An electric vehicle charger installed by the Ministry of Environment in the parking lot of Jung-gu Office in Jung-gu, Daegu. Hankook Ilbo data photo
Local governments across the country have invested enormous amounts of finances and subsidies to expand the supply of eco-friendly vehicles, but charging facilities essential for electric vehicle operation were found to be inadequate compared to demand. In particular, it was investigated that there is a problem in the distribution of the charging infrastructure, such as relatively low charging demand in areas where a lot of chargers are installed, and less chargers are installed in areas where charging demand is high.
According to the report on the’Charging Infrastructure that Happens the Commercialization of Future Vehicles’ released by Gyeonggi Research Institute on the 25th, there are 7,959 rapid chargers for domestic electric vehicles as of the end of last year. It is 84% of the target value (9,000 units). Last year, the number of electric vehicles in Korea was 134,962. This is a 50.0% increase from the previous year (89,918 units).
An official at the Gyeonggi Research Institute said, “The appropriate number of fast chargers per unit is 10, but currently 17 units are in charge.” “The charging infrastructure is not keeping up with the electric vehicle supply speed.”
The bigger problem is that the charger is not being installed properly where it is in demand. According to the report, as a result of analyzing the average daily charging amount per unit for each installation site of the common rapid charger, the proportion of installation sites was high, but the charging amount was rather less than that of facilities with a low installation site proportion.
In the case of Gyeonggi, the construction rate of public rapid electric vehicle charging stations was 16.9%, whereas the daily charge was only 7.3%. It means that 16.9% of the chargers installed nationwide are in Gyeonggi-do, but only 7.3% of the electric energy that one charger could supply. On the other hand, the charging amount recorded 5.7% compared to the 2.4% construction rate in Busan. This means that in Busan, more vehicles are using one charging station.
Visual objects_nationwide-electric vehicle charger-build ratio-and-1day-charge amount-ratio
There was also a big difference by facility. Public facilities such as city halls have the highest rate of installing public fast electric vehicle charging stations at 29.6%, but the average daily charging amount per unit is only 13.7%. The charging consumption rate for tourism and cultural facilities also reached 14.0%, but the actual charging amount was 10.5%. On the other hand, the installation rate of rest facilities was only 8.8%, but the daily charge amount was 32.6%, showing a big difference. This means that you have to wait in a longer line to recharge at a rest facility.
In the meantime, due to the excessive focus on building charging infrastructure centered on public facilities and commercial facilities, there has been an alienated area of electric vehicle charging infrastructure centered on living bases with high demand for charging. “We have come to the conclusion that chargers should be intensively installed in living bases based on charging efficiency and convenience,” said Kang Gang-gu, a senior research fellow at Gyeonggi Research Institute. said.
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