Energy Digest

Daily Summaries & Key Takeaways of Power & Energy Updates
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Last Updated: November 19, 2025 at 08:10 PM
10
News & Articles
3
Research Papers
1

Vertiv, Caterpillar Collaborate to Expand Power and Cooling Offerings for Data Centers

Summary

Vertiv and Caterpillar have collaborated to expand their power and cooling offerings for data centers, integrating Vertiv's power distribution and cooling portfolio with Caterpillar's power generation and combined cooling, heat, and power (CCHP) capabilities. This partnership aims to simplify deployment, accelerate time-to-power, and optimize performance for data center operations. The initiative will deliver pre-designed architectures that cater to the evolving needs of data centers.
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Key Takeaways

  • Vertiv and Caterpillar are collaborating to integrate their power distribution and cooling portfolio with Caterpillar's power generation and CCHP capabilities.
  • The partnership aims to simplify deployment, accelerate time-to-power, and optimize performance for data center operations.
  • The integrated solutions will deliver pre-designed architectures that cater to the evolving needs of data centers.
2

Transmission Lines Will Determine America’s Power Future

Summary

The article discusses how a surge in electricity demand due to the convergence of electric vehicles, data centers, technological advancements, and population growth is forcing utilities to reassess their grid infrastructure. This shift marks an end to the steady, gradual growth period that allowed for modest upgrades over the past few decades. As a result, transmission lines will play a crucial role in determining America's power future.
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Key Takeaways

  • The convergence of electric vehicles, data centers, and technological advancements is driving an unprecedented surge in electricity demand.
  • Population growth and shifting demographics are also contributing to increased electricity demand, making it essential for utilities to adapt their grid infrastructure.
  • Transmission lines will be critical in meeting this growing demand, as they will need to be upgraded or expanded to support the increased power needs of a rapidly changing energy landscape.
3

US non-lithium energy storage startups ESS Inc, Eos foresee policy and load growth tailwinds ahead

Summary

US non-lithium energy storage startups ESS Inc and Eos are optimistic about their prospects due to growing policy support and increasing load growth, which they believe will drive their commercialization strategies. The companies' quarterly financial results highlight their focus on expanding their business models and improving their efficiency. As the demand for renewable energy sources continues to rise, these startups are well-positioned to capitalize on the trend.
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Key Takeaways

  • ESS Inc and Eos anticipate a boost in sales due to growing policy support for non-lithium energy storage solutions, which is expected to increase load growth.
  • The companies' commercialization strategies focus on expanding their business models and improving efficiency, indicating a commitment to scalability and cost-effectiveness.
  • As the renewable energy sector continues to expand, these startups are poised to benefit from increasing demand for energy storage solutions, particularly those that do not rely on lithium batteries.
4

Sunrun: 70% battery storage attachment rates minimised US solar leaser’s losses in Q3 2025

Summary

Sunrun, a US residential solar and energy storage installer, has reported revenue of $724.6 million in Q3 2025, with a significant increase due to its "storage-first strategy". The company's battery storage attachment rates have been impressive at 70%, minimizing losses for the company. This achievement suggests that Sunrun is effectively leveraging its energy storage solutions to enhance customer experiences.
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Key Takeaways

  • Sunrun has achieved an impressive 70% battery storage attachment rate, which suggests high demand for its energy storage solutions among customers.
  • The company's "storage-first strategy" appears to be paying off, with revenue increasing by a significant margin in Q3 2025 compared to previous periods.
  • This achievement highlights the importance of integrating energy storage into solar installations, as it enables customers to better manage their energy usage and reduce their reliance on the grid.
5

How US battery startup Alsym Energy’s sodium-ion systems aim to go where LFP cannot

Summary

Alsym Energy, a US-based battery startup, is developing sodium-ion systems that aim to overcome the limitations of lithium iron phosphate (LFP) batteries. According to Mukesh Chatter, CEO of Alsym Energy, their sodium-ion systems have potential advantages over LFP batteries. However, specific details about these advantages are not provided in the article.
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Key Takeaways

  • Alsym Energy is developing a new type of battery system called sodium-ion, which may offer improvements over traditional lithium iron phosphate (LFP) batteries.
  • The company's CEO mentions that their sodium-ion systems aim to overcome some limitations of LFP batteries, but specific details about these advantages are not provided in the article.
  • There is no mention of Alsym Energy's technology being comparable to or surpassing other established battery technologies, such as lithium-nickel-manganese-cobalt-oxide (NMC) or lithium-titanate-oxides.
6

Ireland ‘enters new era’ with battery storage units participating in wholesale market for first time

Summary

The article reports that Ireland has introduced new wholesale electricity market rules, enabling battery storage units to participate directly for the first time. This development marks a significant shift in the country's energy landscape, as it allows battery storage assets to play a more prominent role in managing electricity supply and demand. The introduction of these rules is seen as a step towards creating a more dynamic and efficient energy market.
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Key Takeaways

  • Battery storage units are now participating directly in Ireland's wholesale electricity market for the first time, marking a significant milestone in the country's transition to renewable energy.
  • The new rules aim to create a more dynamic and efficient energy market by allowing battery storage assets to manage electricity supply and demand in real-time.
  • This development is seen as a major step forward for Ireland's energy sector, enabling it to better integrate intermittent renewable energy sources like wind and solar power into the grid.
7

Research Group: U.S. Exits Coal by 2040 as Solar, Nuclear, Natural Gas Surge

Summary

A research group predicts that the US power generation capacity will shift away from coal by 2040, with solar power leading in the short term, natural gas taking over in the mid-term, and nuclear power emerging as a long-term leader. This transition is expected to occur due to the retirement of existing coal-fired units. The report suggests that these changes will be driven by advances in technology and increasing demand for cleaner energy sources.
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Key Takeaways

