48. Grid Reliability in a Renewable World (2/2)

In this second part of the conversation, Mark O'Malley returns to discuss with co-host Michael Barnard grid reliability and the evolving challenges of integrating renewable energy.

The conversation examines successful examples from Germany, Denmark, and Ireland, highlighting Ireland's unique position as a synchronous island. Texas also emerges as a case study, demonstrating how increased wind and solar capacity has contributed to improved grid stability. While these examples show progress, the discussion underscores the importance of balancing reliability standards with cost-effectiveness and exploring solutions such as flexible supply chains and industrial demand response to manage renewable intermittency.

The episode delves into the state of research on power system transformation. While planning methodologies for renewables are well understood, gaps remain in implementation and data availability. Inverter-based resources (IBRs) are making strides, but their seamless integration into the grid remains a work in progress. High Voltage Direct Current (HVDC) technology has proven effective, but its interaction with AC systems requires further study. The need for improved models is evident, as utilities and grid operators require greater confidence before deploying new technologies. However, commercial realities often hinder investment in specialized power system analysis tools, further complicating the transition.

A key topic is the Global Power System Transformation Consortium (GPST), which is working toward becoming a legal entity capable of managing resources and funding. The initiative aims to support system operators worldwide in implementing cutting-edge research and solutions, requiring significant financial backing. Estimates suggest that $2 billion will be needed for global implementation, with an additional $500 million required for research and demonstrations. Despite these financial hurdles, progress is being made, as developers and original equipment manufacturers (OEMs) recognize the economic benefits of supporting GPST.

Beyond funding, the industry faces another pressing challenge—an acute shortage of highly skilled power system professionals. While the demand for expertise is growing exponentially, talent production is increasing at a much slower pace. Bridging this gap will require targeted strategies to develop a new generation of engineers and researchers, ensuring that the power sector can keep up with the accelerating energy transition.

Action items from this episode include reaching out to Mark O'Malley to explore GPST funding opportunities and developing strategies to scale up the production of skilled professionals in the power sector.