Energy Digest

Daily Summaries & Key Takeaways of Power & Energy Updates
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Last Updated: December 02, 2025 at 06:00 PM
21
News & Articles
1
Research Papers
1

Malaysia’s 4 GW/5.12 GWh solar-plus-storage complex gets World Bank funding

Summary

Malaysia is receiving funding from the World Bank for a $6 billion renewable energy project, which includes a 4 GW/5.12 GWh solar-plus-storage complex in the Southern Johor Renewable Energy Corridor (SJREC) zone. The project aims to connect South East Asia through a hybrid solar and battery energy storage system zone, with plans to facilitate cross-border electricity trade between Malaysia and Singapore. This initiative is part of several regional and national renewable energy policies.
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Key Takeaways

  • The Southern Johor Renewable Energy Corridor (SJREC) will be a 2,000 square kilometer hybrid solar and battery energy storage system zone, initially set for 10,000 acres.
  • The project includes up to 4 GW of solar capacity and 5.12 GWh of energy storage capacity in its initial phase.
  • The initiative is part of several regional and national efforts, including the pan-Southeast Asian grid initiative (ASEAN Power Grid) and Malaysia's Johor Renewable Energy Policy 2030.
2

California lawmakers urge CPUC to enforce utility interconnection timelines

Summary

A coalition of 18 California legislators is urging the California Public Utilities Commission (CPUC) to enforce regulations under "Rule 21" regarding the interconnection of customer-sited solar and energy storage systems. The legislators claim that Pacific Gas & Electric (PG&E) and Southern California Edison (SCE) have frequently failed to meet state-mandated timelines, with up to 73% non-compliance over the last five years. This issue centers on "Rule 21," a standardized tariff that establishes the process and deadlines for utilities to approve and activate distributed energy resources.
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Key Takeaways

  • A coalition of California legislators is pushing the CPUC to enforce regulations under "Rule 21" due to frequent failures by PG&E and SCE to meet state-mandated timelines.
  • The issue stems from a standardized tariff that requires utilities to establish processes and deadlines for approving and activating distributed energy resources, with compliance rates as low as 27%-45%.
  • Pacific Gas & Electric (PG&E) and Southern California Edison (SCE) have shown up to 73% non-compliance with Rule 21 timelines over the last five years, citing a need for enforcement action from the CPUC.
3

Puerto Rico advances on its delayed accelerated BESS deployment programme

Summary

Puerto Rico has issued a resolution and order for the Puerto Rico Electric Power Authority (PREPA) to complete its Accelerated Battery Energy Storage Addition Programme (ASAP), marking an advancement in the island's efforts to deploy battery energy storage systems. The initiative aims to improve the grid resilience and stability following Hurricane Maria in 2017. Completion of the ASAP is expected to bring energy security benefits to the island.
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Key Takeaways

  • Puerto Rico has issued a resolution requiring PREPA to complete its Accelerated Battery Energy Storage Addition Programme (ASAP), indicating progress towards deploying battery energy storage systems.
  • The ASAP aims to improve grid resilience and stability, particularly after Hurricane Maria in 2017, which had a significant impact on the island's power infrastructure.
  • Completion of the ASAP is expected to bring energy security benefits to Puerto Rico, enhancing its ability to withstand future natural disasters or grid disruptions.
4

HDRE, Brawn Capital put ‘100% merchant’ BESS into operation in northern Japan

Summary

A 50MW/104MWh battery storage project, operated by Manoa Energy and HD Renewable Energy Japan, has been successfully commissioned in Hokkaido, Japan. The project is classified as a '100% merchant' BESS (Battery Energy Storage System), indicating that it will be sold to the market without a long-term power purchase agreement. This marks a significant milestone for energy storage in northern Japan.
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Key Takeaways

  • The 50MW/104MWh battery storage project is one of the largest BESS deployments in Japan, highlighting growing interest in energy storage technologies.
  • The '100% merchant' classification suggests that the project will be sold to the market without a fixed power purchase agreement, which could enable more flexible and cost-effective use of renewable energy sources.
  • The deployment in Hokkaido underscores the importance of energy storage for stabilizing the grid and ensuring reliable power supply in northern Japan.
5

Optimal solar-plus-storage sizing for heavy industry operation

Summary

Australian researchers developed an energy modeling framework to assess the feasibility of solar-plus-storage systems for heavy industries. The study found that smart grid integration and flexible industrial operations are more effective in reducing electricity costs and enabling 100% renewable energy use than technology cost reductions. The new methodology addresses various factors, including PV intermittency and equipment degradation over time.
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Key Takeaways

