{"entity":{"iso2":"IR","iso3":"IRN","name":"Iran","slug":"iran-islamic-rep"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-change-hydro","source":"Energy Institute - Statistical Review of World Energy (2026); Smil (2017) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/annual-change-hydro","title":"Annual change in primary energy from hydropower","unit":"terawatt-hours"},"observations":[{"date":"1966-01-01","value":0.128162},{"date":"1967-01-01","value":0.141421},{"date":"1968-01-01","value":0.15026},{"date":"1969-01-01","value":0.163518},{"date":"1970-01-01","value":0.176776},{"date":"1971-01-01","value":0.185615},{"date":"1972-01-01","value":0.835266},{"date":"1973-01-01","value":-0.534747},{"date":"1974-01-01","value":0.300519},{"date":"1975-01-01","value":0.163518},{"date":"1976-01-01","value":0.406585},{"date":"1977-01-01","value":0.128163},{"date":"1978-01-01","value":2.24506},{"date":"1979-01-01","value":-0.826428},{"date":"1980-01-01","value":0.198873},{"date":"1981-01-01","value":0.51265},{"date":"1982-01-01","value":0.300519},{"date":"1983-01-01","value":-0.137001},{"date":"1984-01-01","value":-0.406585},{"date":"1985-01-01","value":0.0477142},{"date":"1986-01-01","value":1.151},{"date":"1987-01-01","value":0.766},{"date":"1988-01-01","value":0.43},{"date":"1989-01-01","value":-1.514},{"date":"1990-01-01","value":0.649},{"date":"1991-01-01","value":-1.774},{"date":"1992-01-01","value":3.597},{"date":"1993-01-01","value":1.329},{"date":"1994-01-01","value":-3.637},{"date":"1995-01-01","value":1.427},{"date":"1996-01-01","value":0.490999},{"date":"1997-01-01","value":-2.873},{"date":"1998-01-01","value":1.547},{"date":"1999-01-01","value":-2.345},{"date":"2000-01-01","value":-1.362},{"date":"2001-01-01","value":0.341},{"date":"2002-01-01","value":3.89},{"date":"2003-01-01","value":1.576},{"date":"2004-01-01","value":2.345},{"date":"2005-01-01","value":2.515},{"date":"2006-01-01","value":4.061},{"date":"2007-01-01","value":-0.549999},{"date":"2008-01-01","value":-10.521},{"date":"2009-01-01","value":-0.715},{"date":"2010-01-01","value":3.529},{"date":"2011-01-01","value":0.432},{"date":"2012-01-01","value":1.818},{"date":"2013-01-01","value":2.122},{"date":"2014-01-01","value":-0.12},{"date":"2015-01-01","value":-1.252},{"date":"2016-01-01","value":2.17},{"date":"2017-01-01","value":1.81},{"date":"2018-01-01","value":-7.394},{"date":"2019-01-01","value":24.027},{"date":"2020-01-01","value":-10.66},{"date":"2021-01-01","value":-23.205},{"date":"2022-01-01","value":14.004},{"date":"2023-01-01","value":8.81129},{"date":"2024-01-01","value":-3.94204},{"date":"2025-01-01","value":-6.91524}],"summary":{"latest_period":"2025-01-01","latest_value":-6.91524,"max":24.027,"mean":0.170648,"min":-23.205,"of":77,"rank":70,"trend":"volatile"}}