rowid,country,country_long,name,gppd_idnr,capacity_mw,latitude,longitude,primary_fuel,other_fuel1,other_fuel2,other_fuel3,commissioning_year,owner,source,url,geolocation_source,wepp_id,year_of_capacity_data,generation_gwh_2013,generation_gwh_2014,generation_gwh_2015,generation_gwh_2016,generation_gwh_2017,generation_gwh_2018,generation_gwh_2019,generation_data_source,estimated_generation_gwh_2013,estimated_generation_gwh_2014,estimated_generation_gwh_2015,estimated_generation_gwh_2016,estimated_generation_gwh_2017,estimated_generation_note_2013,estimated_generation_note_2014,estimated_generation_note_2015,estimated_generation_note_2016,estimated_generation_note_2017 147,ARG,Argentina,CT ALUMINE,ARG0000256,6.3,-38.8706,-70.5753,Oil,,,,,INDUSTRIAS JUAN F. SECCO,Ministerio de Energía y Minería,http://energia3.mecon.gov.ar/contenidos/archivos/Reorganizacion/informacion_del_mercado/publicaciones/mercado_electrico/estadisticosectorelectrico/2015/A1.POT_GEN_COMB_POR_CENTRAL_2015.xlsx,Ministerio de Energía y Minería,,2015,,,,,,,,,,,,,28.54,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 281,ARG,Argentina,PARQUE EOLICO DIADEMA,ARG0000081,6.3,-45.7458,-67.6953,Wind,,,,,HYCHICO SA,Ministerio de Energía y Minería,http://energia3.mecon.gov.ar/contenidos/archivos/Reorganizacion/informacion_del_mercado/publicaciones/mercado_electrico/estadisticosectorelectrico/2015/A1.POT_GEN_COMB_POR_CENTRAL_2015.xlsx,Ministerio de Energía y Minería,,2015,,,,,,,,,,,,,39.58,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 292,ARG,Argentina,PIEDRAS MORAS,ARG0000099,6.3,-32.1675,-64.2438,Hydro,,,,1995.0,EPEC,Ministerio de Energía y Minería,http://energia3.mecon.gov.ar/contenidos/archivos/Reorganizacion/informacion_del_mercado/publicaciones/mercado_electrico/estadisticosectorelectrico/2015/A1.POT_GEN_COMB_POR_CENTRAL_2015.xlsx,Ministerio de Energía y Minería,1015808,2015,,,,,,,,,16.23,18.28,18.8,21.7,18.44,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 1206,BRA,Brazil,Alhandra,BRA0029112,6.3,-7.2731,-34.9344,Wind,,,,2011.0,,Agência Nacional de Energia Elétrica (Brazil),http://www2.aneel.gov.br/aplicacoes/capacidadebrasil/capacidadebrasil.cfm,Agência Nacional de Energia Elétrica (Brazil),1080248,2017,,,,,,,,,23.19,20.15,18.4,15.18,14.79,WIND-V1,WIND-V1,WIND-V1,WIND-V1,WIND-V1 2348,BRA,Brazil,Lábrea,BRA0001291,6.3,-7.2618,-64.7841,Oil,,,,1993.0,,Agência Nacional de Energia Elétrica (Brazil),http://www2.aneel.gov.br/aplicacoes/capacidadebrasil/capacidadebrasil.cfm,Agência Nacional de Energia Elétrica (Brazil),,2017,,,,,,,,,,,,,12.44,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 3043,BRA,Brazil,Senador Jonas Pinheiro (Caeté),BRA0028393,6.3,-16.1167,-55.3667,Hydro,,,,2006.0,,Agência Nacional de Energia Elétrica (Brazil),http://www2.aneel.gov.br/aplicacoes/capacidadebrasil/capacidadebrasil.cfm,Agência Nacional de Energia Elétrica (Brazil),1063466,2017,,,,,,,,,21.84,29.1,27.48,28.56,24.72,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 3754,CAN,Canada,Cape Broyle,CAN0007724,6.3,47.0959,-52.9372,Hydro,,,,,,Natural Resources Canada,ftp://ftp.maps.canada.ca/pub/nacei_cnaie/energy_infrastructure/PowerPlantsRenewGE1MW_NorthAmerica_201708.xlsx,Natural Resources Canada,27697,2014,,,,,,,,,14.9,14.9,14.9,14.94,14.9,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 9805,CZE,Czech Republic,Velké Těšany Solar Power Plant,WRI1029759,6.3,49.2539,17.3991,Solar,,,,,REN Power CZ as,Ren Power,http://www.renpower.eu,Industry About,,,,,,,,,,,8.48,9.36,9.31,8.92,8.79,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 10120,FIN,Finland,Harjavalta,WRI1002330,6.3,61.3167,22.1333,Oil,,,,,Suomen Teollisuuden Energiapalvelut - STEP Oy,Finnish Energy Authority,http://www.energiavirasto.fi/en/voimalaitosrekisteri,CARMA,1025083,,,,,,,,,,,,,,0.79,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 10126,FIN,Finland,Hinkua,WRI1002338,6.3,63.75,25.3333,Hydro,,,,,Vattenfall Sähköntuotanto oy,Finnish