{"entity":{"iso2":"ZA","iso3":"ZAF","name":"South Africa","slug":"south-africa"},"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":-2.70271},{"date":"1967-01-01","value":-27.7778},{"date":"1968-01-01","value":-7.69231},{"date":"1969-01-01","value":-12.5},{"date":"1970-01-01","value":19.0476},{"date":"1971-01-01","value":348.0},{"date":"1972-01-01","value":644.643},{"date":"1973-01-01","value":18.1055},{"date":"1974-01-01","value":14.9239},{"date":"1975-01-01","value":-1.06007},{"date":"1976-01-01","value":67.5},{"date":"1977-01-01","value":3.62473},{"date":"1978-01-01","value":-1.90329},{"date":"1979-01-01","value":-40.0105},{"date":"1980-01-01","value":-13.2867},{"date":"1981-01-01","value":66.6331},{"date":"1982-01-01","value":-38.536},{"date":"1983-01-01","value":-41.437},{"date":"1984-01-01","value":-5.88236},{"date":"1985-01-01","value":11.4286},{"date":"1986-01-01","value":160.096},{"date":"1987-01-01","value":-0.369681},{"date":"1988-01-01","value":95.5473},{"date":"1989-01-01","value":-12.7451},{"date":"1990-01-01","value":-63.3925},{"date":"1991-01-01","value":96.0396},{"date":"1992-01-01","value":-62.0202},{"date":"1993-01-01","value":-80.5851},{"date":"1994-01-01","value":635.616},{"date":"1995-01-01","value":-50.7449},{"date":"1996-01-01","value":149.338},{"date":"1997-01-01","value":58.605},{"date":"1998-01-01","value":-23.7572},{"date":"1999-01-01","value":-54.4828},{"date":"2000-01-01","value":51.6529},{"date":"2001-01-01","value":56.3125},{"date":"2002-01-01","value":21.0924},{"date":"2003-01-01","value":-60.2969},{"date":"2004-01-01","value":14.8085},{"date":"2005-01-01","value":40.2132},{"date":"2006-01-01","value":117.549},{"date":"2007-01-01","value":-1.10435},{"date":"2008-01-01","value":-56.0437},{"date":"2009-01-01","value":15.2427},{"date":"2010-01-01","value":-21.2673},{"date":"2011-01-01","value":168.075},{"date":"2012-01-01","value":-66.7569},{"date":"2013-01-01","value":8.3854},{"date":"2014-01-01","value":62.6084},{"date":"2015-01-01","value":-59.3328},{"date":"2016-01-01","value":-14.5205},{"date":"2017-01-01","value":24.359},{"date":"2018-01-01","value":39.264},{"date":"2019-01-01","value":-37.4118},{"date":"2020-01-01","value":12.6242},{"date":"2021-01-01","value":107.192},{"date":"2022-01-01","value":98.8495},{"date":"2023-01-01","value":-36.5366},{"date":"2024-01-01","value":-46.0506},{"date":"2025-01-01","value":67.0293}],"summary":{"latest_period":"2025-01-01","latest_value":67.0293,"max":644.643,"mean":39.2367,"min":-80.5851,"of":68,"rank":1,"trend":"volatile"}}
