This research investigates the reliability of power transformers in the transmission network of Rivers State, Nigeria, focusing on the perspectives of electricity consumers, organizational personnel, and business operators. The study employed a descriptive survey design, collecting data from 390 respondents using a questionnaire and structured interviews. The results indicate significant dissatisfaction among consumers due to factors such as transformer age, overall condition, uncontrolled overloading, adverse weather conditions, and inadequate transformer capacity. The study recommends various strategies to enhance reliability, including upgrading or replacing outdated transformers, implementing load limits, improving earthing systems, and increasing transformer capacity. The findings highlight the negative economic impacts of power outages and suggest comprehensive measures to mitigate these issues. The research contributes to the literature by providing insights into consumer perceptions and practical recommendations for improving power transformer reliability in Rivers State.This research investigates the reliability of power transformers in the transmission network of Rivers State, Nigeria, focusing on the perspectives of electricity consumers, organizational personnel, and business operators. The study employed a descriptive survey design, collecting data from 390 respondents using a questionnaire and structured interviews. The results indicate significant dissatisfaction among consumers due to factors such as transformer age, overall condition, uncontrolled overloading, adverse weather conditions, and inadequate transformer capacity. The study recommends various strategies to enhance reliability, including upgrading or replacing outdated transformers, implementing load limits, improving earthing systems, and increasing transformer capacity. The findings highlight the negative economic impacts of power outages and suggest comprehensive measures to mitigate these issues. The research contributes to the literature by providing insights into consumer perceptions and practical recommendations for improving power transformer reliability in Rivers State.