Extreme Weather Impacts:
The increasing occurrence of severe and extreme weather events such as hurricanes, extreme cold weather, and heatwaves has the potential to disrupt the BPS and the supply of energy across the SERC footprint.
The growing frequency of these events, driven by climate change, underscores the need for greater resilience in operational planning and infrastructure investments. Preparedness measures, including extreme weather readiness and collaborative restoration efforts, are essential for maintaining grid stability and operational readiness.
Why It Matters
Extreme weather events, including hurricanes, polar vortexes, ice storms and heatwaves, continue to grow in frequency, severity, and unpredictability. These events can cause widespread disruptions to electric infrastructure and operations.
In the SERC region, storm-driven damage can lead to prolonged outages, strained fuel supply chains, delayed restoration timelines and grid instability during peak demand periods.
As such, proactive strategies are essential to reduce impact, ensure continuity of service, and support faster restoration.
What SERC Is Doing
SERC evaluates the impact of extreme weather through seasonal assessments, post-event analyses and engagement with registered entities. SERC works with stakeholders to gather data, assess vulnerabilities and identify infrastructure or operational weaknesses that need to be addressed.
Through workshops and risk briefings, SERC helps prepare the region for weather-related threats by encouraging improvements to:
- System readiness
- Fuel arrangements
- Communications protocols, and
- Grid coordination
What You Can Do
Conduct regular assessments of extreme weather preparedness and implement lessons learned from past events.
Review and update emergency response and restoration plans in coordination with fuel providers and transmission operators.
Participate in seasonal webinars and technical sessions to stay informed on weather-related reliability issues.
Monitor weather outlooks and guidance from regional and national partners to ensure timely preparation and response.
Resource Downloads
Cold Weather Preparedness
Extreme weather is considered one of the top risks to a reliable bulk power system in the SERC Region due to the potential loss of communications, fuel supply, as well as damaged equipment. Therefore, it is critical for registered entities in the Region to have plans and procedures to ensure they are prepared.
Hurricane Preparedness
The SERC Region borders the Atlantic Ocean and the Gulf of America, with 29,000 miles of coastline. Therefore, it is critical for registered entities in the SERC Region to have plans and procedures to ensure they are prepared for Hurricane impacts. Extreme weather is one of the top risks to a reliable bulk power system.
SERC 2025 Summer Assessment
The 2025 SERC Reliability Corporation (SERC) Summer Reliability Assessment Report evaluates the resource and transmission adequacy to meet projected peak demand under various scenarios for the upcoming summer season across the SERC region
SERC 2024 Summer Assessment
SERC’s mission is to assure the effective and efficient reduction of risks to the reliability and security of the bulk power system (BPS).
Reliability Risk Report
The electric grid is essential to modern life, supporting economic activity, societal functions, and technological advancements. The reliability and security of the electric grid is crucial for national security, public health and safety, and community well-being.
What You Can Do
Improve renewable generation forecasts and incorporate them into planning
Collaborate with balancing authorities and system operators on coordination strategies.
Stay involved in SERC’s working groups on variable generation integration.
Resource Downloads
Renewables Integration and New Technologies
Renewables Integration and New Technologies
Based on the 2023-2033 SERC Annual Long-Term Reliability Assessment Report, the existing total internal generation capacity for the SERC Region is 309.6 GW (323.1 GW winter capacity).
2024-2034 Long Term Relilibity Assessment
RM10-11-001 Integration of Variable Energy Resources
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