



Day-ahead prices, negative hours and the battery ceiling — daily, from real market data.
Average price: 10762 ₱/MWh · Negative hours (2026-07-20): 0 · 2 h battery: 73.633 ₱
The negative-price, curtailment and grid-fee rules that drive Philippines's battery economics.
We compute it for every ≥1 MW battery — independent, from public data.