{"data":[{"date":"2026-06-13","flex_eur_mwh":162.35},{"date":"2026-06-14","flex_eur_mwh":161.36},{"date":"2026-06-15","flex_eur_mwh":160.78},{"date":"2026-06-16","flex_eur_mwh":122.68},{"date":"2026-06-17","flex_eur_mwh":88.34},{"date":"2026-06-18","flex_eur_mwh":453.46},{"date":"2026-06-19","flex_eur_mwh":191.38},{"date":"2026-06-20","flex_eur_mwh":185.75},{"date":"2026-06-21","flex_eur_mwh":150.26},{"date":"2026-06-22","flex_eur_mwh":239.27},{"date":"2026-06-23","flex_eur_mwh":537.16},{"date":"2026-06-24","flex_eur_mwh":752.26},{"date":"2026-06-25","flex_eur_mwh":276.26},{"date":"2026-06-26","flex_eur_mwh":332.52},{"date":"2026-06-27","flex_eur_mwh":235.06},{"date":"2026-06-28","flex_eur_mwh":158.44},{"date":"2026-06-29","flex_eur_mwh":268.58},{"date":"2026-06-30","flex_eur_mwh":437.1},{"date":"2026-07-01","flex_eur_mwh":152.31},{"date":"2026-07-02","flex_eur_mwh":139.53},{"date":"2026-07-03","flex_eur_mwh":143.2},{"date":"2026-07-04","flex_eur_mwh":140.68},{"date":"2026-07-05","flex_eur_mwh":147.04},{"date":"2026-07-06","flex_eur_mwh":147.84},{"date":"2026-07-07","flex_eur_mwh":155.85},{"date":"2026-07-08","flex_eur_mwh":108.57},{"date":"2026-07-09","flex_eur_mwh":191.17},{"date":"2026-07-10","flex_eur_mwh":141.29},{"date":"2026-07-11","flex_eur_mwh":158.42},{"date":"2026-07-12","flex_eur_mwh":167.48}],"meta":{"zone":"NL","index":"FLEX-2H v1.0","unit":"EUR per MWh of shifted energy","method":"Max of avg(discharge 2h window) \u2212 avg(charge 2h window) over the published day-ahead 15-minute curve, charge completing before discharge. Methodology is versioned and immutable; see voltcast.com\/indices.","license":"Free to view and quote with attribution (\"Voltcast Flex Index\"). Commercial referencing (contracts, settlement, indexation) requires a license: sales@voltcast.com."}}