Energy Authority,http://www.energiavirasto.fi/en/voimalaitosrekisteri,CARMA,1027384,,,,,,,,,,23.35,24.31,23.14,21.57,23.16,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 10690,FRA,France,Champsanglard,WRI1024810,6.3,46.2801,1.8891,Hydro,,,,,,Open Power System Data,http://data.open-power-system-data.org/renewable_power_plants/2016-10-21/,Open Power System Data,1014718,,,,,,,,,,22.45,21.32,23.53,22.37,23.46,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 10794,FRA,France,Couëron,WRI1024812,6.3,47.2305,-1.7304,Biomass,,,,,,Open Power System Data,http://data.open-power-system-data.org/renewable_power_plants/2016-10-21/,Open Power System Data,,,,,,,,,,,,,,,,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION 11541,FRA,France,Montereau-Fault-Yonne,WRI1024813,6.3,48.3901,2.9618,Biomass,,,,,,Open Power System Data,http://data.open-power-system-data.org/renewable_power_plants/2016-10-21/,Open Power System Data,,,,,,,,,,,,,,,,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION 12335,FRA,France,Vaufrey,WRI1024811,6.3,47.3405,6.9306,Hydro,,,,,,Open Power System Data,http://data.open-power-system-data.org/renewable_power_plants/2016-10-21/,Open Power System Data,1015119,,,,,,,,,,19.91,23.2,25.16,23.26,24.87,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 12630,DEU,Germany,Breitenfeld I,WKS0061474,6.3,51.404,12.361,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,8.87,9.22,9.38,9.42,9.37,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 12655,DEU,Germany,Cahnsdorf III,WKS0069648,6.3,51.855,13.775,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,9.27,9.22,9.21,9.4,9.36,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 12718,DEU,Germany,D�bern Solar Power Plant,WRI1030119,6.3,51.6126,14.6169,Solar,,,,,,SYBAC Solar GmbH,http://www.sybac-solar.de,Industry About,,,,,,,,,,,9.07,9.22,9.22,9.4,9.35,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 12806,DEU,Germany,Fuchsberg II,WKS0072082,6.3,52.838,11.207,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,9.07,9.22,9.39,9.41,9.39,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 13046,DEU,Germany,Hölzengraben,WKS0063301,6.3,48.7712,12.1749,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,8.49,9.42,9.41,8.92,8.99,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 13300,DEU,Germany,Mühlhausen Bavaria,WKS0060262,6.3,49.159,11.434,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,8.56,9.34,9.38,8.9,8.87,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 13338,DEU,Germany,Neuenreuth,WKS0060258,6.3,50.0354,11.4849,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,8.67,9.38,9.29,8.81,8.74,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 15819,IDN,Indonesia,Wonorejo - Pamekasan,WRI1001046,6.3,-8.1136,112.2869,Hydro,,,,,PLN - Java Bali Generation Unit / PT. PJB,Indonesia Power Generation,https://repit.wordpress.com/,CARMA,1055424,,,,,,,,,,24.89,17.37,21.45,26.43,24.77,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 16030,ISR,Israel,Grofit ,WKS0061889,6.3,29.9358,35.0667,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,11.7,11.92,12.32,12.2,12.18,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 16037,ISR,Israel,Kerem Shalom,WKS0061881,6.3,31.2264,34.2882,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,11.63,12.06,11.83,12.04,11.85,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 16062,ISR,Israel,Shoval ,WKS0061891,6.3,31.4089,34.7357,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,12.99,12.89,12.07,13.06,12.66,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 16204,ITA,Italy,Fosca,WKS0068367,6.3,40.312,17.998,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,11.49,11.77,11.92,11.74,12.28,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 16286,ITA,Italy,Mesagne 1,WKS0060255,6.3,40.533,17.89,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,11.96,11.57,11.86,11.67,12.09,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 