<span lang="IN">Innovative work behavior shown by employee activities that generate ideas, promote ideas, and implement ideas is very useful for organizational sustainability. This </span><span>research</span><span lang="IN"> seeks to improve innovative work behavior by analyzing the contribution of self-efficacy and organizational climate to ionovative work behavior. The research was conducted on non-permanent instructors at PT PLN (Persero) Pusdiklat with samples</span><span lang="IN">149. Hypothesis testing uses parametric statistical analysis and RCA (Root Cause Analysis) method. The findings of this </span><span>research</span><span lang="IN">: (1) If self-efficacy increases, innovative work behavior will increase; (2) if the organizational climate increases, innovative work behavior will increase; (3) If self-efficacy and organizational climate increase together, innovative work behavior will increase. Based on the RCA  </span><span>(Root Cause Analysis) </span><span lang="IN">method, several priority indicators were found to improve innovative work behavior, namely: forming an innovation team, assigning internships / benchmarks, budgeting for awards, K3L training, creating Knowledge Capturing books, recruiting K3L HR, and book review</span>