Renewable energy resources are widely being utilised in remote area power supply (RAPS) systems. The capacity value of renewable energy resources in a RAPS system indicates the ability of renewable energy resources to serve the load demand in the RAPS systems. In this paper, the impact of capacity value of renewable resources on energy management of a RAPS system, while maintaining system reliability, is investigated. It is revealed that capacity value of renewable energy resources has direct influence on RAPS system energy management. By utilising storage in conjunction with renewable energy resources, the RAPS system can cater load demand while achieving a higher reliability. A case study based on a remote village has shown that with the presence of a renewable energy resource with high capacity value can meet the load demand with a relatively small storage system for energy balance while maintaining the level of reliability target. Therefore, it is imperative to consider capacity value of renewable energy resources to design a highly reliable RAPS system.