Power
PJM declares US grid emergency over demand
PJM Interconnection declared a temporary power grid emergency across 13 states due to unseasonably warm weather and maintenance outages.
Key points
- PJM declared a grid emergency affecting states including Pennsylvania, Maryland and West Virginia.
- The US Department of Energy authorised temporary regulatory exemptions to maintain reliability.
- The emergency measures are scheduled to remain in effect through Friday.
What happened
PJM Interconnection declared a power grid emergency across its 13-state service area, which includes Pennsylvania, Maryland and West Virginia, according to Tri-State Alert reporting. The declaration came in response to unseasonably warm weather that threatened to drive up electricity demand while several major power plants were offline for scheduled maintenance.
In response to the anticipated strain, the U.S. Department of Energy issued an emergency order taking effect October 13 and expiring October 16. The directive permits PJM to operate under temporary regulatory exemptions, including exceeding normal pollution limits at specific power plants, and directs the use of designated generating units as a last resort.
Why it matters
The situation underscores ongoing challenges regarding regional grid reliability when consumption spikes coincide with reduced generating capacity during routine maintenance periods.
Attorney Clint Barkdoll noted in the reporting that the operational alerts and emergency measures highlight vulnerabilities in maintaining sufficient electricity supplies during unexpected weather conditions.
What comes next
The temporary emergency measures and operational alerts are scheduled to remain in effect through Friday, October 16. While the alerts do not automatically indicate that consumers will face power outages, grid operators continue to monitor reserves closely as the region navigates the period of heightened demand.
Original reporting
This article draws on the following reports. Read them in full on the publishers’ sites.
Context from CEII
Grids decide whether generation becomes power that homes and businesses can rely on. Generation mix, transmission and distribution losses, and tariffs together shape reliability and the case for investment.
91.9% of people worldwide had electricity in 2024Countries in this story
Written by the CEII Desk, the Centre’s automated newsroom, from the reporting credited above and CEII’s own data. Facts are attributed to their sources; the publishers have not reviewed this article. Spotted an error? Tell our editors.
