Shaping the Policy Conversation
As electricity demand continues to grow and the challenges associated with expanding transmission infrastructure become increasingly complex, independent research is playing an essential role in shaping the policies and investment decisions that will determine the future of the electric grid. Policymakers, regulators, utilities, and technology providers are confronting difficult questions about how to increase transmission capacity, improve reliability, reduce congestion, and manage costs while accommodating substantial changes in electricity generation and consumption. Answering these questions requires more than identifying technical solutions. It requires credible analysis, objective comparisons, and a willingness to reconsider traditional approaches to transmission planning and infrastructure development.
Over the past several years, a growing body of research from academic institutions, independent research organizations, industry associations, and engineering consultants has helped broaden the transmission policy conversation. Organizations including the Rocky Mountain Institute (RMI), the University of California, Berkeley, GridLab, Grid Strategies, WIRES, and others have contributed valuable perspectives on the economic and technical opportunities associated with grid modernization. Their work has helped demonstrate that expanding the electric grid is not simply a matter of constructing additional transmission lines. It also involves improving the performance of existing infrastructure, adopting more comprehensive planning methodologies, and recognizing the long-term economic benefits of technologies that can increase capacity while improving efficiency.
Research That Is Changing the Conversation
One particularly influential contribution came from researchers associated with the University of California, Berkeley, and GridLab, whose 2024 study, Reconductoring with Advanced Conductors Can Accelerate the Rapid Transmission Expansion Required for a Clean Grid, examined the potential benefits of replacing conventional transmission conductors with advanced alternatives. The research demonstrated that advanced reconductoring could substantially increase transmission capacity within existing rights-of-way, often at lower cost and with shorter development timelines than constructing entirely new transmission corridors. Importantly, the study helped bring greater attention to an engineering solution that utilities had already been deploying successfully for many years.
The significance of this research extends beyond its individual findings. By evaluating advanced reconductoring within a broader transmission planning framework, the authors helped policymakers, utilities, and other stakeholders better understand the scale of the opportunity. Technologies that had previously been considered primarily as solutions for individual capacity constraints could now be evaluated as part of a more comprehensive strategy for expanding grid capability. This distinction is important because transmission policy increasingly influences which technologies are considered, how their benefits are measured, and whether utilities have sufficient incentives to pursue alternatives to traditional infrastructure expansion.
Grid Strategies has also made important contributions to understanding the relationship between electricity demand growth, transmission constraints, and infrastructure investment. Its research has helped bring attention to changing demand forecasts, regional transmission needs, and the importance of accelerating grid modernization. More recently, work involving EPE and Grid Strategies has examined the development and implementation of transmission benefit evaluation methodologies associated with FERC Order No. 1920. These efforts are particularly relevant because identifying the need for additional transmission infrastructure is only part of the challenge. Establishing credible and consistent methods for evaluating proposed investments is equally important.
RMI has contributed valuable analysis examining grid modernization, transmission planning, and the opportunities associated with advanced technologies. Its work, together with contributions from other independent organizations, helps broaden the discussion beyond individual projects and technologies to consider how planning practices, regulatory frameworks, and investment decisions can better support an increasingly complex electricity system. These perspectives are essential because even well-established engineering solutions can face significant obstacles when traditional planning processes do not fully recognize their benefits.
WIRES, the international trade association representing the interests of the transmission industry, has likewise played an important role in advancing policy discussions and supporting research on transmission infrastructure needs. Its engagement with policymakers, regulators, and other stakeholders helps connect technical and economic analysis with the practical challenges of planning, financing, and developing transmission projects. The continued involvement of organizations such as WIRES reinforces the importance of collaboration across the industry.
