New Orleans Public Service Incorporated (also known as NOPSI) was the electric and natural gas utility and mass transit provider for New Orleans, Louisiana in the middle part of the 20th Century. The various street car lines of New Orleans were consolidated under NOPSI's control in 1922. Throughout the 1950s and 1960s, NOPSI converted all the street car lines in New Orleans, except for the St. Charles Avenue Line to bus service. In 1983, control of the system's mass transit was transferred to a public agency, the New Orleans Regional Transit Authority. NOPSI later became Entergy New Orleans, a subsudiary of Entergy Corporation.
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