  • Smart grid integration and flexible industrial operations are more effective in lowering electricity costs and enabling 100% renewable energy use compared to technology cost reductions.
  • The study's high-resolution energy modeling framework incorporates lifecycle degradation and production intermittency, addressing operational needs under diverse weather conditions.
  • Technology cost reductions alone may not be sufficient for heavy industries to switch to 100% renewable energy, highlighting the importance of other strategies such as grid integration and industrial flexibility.
6

US battery manufacturing ‘could cover domestic BESS demand within a few years’

Summary

The US battery manufacturing industry is expected to shift its dynamics, potentially making Chinese batteries obsolete within a few years, according to a local consultant. This shift could be driven by the growing demand for energy storage systems (BESS) in the country. As a result, domestic manufacturers may be able to cover the entire domestic BESS demand.
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Key Takeaways

  • The US battery manufacturing industry is poised for significant growth and potentially disrupts the global market.
  • A local consultant believes that Chinese batteries will no longer be needed within a few years if domestic manufacturers can meet the country's increasing energy storage demands.
  • The shift in dynamics could lead to increased competition and innovation in the US BESS market, with potential benefits for consumers.
7

Pramac EMS features special modes for C&I battery storage sites

Summary

Pramac's EMS (Energy Management System) is a smart solution for commercial and industrial battery storage sites, offering advanced modes such as "Smart Self-Consumption" and "External Control". These modes enable optimized charging and discharging strategies to minimize costs and reduce grid dependency. The EMS integrates with various devices and forecasts to provide real-time optimization.
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Key Takeaways

  • Pramac's EMS offers two specialized modes: "Smart Self-Consumption", which minimizes residual grid purchase costs by charging the BESS during low-price periods, and "External Control", which enables participation in ancillary service markets.
  • The system combines data from meters, inverters, batteries, controllable loads, PV production, and load consumption forecasts to calculate optimal setpoints for each device.
  • Pramac's EMS is designed with a distributed architecture, ensuring local control and security even without connectivity, while the cloud layer handles optimization, historical analysis, and real-time decision-making.
8

World Bank supports multi-gigawatt cross-border renewable energy project in Malaysia

Summary

The World Bank is investing in a massive 4GW, 5.12GWh solar-plus-storage complex in Malaysia as part of a pan-Southeast Asian power grid initiative. This project aims to increase renewable energy production and reduce dependence on fossil fuels in the region. The investment is expected to support the development of a sustainable and reliable energy system in Southeast Asia.
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Key Takeaways

  • The 4GW, 5.12GWh solar-plus-storage complex in Malaysia is one of the largest renewable energy projects in the country, highlighting the growing importance of clean energy investments in Southeast Asia.
  • The project is part of a larger pan-Southeast Asian power grid initiative, indicating a regional effort to integrate and stabilize the region's energy markets through the use of renewable energy sources.
  • The World Bank's investment in this project suggests a commitment to supporting the transition to a low-carbon economy and promoting sustainable development in Southeast Asia.
9

Fortescue deploys 250MWh BYD battery system in Western Australia

Summary

Fortescue has successfully deployed a 250MWh battery storage system, developed by BYD, at the North Star Junction site in Western Australia. This large-scale energy storage project aims to stabilize the grid and improve renewable energy integration. The deployment marks Fortescue's first major battery storage system.
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Key Takeaways

  • Fortescue has partnered with BYD to deliver a 250MWh battery storage system, marking its first large-scale BESS deployment in Western Australia.
  • The North Star Junction site is likely to play a crucial role in stabilizing the grid and improving the integration of renewable energy sources in the region.
  • This project demonstrates Fortescue's commitment to adopting clean energy technologies and reducing its carbon footprint.
10

Aypa Power to build, own, and operate 1,200MWh South Carolina BESS

Summary

Santee Cooper, a South Carolina public utility company, has applied for a Certificate of Environmental Compatibility and Public Convenience and Necessity to build, own, and operate a 300MW/1,200MWh battery energy storage system (BESS) in the state.
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Key Takeaways

  • Santee Cooper plans to deploy a large-scale battery energy storage system (BESS) with a capacity of 300MW/1,200MWh in South Carolina.
  • The BESS is expected to provide significant energy storage capabilities, which will likely support the grid during periods of high demand or when renewable energy sources are not available.
  • The project's approval would enable Santee Cooper to move forward with the construction and operation of the battery energy storage system.
11

