{"entity":{"iso2":"RO","iso3":"ROU","name":"Romania","slug":"romania"},"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":0.03},{"date":"1967-01-01","value":0.441},{"date":"1968-01-01","value":0.0860001},{"date":"1969-01-01","value":0.655},{"date":"1970-01-01","value":0.556},{"date":"1971-01-01","value":1.722},{"date":"1972-01-01","value":2.848},{"date":"1973-01-01","value":0.204},{"date":"1974-01-01","value":0.929},{"date":"1975-01-01","value":0.884999},{"date":"1976-01-01","value":-1.254},{"date":"1977-01-01","value":1.238},{"date":"1978-01-01","value":1.269},{"date":"1979-01-01","value":0.725},{"date":"1980-01-01","value":1.298},{"date":"1981-01-01","value":0.1},{"date":"1982-01-01","value":-0.883},{"date":"1983-01-01","value":-1.816},{"date":"1984-01-01","value":1.288},{"date":"1985-01-01","value":1.387},{"date":"1986-01-01","value":-1.903},{"date":"1987-01-01","value":0.399},{"date":"1988-01-01","value":3.567},{"date":"1989-01-01","value":-1.098},{"date":"1990-01-01","value":-2.267},{"date":"1991-01-01","value":3.177},{"date":"1992-01-01","value":-2.888},{"date":"1993-01-01","value":1.068},{"date":"1994-01-01","value":0.278},{"date":"1995-01-01","value":3.647},{"date":"1996-01-01","value":-0.938001},{"date":"1997-01-01","value":1.754},{"date":"1998-01-01","value":1.37},{"date":"1999-01-01","value":-0.589001},{"date":"2000-01-01","value":-3.512},{"date":"2001-01-01","value":0.145},{"date":"2002-01-01","value":1.123},{"date":"2003-01-01","value":-2.787},{"date":"2004-01-01","value":3.254},{"date":"2005-01-01","value":3.694},{"date":"2006-01-01","value":-1.851},{"date":"2007-01-01","value":-2.39},{"date":"2008-01-01","value":1.229},{"date":"2009-01-01","value":-1.661},{"date":"2010-01-01","value":4.349},{"date":"2011-01-01","value":-5.155},{"date":"2012-01-01","value":-2.662},{"date":"2013-01-01","value":2.7275},{"date":"2014-01-01","value":3.73},{"date":"2015-01-01","value":-1.8905},{"date":"2016-01-01","value":1.395},{"date":"2017-01-01","value":-3.534},{"date":"2018-01-01","value":3.1699},{"date":"2019-01-01","value":-2.08298},{"date":"2020-01-01","value":-0.200065},{"date":"2021-01-01","value":2.03108},{"date":"2022-01-01","value":-3.4353},{"date":"2023-01-01","value":4.1601},{"date":"2024-01-01","value":-3.94427},{"date":"2025-01-01","value":-2.05977}],"summary":{"latest_period":"2025-01-01","latest_value":-2.05977,"max":4.349,"mean":0.185461,"min":-5.155,"of":77,"rank":65,"trend":"volatile"}}