Day-ahead prices, negative hours and the battery ceiling β daily, from real market data.
Average price: 102792 KRW /MWh Β· Negative hours (2026-05-31): 0 Β· 2 h battery: 222.786 KRW
The negative-price, curtailment and grid-fee rules that drive South Korea's battery economics.
We compute it for every β₯1 MW battery β independent, from public data.