{"entity":{"iso2":"NO","iso3":"NOR","name":"Norway","slug":"norway"},"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":-0.708},{"date":"1967-01-01","value":4.557},{"date":"1968-01-01","value":6.904},{"date":"1969-01-01","value":-2.834},{"date":"1970-01-01","value":0.437},{"date":"1971-01-01","value":5.437},{"date":"1972-01-01","value":4.172},{"date":"1973-01-01","value":5.45},{"date":"1974-01-01","value":3.73},{"date":"1975-01-01","value":0.733002},{"date":"1976-01-01","value":4.603},{"date":"1977-01-01","value":-9.911},{"date":"1978-01-01","value":8.684},{"date":"1979-01-01","value":7.99201},{"date":"1980-01-01","value":-5.08501},{"date":"1981-01-01","value":9.221},{"date":"1982-01-01","value":-0.334999},{"date":"1983-01-01","value":13.189},{"date":"1984-01-01","value":0.214996},{"date":"1985-01-01","value":-3.52},{"date":"1986-01-01","value":-6.18199},{"date":"1987-01-01","value":7.072},{"date":"1988-01-01","value":5.58399},{"date":"1989-01-01","value":9.54301},{"date":"1990-01-01","value":2.745},{"date":"1991-01-01","value":-11.011},{"date":"1992-01-01","value":6.53699},{"date":"1993-01-01","value":2.562},{"date":"1994-01-01","value":-7.59},{"date":"1995-01-01","value":9.887},{"date":"1996-01-01","value":-17.668},{"date":"1997-01-01","value":5.913},{"date":"1998-01-01","value":5.92799},{"date":"1999-01-01","value":5.749},{"date":"2000-01-01","value":20.366},{"date":"2001-01-01","value":-21.355},{"date":"2002-01-01","value":8.909},{"date":"2003-01-01","value":-23.892},{"date":"2004-01-01","value":3.301},{"date":"2005-01-01","value":26.907},{"date":"2006-01-01","value":-16.319},{"date":"2007-01-01","value":14.287},{"date":"2008-01-01","value":5.38799},{"date":"2009-01-01","value":-13.761},{"date":"2010-01-01","value":-8.54401},{"date":"2011-01-01","value":3.54},{"date":"2012-01-01","value":21.445},{"date":"2013-01-01","value":-13.586},{"date":"2014-01-01","value":7.328},{"date":"2015-01-01","value":1.836},{"date":"2016-01-01","value":5.505},{"date":"2017-01-01","value":-0.44101},{"date":"2018-01-01","value":-3.39485},{"date":"2019-01-01","value":-13.6816},{"date":"2020-01-01","value":15.6343},{"date":"2021-01-01","value":3.04141},{"date":"2022-01-01","value":-15.7254},{"date":"2023-01-01","value":8.47398},{"date":"2024-01-01","value":2.83572},{"date":"2025-01-01","value":5.59949}],"summary":{"latest_period":"2025-01-01","latest_value":5.59949,"max":26.907,"mean":1.59495,"min":-23.892,"of":77,"rank":5,"trend":"volatile"}}