The primary purpose of this study is to investigate how much influence user satisfaction has in increasing interest in adopting existing e-government services, especially in Indonesia. User satisfaction with electronic-based government services is considered an essential factor to be managed as an indicator of success for governments implementing service innovations. However, this does not automatically increase interest in adopting e-government services. The research method is carried out by analyzing the results of a service user survey, analyzing exploratory and confirmatory factors, and investigating the influences that affect the interest in adopting e-government services based on the hypotheses built. Primary data comes from respondents using e-government services, as many as 200 people, and processed using the Smart-PLS tool for further analysis. At the same time, the feasibility test of the model uses the SEM technique. The study results show that user satisfaction can affect the adoption of e-government services with a power level of 0.184. Meanwhile, user satisfaction as a mediator of service quality on the adoption of e-government services is proven to affect service quality significantly. This study can assist the government in providing the community with alternative strategic policy measures and service innovations. In addition, it contributes to developing theoretical knowledge into a modified model framework that can explain the significant effect of implementing e-government service adoption.