A supplier shall retire, in a PJM Environmental Information Services, Inc. Generation Attribute Tracking System reserve subaccount where the Subaccount Name is labeled “Green Power” and accessible by the Commission, one renewable energy credit for each megawatt-hour (MWh) of retail sales of electricity marketed to residential customers as “green power” as defined in Public Utilities Article, §7-707, Annotated Code of Maryland. A supplier contract for the sale of electricity that is marketed as renewable, green, or having the characteristics of a Tier 1 renewable source or Tier 2 renewable source shall include the following: The RPS for each year covered by the contract of sale; A statement that Tier 1 renewable source or Tier 2 renewable source RECs retired may be used to meet the supplier's RPS obligation for that particular sale; and A statement that a supplier may meet its RPS obligation by paying a compliance fee to the Fund under Public Utilities Article, §7-705, Annotated Code of Maryland. The statement required by §B(3) of this regulation shall include, if appropriate, the dollar amount of the Tier 1 including solar and geothermal and Tier 2 compliance fee. Report Required. Except as provided in §D(3) of this regulation, on or before April 1 of each year, a supplier shall file with the Commission a report of any activity under §A of this regulation on a form provided by the Commission. The supplier report required under §D(1) of this regulation shall include: Total retail sales of electricity marketed as renewable energy in Maryland by the supplier for the preceding calendar year; and Total RECs associated with sales of renewable energy in Maryland retired by the supplier during the preceding calendar year. On or before April 30 of each year, a supplier shall file with the Commission a report of any activity under §A of this regulation that relates to retail sales of electricity marketed as having characteristics of offshore wind energy on a form provided by the Commission..