Should the definite or indefinite article be used in the following? The target in question is mentioned for the first time in the passage, yet it seems to be quite specific.
Currently, the Ministry of Economic Affairs’ Bureau of Energy (BOE) has come up with a new two-year plan to promote the installation of solar PV facilities such as rooftop solar panels and ground-mounted solar panels. It aims to meet a/the target of 3.7 GW by the end of 2019, and 6.5 GW by the end of 2020.
I'd appreciate your help.