Building on the Research
While these studies and initiatives have significantly advanced the conversation, they also highlight opportunities for further investigation. Much of the research surrounding advanced reconductoring understandably focuses on increasing transmission capacity, reducing construction costs, accelerating project completion, and avoiding the difficulties associated with developing new rights-of-way. These benefits are substantial and deserve continued attention. However, conductor selection can also influence electrical losses, operating temperatures, mechanical performance, maintenance requirements, and the long-term economics of transmission infrastructure.
For example, two conductor technologies may offer similar increases in thermal capacity while exhibiting substantially different electrical resistance, thermal expansion, and mechanical characteristics. These differences can affect energy losses, conductor sag, structure loading, and long-term operating costs. Evaluating advanced reconductoring primarily on the basis of increased ampacity or initial construction cost may therefore overlook additional benefits that accumulate over decades of operation.
Electrical efficiency is particularly important because resistive losses increase with the square of the current flowing through a conductor. As transmission circuits carry greater loads, the economic value of reducing electrical resistance can become increasingly significant. Over the operating life of a transmission asset, improvements in conductor efficiency can reduce the amount of electricity that must be generated to satisfy customer demand, creating cumulative savings that may extend well beyond the initial investment decision.
Future research could provide additional value by incorporating more detailed comparisons of conductor technologies, realistic loading profiles, temperature-dependent resistance, installation requirements, and lifecycle operating costs. Independent evaluations of field performance, durability, and installation verification methods could further strengthen the information available to utilities and regulators. These considerations would not diminish the importance of existing research. Rather, they would build upon its findings and help translate broader policy recommendations into more informed engineering and procurement decisions.
Connecting Independent Research with Field Experience
At CTC Global, we recognize the importance of independent research and the contributions of organizations working to improve transmission planning and policy. Since the introduction of ACCC® Conductor in 2005, we have worked with utilities, research institutions, testing laboratories, standards organizations, and industry partners to develop, evaluate, and deploy advanced conductor technology. The experience gained through more than 1,600 projects across approximately 70 countries provides a substantial body of practical knowledge concerning transmission capacity, electrical efficiency, mechanical performance, installation practices, and long-term reliability.
This experience can complement independent research by providing real-world examples of how advanced conductor technologies perform under a wide range of operating conditions. Projects involving existing transmission corridors, challenging environmental conditions, and demanding capacity requirements offer opportunities to compare analytical assumptions with actual engineering results. The continued development of technologies such as the ACCC InfoCore® System, which supports verification of conductor core integrity during installation, also illustrates how advances in quality assurance can contribute to greater confidence in infrastructure investments.
Importantly, the objective should not be to promote one technology through research, but to ensure that policymakers and utilities have access to reliable information that allows them to make informed comparisons. Independent analysis is most valuable when it considers meaningful technical differences, acknowledges practical limitations, and evaluates performance using transparent assumptions and consistent methodologies. Technology providers can support this process by sharing credible data, participating in standards development, and encouraging objective evaluation of competing solutions.
As federal and state policymakers continue developing programs to accelerate transmission modernization, the relationship between research and implementation will become increasingly important. Initiatives such as the U.S. Department of Energy’s SPARK program demonstrate how broader recognition of advanced reconductoring and other grid-enhancing technologies can translate into tangible infrastructure investments. Continued collaboration among researchers, policymakers, utilities, and technology developers can help ensure that these investments deliver the greatest possible benefits.
The transmission challenges facing the United States and other countries are too significant to be addressed through conventional thinking alone. Fortunately, the growing body of independent research provides an increasingly strong foundation for understanding the opportunities available. By continuing to expand this knowledge, improving the methods used to evaluate infrastructure investments, and incorporating lessons learned from actual field experience, we can help ensure that transmission policy reflects both sound economic principles and proven engineering capabilities.
At CTC Global, we commend the researchers, institutions, and industry organizations contributing to this important work. Their efforts are helping move the conversation beyond identifying transmission challenges toward understanding how we can address them more effectively. The next opportunity is to build upon that research, recognize the full range of benefits available from advanced technologies, and turn better information into better infrastructure decisions.
