{"entity":{"iso2":"IR","iso3":"IRN","name":"Iran","slug":"iran-islamic-rep"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-percentage-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-percentage-change-hydro","title":"Annual percentage change in primary energy from hydropower","unit":"%"},"observations":[{"date":"1966-01-01","value":7.455},{"date":"1967-01-01","value":7.65551},{"date":"1968-01-01","value":7.55556},{"date":"1969-01-01","value":7.64462},{"date":"1970-01-01","value":7.67754},{"date":"1971-01-01","value":7.48664},{"date":"1972-01-01","value":31.3433},{"date":"1973-01-01","value":-15.2778},{"date":"1974-01-01","value":10.1341},{"date":"1975-01-01","value":5.00676},{"date":"1976-01-01","value":11.8557},{"date":"1977-01-01","value":3.34101},{"date":"1978-01-01","value":56.6332},{"date":"1979-01-01","value":-13.3096},{"date":"1980-01-01","value":3.69458},{"date":"1981-01-01","value":9.18447},{"date":"1982-01-01","value":4.93111},{"date":"1983-01-01","value":-2.14236},{"date":"1984-01-01","value":-6.49718},{"date":"1985-01-01","value":0.815449},{"date":"1986-01-01","value":19.5118},{"date":"1987-01-01","value":10.8652},{"date":"1988-01-01","value":5.50154},{"date":"1989-01-01","value":-18.3604},{"date":"1990-01-01","value":9.64053},{"date":"1991-01-01","value":-24.0347},{"date":"1992-01-01","value":64.152},{"date":"1993-01-01","value":14.4394},{"date":"1994-01-01","value":-34.5296},{"date":"1995-01-01","value":20.6931},{"date":"1996-01-01","value":5.89931},{"date":"1997-01-01","value":-32.5959},{"date":"1998-01-01","value":26.0394},{"date":"1999-01-01","value":-31.3168},{"date":"2000-01-01","value":-26.4826},{"date":"2001-01-01","value":9.01879},{"date":"2002-01-01","value":94.3717},{"date":"2003-01-01","value":19.6705},{"date":"2004-01-01","value":24.4576},{"date":"2005-01-01","value":21.076},{"date":"2006-01-01","value":28.1077},{"date":"2007-01-01","value":-2.97152},{"date":"2008-01-01","value":-58.5834},{"date":"2009-01-01","value":-9.6128},{"date":"2010-01-01","value":52.4914},{"date":"2011-01-01","value":4.21381},{"date":"2012-01-01","value":17.0161},{"date":"2013-01-01","value":16.9733},{"date":"2014-01-01","value":-0.820568},{"date":"2015-01-01","value":-8.6321},{"date":"2016-01-01","value":16.3749},{"date":"2017-01-01","value":11.7365},{"date":"2018-01-01","value":-42.9085},{"date":"2019-01-01","value":244.226},{"date":"2020-01-01","value":-31.4779},{"date":"2021-01-01","value":-100.0},{"date":"2023-01-01","value":62.9198},{"date":"2024-01-01","value":-17.2781},{"date":"2025-01-01","value":-36.6404}],"summary":{"latest_period":"2025-01-01","latest_value":-36.6404,"max":244.226,"mean":7.93795,"min":-100.0,"of":68,"rank":65,"trend":"volatile"}}