Day-ahead prices, negative hours and the battery ceiling β daily, from real market data.
Average price: 130330 β©/MWh Β· Negative hours (2026-07-11): 0 Β· 2 h battery: 76.680 β©
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.