At 11:18pm of June 2^nd, the 1# and 2# substation 10kW HV unit for Huizhou refinery & petrochemical crude coal transferring and coal preparation project (Phase II) was successfully energized, with all variables ranging within the range of design, operating at a level acceptable to the specification. It greatly benefited the subsequent single commissioning and integrated commissioning. Therefore, our performance was highly valued by the client and supervisor.