Solar-Hydrogen Microgrid Revolutionizes Energy Security in Ladakh

Summary

A solar-hydrogen microgrid has been successfully implemented in Chushul Ladakh, India's first grid-tied renewable energy setup at a high-altitude border post. The system, built by NTPC and Group Surya with the Indian Army onboard, harnesses 3.7 MW of solar power to produce green hydrogen and deliver clean energy to the site. This innovative solution reduces reliance on diesel fuel and mitigates CO2 emissions.
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Key Takeaways

  • The implementation of a solar-hydrogen microgrid in Chushul Ladakh marks India's first grid-tied renewable energy setup at a high-altitude border post, showcasing the country's commitment to defense renewable energy.
  • The system uses 3.7 MW of solar power to produce green hydrogen and deliver clean energy, reducing reliance on diesel fuel and resulting in significant CO2 emissions savings (approximately 1,500 tons per year).
  • This innovative solution addresses the unique energy challenges posed by remote and high-altitude locations, such as Ladakh, where traditional diesel-powered systems are unreliable and expensive.
12

Ofgem Approves Early Construction Funding Requests for Major Electricity Transmission Projects

Summary

Ofgem has approved early construction funding requests for major electricity transmission projects, which will help achieve the UK government's clean power goals. The streamlined process aims to connect 43-50 GW of offshore wind by 2030, contributing to the country's renewable energy targets. This approval is part of a broader effort to support the growth of renewable energy infrastructure in the UK.
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Key Takeaways

  • Ofgem has established a streamlined process for early construction funding requests, allowing major electricity transmission projects to move forward more quickly.
  • The approved funding will help achieve the UK government's ambitious clean power goals, including connecting 43-50 GW of offshore wind by 2030.
  • This development is part of a larger effort to support the growth of renewable energy infrastructure in the UK and contribute to the country's transition to a low-carbon economy.
13

Xcel Energy Texas and Transource to Expand Transmission with Beckham County - Potter 345 kV Project

Summary

Xcel Energy Texas and Transource have partnered to expand the transmission infrastructure in Beckham County-Potter with a new 345 kV project, which will strengthen the regional grid by connecting Texas and Oklahoma through 128 miles of new transmission lines.
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Key Takeaways

  • The partnership aims to enhance the regional grid stability and reliability by increasing the transmission capacity between Texas and Oklahoma.
  • The expansion is expected to create jobs and stimulate economic growth in the region, particularly in the energy sector.
  • The project will utilize Transource's expertise in transmission infrastructure development and Xcel Energy's knowledge of regional grid operations to ensure a smooth and efficient construction process.
14

Energy Storage Exists, & It’s Coming For Your Fossil Fuels

Summary

The article discusses the growing importance of energy storage in revolutionizing the way we generate and use power, particularly with a focus on concentrating solar power. Energy storage is seen as a game-changer for commercial and industrial applications, potentially displacing fossil fuels as a primary source of energy. This shift could have significant implications for the energy industry.
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Key Takeaways

  • Energy storage is being recognized as a key enabler for widespread adoption of renewable energy sources like concentrating solar power.
  • The article suggests that energy storage can help overcome some of the challenges associated with intermittent renewable energy sources, such as dispatchability and scalability.
  • The rise of energy storage could potentially lead to a decline in the use of fossil fuels, marking a significant shift towards cleaner and more sustainable energy sources.
15

Massive Data Centers May Make Groundwater Pollution Worse

Summary

The article discusses the potential environmental impact of massive data centers on groundwater pollution. Data centers require large amounts of water for cooling, and if this water contains pollutants, it can exacerbate existing pollution problems in nearby groundwater sources. This issue highlights the need for more sustainable and environmentally responsible data center operations.
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Key Takeaways

  • Massive data centers can contaminate groundwater with pollutants from cooling systems, posing a significant environmental risk.
  • The use of large quantities of water for cooling servers can lead to increased pressure on already strained local water resources.
  • Data centers must adopt more sustainable practices, such as using cleaner cooling methods or implementing efficient water management systems, to mitigate the risk of groundwater pollution.
16

Aptera (SEV) shows off assembly line for solar electric ‘car’, updates on battery and testing

Summary

Aptera Motors has released an update on its solar electric vehicle project, showcasing its assembly line for validation vehicles and providing progress updates on battery production and efficiency testing. The company is moving closer to low-volume production of its "car". This update suggests that the company is making significant strides in its technology development.
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Key Takeaways

  • Aptera Motors has established an assembly line for its validation vehicles, indicating a step forward in the manufacturing process.
  • The company is also making progress on battery production and efficiency testing, which are crucial components of its solar electric vehicle design.
  • The update suggests that Aptera is nearing low-volume production, implying that the company's technology is becoming more refined and ready for mass production.
17

