless Networks

Summary

This article proposes a dynamic power allocation method for NOMA-based transmission in 6G optical wireless networks. The proposed method uses a combination of RF-aided grouping and dynamic power allocation to maximize the sum rate, fairness, and energy efficiency of the network. The results show that the proposed method converges to the optimum solution and outperforms existing schemes.
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Key Takeaways

  • The article proposes a novel dynamic application for NOMA-based transmission in 6G optical wireless networks using RF-aided grouping and dynamic power allocation.
  • The proposed method aims to maximize sum rate, fairness, and energy efficiency by forming groups of users based on distance-based weight edges and allocating optimal power to each group.
  • The results demonstrate the convergence of the proposed method to the optimum solution and its superior performance compared to existing schemes.
4

Open-source implementation of distribution network reconfiguration methods: Analysis and comparison

Summary

The article presents a comprehensive analysis of distribution network reconfiguration methods, tracing their development from classic heuristic algorithms to contemporary state-of-the-art techniques. The authors review seven methodologies and assess their strengths and limitations through extensive literature review and empirical testing. An open-source repository containing documented implementations of the reviewed algorithms is also provided.
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Key Takeaways

  • The article provides a systematic analysis of various distribution network reconfiguration methods, including classical heuristic algorithms, advanced meta-heuristic methodologies, and purely mathematical approaches.
  • The comparative analysis reveals the strengths and limitations of each approach under different network conditions and operational constraints, providing valuable insights for researchers and practitioners.
  • An open-source repository is made available, offering comprehensive documentation, test cases, and performance benchmarks to facilitate accessibility and reproducible research in the field.