{"data":[{"date":"2026-06-13","flex_eur_mwh":175.42},{"date":"2026-06-14","flex_eur_mwh":144.04},{"date":"2026-06-15","flex_eur_mwh":157.44},{"date":"2026-06-16","flex_eur_mwh":181.2},{"date":"2026-06-17","flex_eur_mwh":121.5},{"date":"2026-06-18","flex_eur_mwh":358.65},{"date":"2026-06-19","flex_eur_mwh":204.58},{"date":"2026-06-20","flex_eur_mwh":185.38},{"date":"2026-06-21","flex_eur_mwh":157.08},{"date":"2026-06-22","flex_eur_mwh":231.1},{"date":"2026-06-23","flex_eur_mwh":425.13},{"date":"2026-06-24","flex_eur_mwh":526.93},{"date":"2026-06-25","flex_eur_mwh":310.23},{"date":"2026-06-26","flex_eur_mwh":318.91},{"date":"2026-06-27","flex_eur_mwh":247.5},{"date":"2026-06-28","flex_eur_mwh":178.55},{"date":"2026-06-29","flex_eur_mwh":456.79},{"date":"2026-06-30","flex_eur_mwh":852.59},{"date":"2026-07-01","flex_eur_mwh":238.97},{"date":"2026-07-02","flex_eur_mwh":144.62},{"date":"2026-07-03","flex_eur_mwh":156.86},{"date":"2026-07-04","flex_eur_mwh":141.81},{"date":"2026-07-05","flex_eur_mwh":139.78},{"date":"2026-07-06","flex_eur_mwh":142.86},{"date":"2026-07-07","flex_eur_mwh":153.76},{"date":"2026-07-08","flex_eur_mwh":85.13},{"date":"2026-07-09","flex_eur_mwh":169.99},{"date":"2026-07-10","flex_eur_mwh":140.79},{"date":"2026-07-11","flex_eur_mwh":156.9},{"date":"2026-07-12","flex_eur_mwh":145.32}],"meta":{"zone":"HR","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."}}