Current news at FirstEnergy for the Maryland Energy Choice Program:

Effective January 2022, due to the availability of alternate tools for accessing interval data such as the Single User Multiple Request (SUMR) portal and a System to System Historical Interval Usage (StS HIU) platform, the interval files will no longer be published. If you have questions about access to these alternate tools, please contact FirstEnergy’s Supplier Services department using the link below.  Additionally, if there are interval data needs outside of what is provided via Electronic Data Interchange (EDI), SUMR or StS, you can also send a request to the link provided as well.  Please note, Letter of Authorization requirements and charges for requests made via the Contact Us form may apply. contact Supplier Services


This section of the website will provide information to registered suppliers or those interested in participating in the Maryland Energy Choice market for Potomac Edison.

For information regarding the Maryland RM54 Accelerated Switch, please refer to our Maryland Accelerated Switch document or the update document. 


Please choose from one of the links below to explore further.