Day-ahead prices, negative hours and the battery ceiling — daily, from real market data.
Average price: 46 $/MWh · Negative hours (2026-06-03): 0 · 2 h battery: 202 $
The negative-price, curtailment and grid-fee rules that drive United States's battery economics.
We compute it for every ≥1 MW battery — independent, from public data.