  • The US power generation capacity is expected to be led by solar power in the short term, with solar energy expected to surpass coal as a leading source of electricity generation.
  • Natural gas will take over as the primary source of power generation in the mid-term, although the exact timeline may vary depending on various factors such as technological advancements and market demand.
  • Nuclear power is predicted to emerge as a long-term leader in the US power generation capacity, driven by ongoing improvements in nuclear technology and safety measures.
8

Navee Black Friday Sale takes up to 41% off e-scooters at lows from $315, Heybike Hauler dual-battery cargo e-bike at new $1,099 low, more

Summary

The article reports on several power and energy-related deals for Black Friday, including discounts on e-scooters from Navee and Heybike. The Navee flagship ST3 Pro Electric Scooter is available at its lowest price yet, with a discount of up to 41% off its original price. Other deals include a discounted Heybike Dual-Battery Hauler Cargo e-bike and an EcoFlow early Black Friday flash sale.
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Key Takeaways

  • Navee's flagship ST3 Pro Electric Scooter is available at a new low of $660, offering up to 41% off its original price.
  • Heybike's Dual-Battery Hauler Cargo e-bike is discounted to $1,099 with free gear and a reduced price compared to the original Black Friday sale.
  • EcoFlow is offering an early Black Friday flash sale with new discounts on various products, including the Delta Pro bundle.
  • Several hangover deals from previous sales are also available, including Bluetti's Elite 400 power station launch deal.
9

How AI is powering a new era in utility-scale solar forecasting

Summary

The article discusses how AI is revolutionizing the field of utility-scale solar forecasting, with a focus on its potential impact in the US solar market. The utility-scale sector has seen significant growth, accounting for 70% of new solar capacity added in 2023. AI-powered systems are being used to improve forecasting accuracy, enabling more efficient energy management and integration into the grid.
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Key Takeaways

  • The utility-scale sector dominates the US solar market, with 70% of new solar capacity added in 2023.
  • AI is playing a crucial role in improving the accuracy and efficiency of utility-scale solar forecasting, which has implications for energy management and grid integration.
  • The article mentions that the International Energy Agency has determined that utility-scale solar is becoming an increasingly important source of renewable energy globally.
10

Consumers Energy to invest more than $13B in renewables, distribution by 2029

Summary

Consumers Energy plans to invest over $13 billion in renewable energy sources by 2029, with the goal of improving its distribution system. The company aims to reduce its reliance on coal and transition to cleaner energy sources. The investment will help spread costs across the region.
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Key Takeaways

  • Consumers Energy is investing over $13 billion in renewable energy sources by 2029.
  • The company plans to reduce its reliance on coal and transition to cleaner energy sources, with a focus on improving its distribution system.
  • The investment aims to mitigate the impact of a potential emergency order from the US Department of Energy that would require keeping a coal plant online.

Technical papers from ArXiv - for readers interested in academic research

1

Agentic AI Systems in Electrical Power Systems Engineering: Current State-of-the-Art and Challenges

Summary

The article discusses the emerging field of agentic AI systems in electrical power systems engineering, highlighting their transformative capabilities and the need for a clear conceptual understanding to differentiate them from traditional AI paradigms. The paper presents four state-of-the-art use cases in electrical engineering that demonstrate practical impact and provides actionable recommendations for designing and implementing safe and reliable agentic AI systems. By establishing a precise definition and taxonomy, the authors aim to provide a critical resource for researchers and practitioners.
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Key Takeaways

  • Agentic AI systems offer capabilities extending beyond traditional AI agents and generative AI models, necessitating a clear conceptual understanding to differentiate them from previous AI paradigms.
  • The paper presents four state-of-the-art use cases in electrical engineering that demonstrate practical impact, including applications in power system studies, battery swapping stations, and survival analysis of dynamic pricing strategies.
  • The authors provide actionable recommendations for designing and implementing safe, reliable, and accountable agentic AI systems, offering a critical resource for researchers and practitioners.
2

Towards AC Feasibility of DCOPF Dispatch

Summary

The article discusses the development of a unified pipeline to recover AC feasible solutions from DC Optimal Power Flow (DCOPF) based dispatches. The pipeline uses four DCOPF variants and applies two different methods for recovering AC feasibility, with promising results in reducing errors and constraint violations compared to conventional single slack bus methods.
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Key Takeaways

  • The article presents a unified pipeline for recovering AC feasible solutions from DCOPF-based dispatches, which is essential due to the inherent losslessness of DCOPF models.
  • The pipeline achieves significant improvements in reducing errors (by 75%) and constraint violations (by a factor of 3-5) compared to conventional single slack bus methods under various test cases.
  • The use of distributed slack allocation and PV/PQ switching in the pipeline demonstrates its effectiveness in recovering AC feasibility, with promising results across over 10,000 dispatch scenarios.
3

Entirely Transformerless Universal Direct-Injection Power-Flow Controller

Summary

The article presents a novel transformerless universal direct-injection power-flow controller, which addresses the challenges of managing power flow in low-voltage grids with increasing renewable energy penetration and electric vehicle chargers. The circuit combines silicon and silicon-carbide materials to achieve high-current full-power-flow control without the need for transformers or large magnetics. It also requires fewer semiconductors than previous solutions.
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Key Takeaways

  • The proposed power-flow controller is transformerless, which reduces costs and size compared to traditional solutions.
  • The circuit combines silicon and silicon-carbide materials to achieve high-current direct injection with specific advantages for each material.
  • The design links a shunt converter through an inverter bidirectionally with low-voltage series modules that can practically float with their respective phases, enabling flexible operation between different feeders in low-voltage power grids.