{"entity":{"iso2":"ES","iso3":"ESP","name":"Spain","slug":"spain"},"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":38.4569},{"date":"1967-01-01","value":-16.8795},{"date":"1968-01-01","value":7.64003},{"date":"1969-01-01","value":25.4838},{"date":"1970-01-01","value":-9.25073},{"date":"1971-01-01","value":14.5614},{"date":"1972-01-01","value":11.4816},{"date":"1973-01-01","value":-18.4866},{"date":"1974-01-01","value":5.72773},{"date":"1975-01-01","value":-14.7311},{"date":"1976-01-01","value":-19.6931},{"date":"1977-01-01","value":89.3178},{"date":"1978-01-01","value":1.57212},{"date":"1979-01-01","value":15.2692},{"date":"1980-01-01","value":-36.3105},{"date":"1981-01-01","value":-25.7462},{"date":"1982-01-01","value":20.0027},{"date":"1983-01-01","value":2.71923},{"date":"1984-01-01","value":16.4048},{"date":"1985-01-01","value":-0.625716},{"date":"1986-01-01","value":-15.3195},{"date":"1987-01-01","value":3.35548},{"date":"1988-01-01","value":28.7149},{"date":"1989-01-01","value":-45.103},{"date":"1990-01-01","value":31.3453},{"date":"1991-01-01","value":7.35027},{"date":"1992-01-01","value":-30.6502},{"date":"1993-01-01","value":28.8425},{"date":"1994-01-01","value":15.6008},{"date":"1995-01-01","value":-17.9844},{"date":"1996-01-01","value":72.2136},{"date":"1997-01-01","value":-12.6225},{"date":"1998-01-01","value":-2.22267},{"date":"1999-01-01","value":-32.7658},{"date":"2000-01-01","value":29.3356},{"date":"2001-01-01","value":38.7453},{"date":"2002-01-01","value":-44.1343},{"date":"2003-01-01","value":79.1187},{"date":"2004-01-01","value":-22.8431},{"date":"2005-01-01","value":-43.5787},{"date":"2006-01-01","value":44.8635},{"date":"2007-01-01","value":5.18733},{"date":"2008-01-01","value":-13.5901},{"date":"2009-01-01","value":11.9857},{"date":"2010-01-01","value":59.5132},{"date":"2011-01-01","value":-27.2142},{"date":"2012-01-01","value":-32.8507},{"date":"2013-01-01","value":79.0212},{"date":"2014-01-01","value":6.49568},{"date":"2015-01-01","value":-28.1575},{"date":"2016-01-01","value":29.302},{"date":"2017-01-01","value":-49.6449},{"date":"2018-01-01","value":87.3922},{"date":"2019-01-01","value":-34.5078},{"date":"2020-01-01","value":35.6694},{"date":"2021-01-01","value":-2.887},{"date":"2022-01-01","value":-40.6265},{"date":"2023-01-01","value":42.1035},{"date":"2024-01-01","value":37.6809},{"date":"2025-01-01","value":-1.9447}],"summary":{"latest_period":"2025-01-01","latest_value":-1.9447,"max":89.3178,"mean":6.36839,"min":-49.6449,"of":68,"rank":30,"trend":"volatile"}}