{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"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":0.027},{"date":"1967-01-01","value":-0.061},{"date":"1968-01-01","value":0.006},{"date":"1969-01-01","value":-0.014},{"date":"1970-01-01","value":0.016},{"date":"1971-01-01","value":-0.112},{"date":"1972-01-01","value":0.046},{"date":"1973-01-01","value":-0.009},{"date":"1974-01-01","value":0.069},{"date":"1975-01-01","value":-0.057},{"date":"1976-01-01","value":-0.074},{"date":"1977-01-01","value":0.115},{"date":"1978-01-01","value":-0.001},{"date":"1979-01-01","value":0.011},{"date":"1980-01-01","value":0.044},{"date":"1981-01-01","value":0.103},{"date":"1982-01-01","value":-0.048},{"date":"1983-01-01","value":0.00299999},{"date":"1984-01-01","value":0.015},{"date":"1985-01-01","value":-0.064},{"date":"1986-01-01","value":0.056},{"date":"1987-01-01","value":0.086},{"date":"1988-01-01","value":-0.07},{"date":"1989-01-01","value":-0.054},{"date":"1990-01-01","value":-0.039},{"date":"1991-01-01","value":-0.037},{"date":"1992-01-01","value":0.112},{"date":"1993-01-01","value":-0.087},{"date":"1994-01-01","value":0.092},{"date":"1995-01-01","value":-0.00800002},{"date":"1996-01-01","value":-0.099},{"date":"1997-01-01","value":0.066},{"date":"1998-01-01","value":0.084},{"date":"1999-01-01","value":-0.048},{"date":"2000-01-01","value":0.119},{"date":"2001-01-01","value":-0.019},{"date":"2002-01-01","value":-0.081},{"date":"2003-01-01","value":-0.113},{"date":"2004-01-01","value":0.07},{"date":"2005-01-01","value":-0.029},{"date":"2006-01-01","value":0.071},{"date":"2007-01-01","value":0.03},{"date":"2008-01-01","value":0.021},{"date":"2009-01-01","value":-0.082},{"date":"2010-01-01","value":-0.016},{"date":"2011-01-01","value":-0.116},{"date":"2012-01-01","value":0.161},{"date":"2013-01-01","value":0.023},{"date":"2014-01-01","value":-0.0878},{"date":"2015-01-01","value":0.0262},{"date":"2016-01-01","value":0.0516},{"date":"2017-01-01","value":-0.0999},{"date":"2018-01-01","value":0.0222},{"date":"2019-01-01","value":0.00970003},{"date":"2020-01-01","value":-0.0351},{"date":"2021-01-01","value":0.1512},{"date":"2022-01-01","value":-0.147},{"date":"2023-01-01","value":0.1312},{"date":"2024-01-01","value":0.1434},{"date":"2025-01-01","value":-0.174645}],"summary":{"latest_period":"2025-01-01","latest_value":-0.174645,"max":0.161,"mean":0.00165092,"min":-0.174645,"of":77,"rank":47,"trend":"volatile"}}