Solving PJM’s data center problem

Summary

The article discusses a problem faced by PJM, the grid operator for the Mid-Atlantic region, where it is buying capacity from new data centers. To solve this issue, PJM should stop buying capacity and instead provide data centers with only interruptible service until they bring their own capacity to avoid over-reliance on external power sources.
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Key Takeaways

  • PJM should stop buying capacity for new data centers to prevent over-reliance on external power sources.
  • Data centers can be provided with only interruptible service, forcing them to invest in their own capacity and reducing PJM's exposure to price volatility.
  • This approach aligns with the grid operator's goal of promoting energy efficiency and reducing its reliance on non-essential demand.
18

Virtual Power Plants Thwart Plot Against Renewable Energy

Summary

The article discusses how Virtual Power Plants (VPPs) are outpacing other forms of renewable energy production in adding new capacity to the grid. Despite a shift against wind and solar power by the White House, VPPs have emerged as a key component of the US renewable energy transition. This suggests that distributed energy sources are becoming increasingly important in meeting energy demands.
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Key Takeaways

  • Virtual Power Plants (VPPs) are outpacing other forms of renewable energy production in adding new capacity to the grid.
  • The combination of solar plus storage is a particularly effective form of domestic energy production.
  • Despite opposition from the White House, the US renewable energy transition remains unstoppable.
19

National Grid taps AI to combat rising wildfire risk in the Northeast

Summary

National Grid, a utility company, is partnering with Rhizome to utilize artificial intelligence (AI) tools to identify and prevent potential ignition threats from wildfires in its transmission and distribution networks across Massachusetts, New York, and the UK. This initiative aims to combat rising wildfire risk in the Northeast region. The partnership will leverage AI technology to enhance grid resilience.
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Key Takeaways

  • National Grid is using AI tools to identify and prevent potential ignition threats from wildfires in its transmission and distribution networks.
  • The company is partnering with Rhizome, a grid resilience planning company based in Washington D.C., to implement this technology.
  • This initiative aims to combat rising wildfire risk in the Northeast region of Massachusetts, New York, and the UK.
20

‘Renewable’ no more: The Trump administration renames the National Renewable Energy Laboratory

Summary

The Trump administration has renamed the National Renewable Energy Laboratory to the National Laboratory of the Rockies in Colorado, reflecting a shift in focus from renewable energy to a broader research agenda. This change may indicate a reduction in emphasis on renewable energy and an increase in exploration of other areas of research. The new name does not provide explicit details about the specific changes or goals of the laboratory.
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Key Takeaways

  • The renaming of the National Renewable Energy Laboratory suggests a shift away from a focus solely on renewable energy, potentially indicating a broader scope for the laboratory's research.
  • This change may be part of a larger trend under the Trump administration to rebrand and realign various government agencies and initiatives with a more general or less specific name.
  • The new name, National Laboratory of the Rockies, does not provide information on the current or future areas of research focus, making it unclear what aspects will receive increased attention or resources.
21

New analysis shows more US consumers are falling behind on their utility bills

Summary

The article reports that a new analysis by The Century Foundation and Protect Borrowers has found that past due balances on utility bills in the US have increased by 9.7% to $789, indicating that more consumers are struggling to pay their utility bills.
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Key Takeaways

  • More US consumers are falling behind on their utility bills, leading to a significant increase in past due balances.
  • The rising trend suggests that the economic burden of utility bills is becoming increasingly difficult for many households to manage.
  • This issue highlights the need for support and assistance programs to help low-income households struggling with utility bill payments.

Technical papers from ArXiv - for readers interested in academic research

1

RE-LLM: Integrating Large Language Models into Renewable Energy Systems

Summary

The article proposes the Renewable Energy Large Language Model (RE-LLM), a hybrid framework that integrates Large Language Models into energy system modeling to address the communication gap between technical models and non-expert stakeholders. RE-LLM combines optimization-based scenario exploration, machine learning surrogates, and LLM-powered natural language generation to reduce computational burden and enhance interpretability. This framework aims to bridge the gap between data-driven analysis and actionable decision-making for sustainable energy transitions.
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Key Takeaways

  • The proposed framework RE-LLM integrates Large Language Models into energy system modeling to improve interpretability and accessibility of complex results.
  • By combining optimization-based scenario exploration, machine learning surrogates, and LLM-powered natural language generation, RE-LLM aims to reduce computational burden while enhancing inter-interpretability.
  • The framework is adaptable across different optimization platforms and energy system models, ensuring broad applicability beyond the case study presented.