[8] The Cathedral, built by Bishop Oberto (attested 1250–1256),[9] was restored by Giovanni Andrea Serra (1783–99), and Achille Caracciolo (1616).

[11] In 1694, Potenza was involved in the earthquake of 8 September, which affected nearly the entire kingdom of Naples.

[15] He supported the French inspired Parthenopean Republic, and was a target of Cardinal Fabrizio Ruffo's sanfedist army.

Potenza was made a suffragan of the archdiocese of Acerenza, along with Anglona e Tursi, Tricarico, and Venosa.

[20] Bishop Pietro Ignazio Marolda held a diocesan synod in Potenza in 1834.

[22] On 31 May 1973, by decree of the Congregation of Bishops of the papal curia, five parishes belonging to the Diocese of Campagna were transferred to the jurisdiction of the archdiocese of Potenza.

The decree Eo quod spirituales of 12 September 1976 created a new episcopal conference in the region called "Basilicata", to which were assigned all of the dioceses that belonged to the ecclesiastical province of Potenza, including Materana and Mons Pelusii; they had formerly belonged to the episcopal conference of "Apulia".

Based on the revisions, a set of Normae was issued on 15 November 1984, which was accompanied in the next year, on 3 June 1985, by enabling legislation.

According to the agreement, the practice of having one bishop govern two separate dioceses at the same time, aeque personaliter, was abolished.

There was to be only one diocesan Tribunal, in Potenza, and likewise one seminary, one College of Consultors, and one Priests' Council.

[29] On 25 January 1998 the archdiocese of Potenza gained territory from the Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia[2] The cathedral Chapter of Potenza is currently (2022) composed of thirteen persons: ten canons (including a president, a vice-president, an economus, and a penitentiary) and three honorary canons.

[30] In 1990, the six bishops of the ecclesiastical province of Basilicata established a joint seminary for the training of priests, situated in Potenza.