{"data":[{"date":"2026-06-13","flex_eur_mwh":159.03},{"date":"2026-06-14","flex_eur_mwh":148.71},{"date":"2026-06-15","flex_eur_mwh":159.22},{"date":"2026-06-16","flex_eur_mwh":111.96},{"date":"2026-06-17","flex_eur_mwh":83.15},{"date":"2026-06-18","flex_eur_mwh":432.2},{"date":"2026-06-19","flex_eur_mwh":186.78},{"date":"2026-06-20","flex_eur_mwh":178.4},{"date":"2026-06-21","flex_eur_mwh":149.92},{"date":"2026-06-22","flex_eur_mwh":233.99},{"date":"2026-06-23","flex_eur_mwh":496.69},{"date":"2026-06-24","flex_eur_mwh":849.26},{"date":"2026-06-25","flex_eur_mwh":240.82},{"date":"2026-06-26","flex_eur_mwh":266.37},{"date":"2026-06-27","flex_eur_mwh":265.33},{"date":"2026-06-28","flex_eur_mwh":146.71},{"date":"2026-06-29","flex_eur_mwh":311.29},{"date":"2026-06-30","flex_eur_mwh":440.53},{"date":"2026-07-01","flex_eur_mwh":130.24},{"date":"2026-07-02","flex_eur_mwh":133.35},{"date":"2026-07-03","flex_eur_mwh":148.53},{"date":"2026-07-04","flex_eur_mwh":139.7},{"date":"2026-07-05","flex_eur_mwh":159.05},{"date":"2026-07-06","flex_eur_mwh":145.6},{"date":"2026-07-07","flex_eur_mwh":166.58},{"date":"2026-07-08","flex_eur_mwh":71},{"date":"2026-07-09","flex_eur_mwh":203.74},{"date":"2026-07-10","flex_eur_mwh":132.72},{"date":"2026-07-11","flex_eur_mwh":156.06},{"date":"2026-07-12","flex_eur_mwh":146.18}],"meta":{"zone":"BE","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."}}