This research type is explanatory research with quantitative approach. The sample used 58 employees of PT PLN (Persero) Stem Unit Development VIII Surabaya using proportional random sampling method. The technique of data collection with the dissemination of the questionnaire. This research aims to know the influence of human capital, information capital and organizational capital on performance of employees simultaneously and partialy. Testing instrument using the test validity and reliability tests. This research instrument test results, indicating that the entire item is valid and instrument reliability. Data analysis using descriptive analysis and inferensial analysis. The results showed a simultaneous human capital, information capital and organizational capital effect significantly to the performance of the employee. But only partially human capital that influence significantly to the performance of the employee. Human capital variables are more dominant than with variable information capital and organizational capital. This is caused by the process of recruitment of employees who do PT PLN (Persero) Unit induk Pembangunan VIII Surabaya have high standards so that the human capital that is owned by the company are very good. Limitations of this research researchers in there are still some employees who lack such positive response answer item questionnaire with answers very much agree in whole or hesitation.