Contact Us

All Official Filings (excluding customer disputes - see 'File a dispute' below) 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

File a dispute

(410) 767-8000
MD Toll Free: 1-800-492-0474
TTY Users call via Maryland Relay 1-800-201-7165
Directions to the Commission

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
(410) 767-8067

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