Md. Code, Public Utilities § 7-315

(a) (1) In this section, “residential energy retailer” includes:

(i) an electricity supplier that supplies electricity to residential retail electric customers;

(ii) a gas supplier that supplies gas to residential retail gas customers;

(iii) an energy salesperson; and

(iv) an energy vendor.

(2) “Residential energy retailer” does not include:

(i) the Department of General Services when the Department of General Services sells energy under § 7–704.4 of this title;

(ii) a community choice aggregator under § 7–510.3 of this title;

(iii) an electricity supplier when supplying electricity to commercial retail electric customers; or

(iv) a gas supplier that supplies gas to commercial retail gas customers.

(b) The Commission may adopt regulations to:

(1) require a residential energy retailer to post notices and disclosures required under this title on the retailer’s website:

(i) in a prominent location;

(ii) using at least a certain minimum font size; and

(iii) in a format approved by the Commission; and

(2) require or prohibit the use of specific language in a residential energy retailer’s marketing materials, disclaimers, disclosures, and legal documents, including requiring or prohibiting the use of specific language based on service or product type.

(c) The Commission shall require a residential energy retailer to post on the retailer’s website, in clear and unambiguous language:

(1) the terms and conditions of the residential services and products sold by the retailer; and

(2) an environmental disclosure, in a format required by the Commission, for the residential services and products sold by the retailer.