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Software Licensing Opportunity: GLASS Software for Real-Time Optimization of Power Transmission Capacity
Contact and place of performance
Javier Martinez
Idaho Falls, ID 83401
USA
GLASS Software for Real-Time Optimization of Power Transmission Capacity Dynamic line rating software that enables utilities to safely increase transmission capacity without costly hardware expansion. Technology Summary The General Line Ampacity State Solver (GLASS), developed by Idaho National Laboratory (INL), is a high-performance software platform designed to calculate the real-time current-carrying capacity of o...
View moreProblem Addressed
Transmission bottlenecks: Utilities face congestion and efficiency losses due to static line ratings that underestimate real capacity.
High costs of monitoring: Installing weather stations or hardware sensors along every line span is prohibitively expensive.
Integration challenges: Many dynamic line rating (DLR) solutions require proprietary hardware or external portals, complicating adoption.
Solution
GLASS provides a software-only, plug-and-play solution that:
Uses limited real-world weather and current data inputs.
Applies precomputed CFD models to extend accuracy across unmonitored spans.
Calculates real-time and forecasted ampacity values to maximize grid utilization.
Outputs standardized text files easily integrated with existing utility systems.
Key Advantages
Higher capacity utilization: Can enable line ratings up to 40% above conservative static limits.
Lower infrastructure costs: Reduces need for dense weather station deployment.
Seamless integration: Simple, agnostic input/output formats support adoption without system overhauls.
Proven reliability: Validated through years of testing and alignment with IEEE and CIGRE standards.
Flexible deployment: Works with any utility-grade data historian or enterprise system.
Market Applications
Electric utilities: Enhance grid flexibility, reduce congestion losses, and safely integrate renewable energy.
Grid operators: Improve real-time situational awareness and operational decision-making.
Software vendors: Incorporate GLASS as a dynamic line rating module within existing platforms (e.g., OSIsoft PI).
Renewable integration: Support greater use of wind energy by capturing wind cooling effects on lines.
The Department of Energy, through the Battelle Energy Alliance–DOE CNTR, is offering a software licensing opportunity for the General Line Ampacity State Solver (GLASS). Developed at the Idaho National Laboratory in Idaho Falls, ID, GLASS is a high-performance software platform designed to calculate the real-time current-carrying capacity of overhead power transmission lines. The technology utilizes computational fluid dynamics modeling to integrate weather and line current data, allowing utilities to determine accurate thermal states across transmission networks without the need for dense sensor hardware or extensive weather station deployment. This software-only solution provides steady-state ampacity, transient temperature, and transient ampacity calculations validated against IEEE and CIGRE industry standards.
The licensing of GLASS aims to address transmission bottlenecks and grid congestion by replacing conservative static line ratings with dynamic data, which can increase capacity utilization by up to 40 percent. The system is designed for seamless integration, outputting standardized text files compatible with various utility enterprise systems and data historians. Primary market applications include electric utilities seeking to integrate renewable energy, grid operators improving situational awareness, and software vendors looking to incorporate dynamic line rating modules into existing platforms.
This special notice, identified by solicitation number CW-19-22, is categorized under NAICS code 221118 for Other Electric Power Generation and PSC DA10 for IT and Telecom - Business Application/Application Development Software as a Service. Responses regarding this opportunity must be submitted by the deadline of March 10, 2026. Javier Martinez serves as the primary point of contact for this notice, which contains no accompanying attachments.
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