{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"primary-energy-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/primary-energy-hydro","title":"Primary energy from hydropower","unit":"terawatt-hours"},"observations":[{"date":"1965-01-01","value":0.896},{"date":"1966-01-01","value":0.896},{"date":"1967-01-01","value":0.957},{"date":"1968-01-01","value":1.005},{"date":"1969-01-01","value":0.81},{"date":"1970-01-01","value":1.771},{"date":"1971-01-01","value":1.569},{"date":"1972-01-01","value":1.503},{"date":"1973-01-01","value":1.456},{"date":"1974-01-01","value":2.122},{"date":"1975-01-01","value":1.99},{"date":"1976-01-01","value":1.645},{"date":"1977-01-01","value":1.957},{"date":"1978-01-01","value":1.951},{"date":"1979-01-01","value":1.807},{"date":"1980-01-01","value":2.349},{"date":"1981-01-01","value":2.137},{"date":"1982-01-01","value":1.543},{"date":"1983-01-01","value":1.675},{"date":"1984-01-01","value":1.408},{"date":"1985-01-01","value":1.852},{"date":"1986-01-01","value":1.549},{"date":"1987-01-01","value":1.661},{"date":"1988-01-01","value":1.793},{"date":"1989-01-01","value":1.609},{"date":"1990-01-01","value":1.417},{"date":"1991-01-01","value":1.425},{"date":"1992-01-01","value":1.507},{"date":"1993-01-01","value":1.488},{"date":"1994-01-01","value":1.733},{"date":"1995-01-01","value":1.887},{"date":"1996-01-01","value":1.931},{"date":"1997-01-01","value":1.961},{"date":"1998-01-01","value":2.309},{"date":"1999-01-01","value":2.155},{"date":"2000-01-01","value":2.106},{"date":"2001-01-01","value":2.325},{"date":"2002-01-01","value":2.279},{"date":"2003-01-01","value":1.671},{"date":"2004-01-01","value":2.082},{"date":"2005-01-01","value":2.201},{"date":"2006-01-01","value":2.042},{"date":"2007-01-01","value":2.352},{"date":"2008-01-01","value":2.153},{"date":"2009-01-01","value":2.375},{"date":"2010-01-01","value":2.92},{"date":"2011-01-01","value":2.332},{"date":"2012-01-01","value":2.037},{"date":"2013-01-01","value":2.439},{"date":"2014-01-01","value":2.183},{"date":"2015-01-01","value":1.832},{"date":"2016-01-01","value":2.139},{"date":"2017-01-01","value":2.56},{"date":"2018-01-01","value":1.97},{"date":"2019-01-01","value":1.95842},{"date":"2020-01-01","value":2.11834},{"date":"2021-01-01","value":2.33918},{"date":"2022-01-01","value":1.96819},{"date":"2023-01-01","value":2.40951},{"date":"2024-01-01","value":2.11453},{"date":"2025-01-01","value":1.52649}],"summary":{"latest_period":"2025-01-01","latest_value":1.52649,"max":2.92,"mean":1.87142,"min":0.81,"of":77,"rank":55,"trend":"rising"}}