Developing an efficient and robust electrocatalyst for the oxygen evolution reaction (OER) that is free from scarce raw materials is of paramount importance for the sustainable production of green chemicals and fuels. Significant efforts have been devoted to improving OER activity, while the robustness of OER electrocatalysts has been less dwelled upon.1 Even for NiFe-LDH, which is known to be one of the most active transition metal-based OER electrocatalyst in alkaline media, its long-term stability under industrially relevant conditions remains questionable, partly because of the many parameters that can influence it. The stability of NiFe-LDH is known to depend on operating conditions (overpotential, current density, temperature of electrolyte, etc.), electrolyte composition (pH, type, and concentration of cations), and its structural and chemical characteristics (diameter and thickness, i.e. number of layers of platelets, intercalating anions, orientation, composition, point and extended defects, etc.). Recent studies have shown that the stability of NiFe-LDH can be improved by inducing cationic vacancies, exfoliation of nanosheets of NiFe-LDH, and by injecting Fe species in the electrolyte.2 , 3 Though these studies have shown improvement in the long-term stability of NiFe-LDH in mild operating conditions, the stability of NiFe-LDH is expected to aggravate sharply when tested at industrially relevant conditions (i.e., operating at high current density of 1 A cm-2 in 6 M KOH at 80 ℃). In this contribution we will report the activity and stability of NiFe-LDH for OER at industrially relevant conditions by employing long-term testing and operando Raman investigations. We expect this study to help guide the future design of advanced NiFe-LDH based electrocatalysts for OER.