Section 2(1)(z) in The Delhi Electricity Regulatory Commission (Terms and Conditions for Determination of Transmission Tariff) Regulations, 2011
(z)"Open Access Customer" means a consumer permitted by the Commission to receive supply of electricity from a person, other than Distribution Licensee of his area of supply, and the expression includes a generating company and a Licensee, who has availed of or intends to avail of open access;