a data collection device for photovoltaic power generation is provided . the data collection device for collecting photovoltaic power generation data includes a reception unit receiving , from a photovoltaic device , generation that absorbed solar energy is converted into electrical energy , and photovoltaic power generation related information ; a storage unit storing the photovoltaic power generation related information on the photovoltaic device ; a control unit determining a predicted life of the photovoltaic device based on the photovoltaic power generation related information received from the reception unit and accumulated related information stored in the storage unit ; and a transceiver transmitting a result of determination to an external device .