The present invention relates to a system and method for decentralized energy resource based active virtual power energy management. According to an embodiment of the present invention, there is provided a system for decentralized energy resource based active virtual power energy management comprising: a meter data management device receiving a customer load profile from a customer; a resource aggregator obtaining energy generation resource state information and position information of a decentralized energy resource from at least one decentralized energy resource; and a virtual energy generation resource management device generating a decentralized energy resource load profile using the energy generation resource state information and providing energy required to the customer based on the customer load profile, the decentralized energy resource load profile and the position information.