{"data":[{"date":"2026-06-13","flex_eur_mwh":146.52},{"date":"2026-06-14","flex_eur_mwh":159.89},{"date":"2026-06-15","flex_eur_mwh":160.15},{"date":"2026-06-16","flex_eur_mwh":116.01},{"date":"2026-06-17","flex_eur_mwh":113.5},{"date":"2026-06-18","flex_eur_mwh":136.27},{"date":"2026-06-19","flex_eur_mwh":133.72},{"date":"2026-06-20","flex_eur_mwh":123.37},{"date":"2026-06-21","flex_eur_mwh":119.44},{"date":"2026-06-22","flex_eur_mwh":163.72},{"date":"2026-06-23","flex_eur_mwh":218.5},{"date":"2026-06-24","flex_eur_mwh":143.92},{"date":"2026-06-25","flex_eur_mwh":197.39},{"date":"2026-06-26","flex_eur_mwh":158.1},{"date":"2026-06-27","flex_eur_mwh":141.29},{"date":"2026-06-28","flex_eur_mwh":137.93},{"date":"2026-06-29","flex_eur_mwh":185.35},{"date":"2026-06-30","flex_eur_mwh":389.27},{"date":"2026-07-01","flex_eur_mwh":217.73},{"date":"2026-07-02","flex_eur_mwh":180.88},{"date":"2026-07-03","flex_eur_mwh":159.6},{"date":"2026-07-04","flex_eur_mwh":148.13},{"date":"2026-07-05","flex_eur_mwh":140.19},{"date":"2026-07-06","flex_eur_mwh":139.3},{"date":"2026-07-07","flex_eur_mwh":158.4},{"date":"2026-07-08","flex_eur_mwh":126.04},{"date":"2026-07-09","flex_eur_mwh":170.97},{"date":"2026-07-10","flex_eur_mwh":140.46},{"date":"2026-07-11","flex_eur_mwh":163.44},{"date":"2026-07-12","flex_eur_mwh":145.22}],"meta":{"zone":"GR","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."}}