On 1 February 2013, Cowell Electric Supply Pty Ltd was transitioned to an individual exemption for the sale of electricity under the National Energy Retail Law in respect of its energy selling activities at Iron Knob and Pimba, South Australia.
On 31 July 2018, the exemption holder sold the electricity business servicing Iron Knob and Pimba to A.C.N. 626 950 829 Pty Ltd (ABN 13 626 950 829), which subsequently changed its legal name to Cowell Electric Supply Pty Ltd on 5 October 2018.
On 12 March 2019, the exemption holder changed its legal name to Cesco Partners Pty Ltd.