Abstract: In the times of big data, data value-added services may provide a new blue ocean for distributed power generation market. With the aim of "find data’s value, let data create value", this paper proposes a data industry chain for "internet +" user-side distributed generation according to analysis of its data value chain and relevant stakeholder. Then three kinds of value-added services are presented, which include “data as service”, “information as service”, and “knowledge as service”. To realize the data value and make value-added services to be a kind of profit way for companies, this paper builds a data-driven business model for value-added services of user-side distributed power generation, including cost advantage, value creation, value orientation, and value acquisition.