{"entity":{"iso2":"KR","iso3":"KOR","name":"South Korea","slug":"korea-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":38.6943},{"date":"1967-01-01","value":-3.26298},{"date":"1968-01-01","value":-2.48518},{"date":"1969-01-01","value":53.6889},{"date":"1970-01-01","value":-14.5486},{"date":"1971-01-01","value":8.13416},{"date":"1972-01-01","value":3.644},{"date":"1973-01-01","value":-6.11158},{"date":"1974-01-01","value":48.3776},{"date":"1975-01-01","value":-11.7033},{"date":"1976-01-01","value":6.29021},{"date":"1977-01-01","value":-22.1357},{"date":"1978-01-01","value":29.7829},{"date":"1979-01-01","value":27.0339},{"date":"1980-01-01","value":-16.3661},{"date":"1981-01-01","value":35.2708},{"date":"1982-01-01","value":-33.9663},{"date":"1983-01-01","value":33.7439},{"date":"1984-01-01","value":-12.9043},{"date":"1985-01-01","value":59.3963},{"date":"1986-01-01","value":-2.35751},{"date":"1987-01-01","value":27.5088},{"date":"1988-01-01","value":-49.8853},{"date":"1989-01-01","value":49.1506},{"date":"1990-01-01","value":58.0295},{"date":"1991-01-01","value":-25.5746},{"date":"1992-01-01","value":-11.1473},{"date":"1993-01-01","value":36.4849},{"date":"1994-01-01","value":-44.5047},{"date":"1995-01-01","value":17.6392},{"date":"1996-01-01","value":-12.1585},{"date":"1997-01-01","value":16.0717},{"date":"1998-01-01","value":52.0764},{"date":"1999-01-01","value":-2.80782},{"date":"2000-01-01","value":-3.59936},{"date":"2001-01-01","value":-41.8903},{"date":"2002-01-01","value":38.7495},{"date":"2003-01-01","value":51.1263},{"date":"2004-01-01","value":-11.759},{"date":"2005-01-01","value":-14.794},{"date":"2006-01-01","value":-5.60156},{"date":"2007-01-01","value":4.7328},{"date":"2008-01-01","value":-15.4623},{"date":"2009-01-01","value":-8.36909},{"date":"2010-01-01","value":30.8832},{"date":"2011-01-01","value":24.8698},{"date":"2012-01-01","value":-13.6728},{"date":"2013-01-01","value":8.06818},{"date":"2014-01-01","value":-35.8534},{"date":"2015-01-01","value":-22.0141},{"date":"2016-01-01","value":32.649},{"date":"2017-01-01","value":-1.31592},{"date":"2018-01-01","value":19.6024},{"date":"2019-01-01","value":-16.9892},{"date":"2020-01-01","value":39.0346},{"date":"2021-01-01","value":-21.2195},{"date":"2022-01-01","value":15.9331},{"date":"2023-01-01","value":4.94915},{"date":"2024-01-01","value":15.7106},{"date":"2025-01-01","value":-11.5075}],"summary":{"latest_period":"2025-01-01","latest_value":-11.5075,"max":59.3963,"mean":6.52265,"min":-49.8853,"of":68,"rank":43,"trend":"volatile"}}