The roles and functions of the Financial Service Unit of the MEEI in most parts are the same as the accounting unit of any other Government Ministry or Department. However, there are functions that are performed that are unique to this Ministry. The Financial Service Unit:

• Collects and accounts for all revenues for which the MEEI is responsible;
• Processes the payment of expenses relating to the MEEI after ensuring the proper authorization in accordance with the Exchequer and Audit Ordinance;
• Records all revenue received and payments made e.g. lease payments, administrative charges, payment of licence fees etc. ; and
• Records revenues collected from royalty, petroleum impost and subsidy.