The original project, the Manicouagan-Outardes project, included the construction of five dams on the Manicouagan River (Manic-1, Manic-2, Manic-3, Manic-4 and Manic-5) and three on the Outardes River (Outardes-2, Outardes-3 and Outardes-4).
Das ursprüngliche „Manic-Outardes-Projekt“ sah den Bau von fünf Dämmen am Manicouagan (Manic-1, Manic-2, Manic-3, Manic-4 und Manic-5) und von drei Dämmen am Rivière aux Outardes (Outardes-2, Outardes-3 und Outardes-4) vor.