Day-ahead prices, negative hours and the battery ceiling β daily, from real market data.
Average price: 134855 β©/MWh Β· Negative hours (2026-07-17): 0 Β· 2 h battery: 55.385 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.