{"data":[{"date":"2026-06-13","flex_eur_mwh":128.99},{"date":"2026-06-14","flex_eur_mwh":138.84},{"date":"2026-06-15","flex_eur_mwh":158.6},{"date":"2026-06-16","flex_eur_mwh":129.57},{"date":"2026-06-17","flex_eur_mwh":106.79},{"date":"2026-06-18","flex_eur_mwh":116.58},{"date":"2026-06-19","flex_eur_mwh":134.28},{"date":"2026-06-20","flex_eur_mwh":126.95},{"date":"2026-06-21","flex_eur_mwh":136.54},{"date":"2026-06-22","flex_eur_mwh":143.38},{"date":"2026-06-23","flex_eur_mwh":102.34},{"date":"2026-06-24","flex_eur_mwh":107.61},{"date":"2026-06-25","flex_eur_mwh":141.25},{"date":"2026-06-26","flex_eur_mwh":143.12},{"date":"2026-06-27","flex_eur_mwh":145.43},{"date":"2026-06-28","flex_eur_mwh":131.15},{"date":"2026-06-29","flex_eur_mwh":137.96},{"date":"2026-06-30","flex_eur_mwh":76.01},{"date":"2026-07-01","flex_eur_mwh":111.27},{"date":"2026-07-02","flex_eur_mwh":118.57},{"date":"2026-07-03","flex_eur_mwh":124.51},{"date":"2026-07-04","flex_eur_mwh":122.96},{"date":"2026-07-05","flex_eur_mwh":159.14},{"date":"2026-07-06","flex_eur_mwh":81.16},{"date":"2026-07-07","flex_eur_mwh":82.26},{"date":"2026-07-08","flex_eur_mwh":78.06},{"date":"2026-07-09","flex_eur_mwh":120.83},{"date":"2026-07-10","flex_eur_mwh":114.17},{"date":"2026-07-11","flex_eur_mwh":155.53},{"date":"2026-07-12","flex_eur_mwh":150.36}],"meta":{"zone":"PT","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."}}