{"entity":{"iso2":null,"iso3":null,"name":"CIS (EI)","slug":"cis-ei"},"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":10.389},{"date":"1967-01-01","value":-3.25199},{"date":"1968-01-01","value":15.469},{"date":"1969-01-01","value":11.141},{"date":"1970-01-01","value":9.19601},{"date":"1971-01-01","value":1.72199},{"date":"1972-01-01","value":-3.2},{"date":"1973-01-01","value":-0.554001},{"date":"1974-01-01","value":9.685},{"date":"1975-01-01","value":-6.043},{"date":"1976-01-01","value":9.748},{"date":"1977-01-01","value":11.279},{"date":"1978-01-01","value":22.687},{"date":"1979-01-01","value":2.32199},{"date":"1980-01-01","value":11.915},{"date":"1981-01-01","value":2.806},{"date":"1982-01-01","value":-12.067},{"date":"1983-01-01","value":5.685},{"date":"1984-01-01","value":22.626},{"date":"1985-01-01","value":-8.89589},{"date":"1986-01-01","value":1.10927},{"date":"1987-01-01","value":1.7766},{"date":"1988-01-01","value":7.94167},{"date":"1989-01-01","value":-5.76289},{"date":"1990-01-01","value":12.0819},{"date":"1991-01-01","value":0.219696},{"date":"1992-01-01","value":4.54218},{"date":"1993-01-01","value":6.57851},{"date":"1994-01-01","value":3.75101},{"date":"1995-01-01","value":-6.0148},{"date":"1996-01-01","value":-21.4992},{"date":"1997-01-01","value":-0.962006},{"date":"1998-01-01","value":0.484009},{"date":"1999-01-01","value":4.826},{"date":"2000-01-01","value":5.2662},{"date":"2001-01-01","value":8.8761},{"date":"2002-01-01","value":-9.9826},{"date":"2003-01-01","value":-1.61014},{"date":"2004-01-01","value":20.074},{"date":"2005-01-01","value":-2.26601},{"date":"2006-01-01","value":-1.51039},{"date":"2007-01-01","value":5.39812},{"date":"2008-01-01","value":-19.7424},{"date":"2009-01-01","value":10.6518},{"date":"2010-01-01","value":-1.48077},{"date":"2011-01-01","value":-4.09001},{"date":"2012-01-01","value":0.288742},{"date":"2013-01-01","value":16.4006},{"date":"2014-01-01","value":-8.29283},{"date":"2015-01-01","value":-5.71858},{"date":"2016-01-01","value":20.4425},{"date":"2017-01-01","value":4.48077},{"date":"2018-01-01","value":3.96416},{"date":"2019-01-01","value":4.13788},{"date":"2020-01-01","value":14.2522},{"date":"2021-01-01","value":2.07498},{"date":"2022-01-01","value":-16.5713},{"date":"2023-01-01","value":5.13606},{"date":"2024-01-01","value":15.912},{"date":"2025-01-01","value":-11.0554}],"summary":{"latest_period":"2025-01-01","latest_value":-11.0554,"max":22.687,"mean":2.9461,"min":-21.4992,"of":3,"rank":2,"trend":"volatile"}}