SMP by hour of day

SMP by hour — mainland and Jeju (latest month)

02040608010012017131924111.64 KRW/kWh0204060801001201471013161924111.64 KRW/kWh

Source: Computed (simple mean) from smp-hourly through 2026-06 and from the KPX, SMP and demand forecast (day-ahead scheduling) OpenAPI (data.go.kr 15131225) from 2026-07. Processed by Renuary; not an official KPX interpretation. · Chart: Renuary (CC BY 4.0)