Contact
Mailing Address
All Official Filings (excluding customer disputes) should be addressed to Andrew S. Johnston, Executive Secretary, at the address below:
William Donald Schaefer Tower
6 St. Paul St., 16th Floor
Baltimore, MD 21202
(410) 767-8000
MD Toll Free: 1-800-492-0474
TTY Users call via Maryland Relay 1-800-201-7165
Public Information Act (PIA) Requests
PIA requests should be directed, in writing, to the Commission’s Executive Secretary as follows:
Mr. Andrew S. Johnston, Executive Secretary
Maryland Public Service Commission
6 Saint Paul Street, 16th Floor
Baltimore, MD 21202
Andrew.Johnston@maryland.gov
(410) 767-8067
Attention New Payment Address/Instructions
Please mail all payments to:
Public Service Commission
P.O. Box 58
Baltimore, MD 21203-0058
Include your Fiscal Codes, Invoice Numbers, Citation Numbers, and/or Maillog Numbers with all payments.