Summary:
The North American Electric Reliability Corporation (NERC) recently reported that while regulations and industry efforts have improved readiness for winter, many parts of the electric power system still risk energy shortages in extreme cold. They noted particular concerns about natural gas supply issues, especially outside Texas, where there appears to be limited advancement in winterizing operations.
NERC highlighted that many gas producers have not updated their winter preparedness significantly, which can hinder the supply to power plants during freezing weather. However, the Natural Gas Supply Association (NGSA) refuted this claim, stating they take proactive steps each winter to ensure they can serve customers reliably.
Details:
The report comes in the wake of the tragic Winter Storm Uri in 2021, which caused severe disruptions and led to around 250 deaths in Texas. Following that storm, Texas implemented various measures to enhance system reliability, but NERC pointed out a lack of similar initiatives across the country.
NERC’s assessments reveal that while electric generation standards are generally known, the assurance of a reliable gas supply remains uncertain. The gas industry’s regulatory structure differs, and only larger gas producers are represented by the NGSA, leaving smaller suppliers somewhat unaccounted for.
Despite NGSA’s claims of improving operational reliability, NERC’s report cautioned that mixed regulations across the gas supply chain may complicate the scenario. NGSA stressed the need for collective efforts across the energy sector to bolster reliability.
In their preparations for winter, NGSA members are engaged in thorough self-inspections, aiding customers in exploring different market options, and enhancing resources to reduce weather impacts.
NERC’s report also described specific regional vulnerabilities. For example, coal and gas resources had declined in parts of the Midcontinent, leading to increased risks of supply shortages. Similarly, the New England region faced reduced thermal generation capacity, with rising energy demands exacerbating the situation.
For regions like New York and Saskatchewan, natural gas supply interruptions during cold spells could threaten reserves and lead to operational issues.
NERC concluded its assessment with recommendations to improve resilience, urging power coordinators and authorities to refine their operational plans and keep a close eye on fuel supplies.
Conclusion:
The winter reliability assessment underscores vital challenges facing the energy supply landscape. As we move into the colder months, the interplay between electric and natural gas supplies becomes crucial, emphasizing the need for readiness against potential shortages.

