IEEE 2797-2024
IEEE Guide for Forecast and Early Warning of Icing on Overhead Transmission Lines in Microtopographic Areas
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- Language: English
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About This Item
IEEE 2797-2024 is a technical guide for forecast and early warning of icing on overhead transmission lines in microtopographic areas. It addresses a focused problem in power and energy systems where local terrain can influence ice formation, loading, and operational risk. By linking geoscience considerations with transmission-line planning and monitoring, the standard helps support more informed decisions for utilities and engineers working to reduce weather-related disruption and improve system preparedness.
Overview of IEEE 2797-2024
This standard provides guidance for anticipating icing conditions that affect overhead transmission lines in small-scale terrain features, where local elevation changes and exposure can alter icing behavior. IEEE 2797-2024 is relevant to the intersection of power infrastructure and geoscience because it focuses on forecasting and early warning rather than general line construction. In practice, it may be used to support assessment methods, monitoring approaches, and decision-making processes aimed at identifying icing risk before outages or damage occur.
Typical use cases
IEEE 2797-2024 is typically relevant for transmission system operators, utility planning teams, and engineers responsible for line performance in cold-weather regions with uneven terrain. It may support site-specific icing forecasts, early warning workflows, and operational response planning for overhead lines exposed to microtopographic effects. The guide can also be useful when evaluating monitoring equipment, weather data integration, or risk-management procedures for corridors where icing may develop unevenly across spans and locations.
Why it matters
Forecasting icing on overhead transmission lines is important because even localized ice accumulation can affect mechanical loading, reliability, and safety. IEEE 2797-2024 helps establish a more consistent technical basis for evaluating risk in areas where terrain-driven differences can change line exposure. For organizations involved in procurement, design review, or operations, the guide can support clearer expectations, better coordination, and more defensible engineering decisions when managing weather-related threats to power delivery.
- Forecasting icing risk in microtopographic terrain
- Early warning for overhead transmission lines
- Utility operations and outage preparedness
- Geoscience-informed risk assessment
- Power system reliability support
- Publication Date: 2025
- Standard Status: Active
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Geoscience
- Official IEEE: Doi link
- This Version: 2797 (2025)
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