18676,PRT,Portugal,Baião,WRI1023290,6.3,41.1867,-7.9593,Wind,,,,2009.0,,Energias Endogenas de Portugal,http://e2p.inegi.up.pt/index.asp,Energias Endogenas de Portugal,,,,,,310.059,204.257,,,JRC-PPDB-OPEN,19.16,17.58,14.47,15.17,14.29,WIND-V1,WIND-V1,WIND-V1,WIND-V1,WIND-V1 20181,ESP,Spain,Alhama,WKS0060259,6.3,37.8483,-1.3416,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,13.65,12.9,12.29,12.27,13.7,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 20479,ESP,Spain,Magec de Abona,WKS0060264,6.3,28.1408,-16.4622,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,14.55,14.65,14.6,14.72,14.55,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 20485,ESP,Spain,Mazarrón,WKS0060256,6.3,37.642,-1.348,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,13.66,13.6,12.52,12.51,13.18,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 20930,ESP,Spain,Trajano A,WKS0067647,6.3,37.092,-5.875,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,13.38,12.47,12.71,12.78,12.07,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 21801,TUR,Turkey,Sarıoğlan,WKS0068671,6.3,39.064,36.0549,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,11.23,11.46,11.62,11.23,11.54,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 22447,GBR,United Kingdom,Chalcroft Solar Park,GBR0001157,6.3,50.9494,-1.3079,Solar,,,,,Chalcroft Solar Park,UK Renewable Energy Planning Database,https://www.gov.uk/government/collections/renewable-energy-planning-data,UK Renewable Energy Planning Database,1101550,,,,,,,,,,9.29,9.53,9.43,9.46,9.61,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 22884,GBR,United Kingdom,Four Burrows,WKS0061246,6.3,50.29,-5.146,Solar,,,,,,Wiki-Solar,https://www.wiki-solar.org,Wiki-Solar,,,,,,,,,,,9.5,9.77,9.88,9.84,10.02,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 22886,GBR,United Kingdom,Four Burrows Farm (Extension 2),GBR0001655,6.3,50.2917,-5.1392,Solar,,,,,RES UK & Ireland Limited,UK Renewable Energy Planning Database,https://www.gov.uk/government/collections/renewable-energy-planning-data,UK Renewable Energy Planning Database,,,,,,,,,,,9.5,9.77,9.88,9.84,10.02,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 23616,GBR,United Kingdom,Manor Farm (Wiltshire) - resubmission,GBR0001923,6.3,51.4095,-2.2189,Solar,,,,,RB & T Barton Ltd,UK Renewable Energy Planning Database,https://www.gov.uk/government/collections/renewable-energy-planning-data,UK Renewable Energy Planning Database,,,,,,,,,,,9.48,9.27,9.37,9.46,9.44,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 23632,GBR,United Kingdom,Marley Thatch Solar Farm,GBR0001467,6.3,50.4248,-3.8093,Solar,,,,,TGC Renewables,UK Renewable Energy Planning Database,https://www.gov.uk/government/collections/renewable-energy-planning-data,UK Renewable Energy Planning Database,1101554,,,,,,,,,,9.44,9.39,9.45,9.47,9.69,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE,SOLAR-V1-NO-AGE 25144,USA,United States of America,Argonne National Laboratory CHP,USA0060742,6.3,41.7165,-87.9706,Gas,,,,2016.0,Argonne National Laboratory,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,,2019,,,,13.261,35.51422,7.606,31.033,U.S. Energy Information Administration,,,,,22.21,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 26891,USA,United States of America,DG AMP 1048 Wadsworth,USA0062942,6.3,41.0128,-81.7643,Solar,,,,2020.0,DG AMP Solar LLC,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,,2019,,,,,,,0.0,U.S. Energy Information Administration,,,,,10.26,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 26959,USA,United States of America,Dartmouth,USA0058682,6.3,41.6761,-70.9969,Solar,,,,2014.0,Mass Solar LLC,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,,2019,,7.462,9.50499,9.477,8.798,8.254,8.962,U.S. Energy Information Administration,,10.16,10.59,10.08,10.48,NO-ESTIMATION,SOLAR-V1,SOLAR-V1,SOLAR-V1,SOLAR-V1 27067,USA,United States of America,Desert Green Solar Farm LLC,USA0057959,6.3,33.2706,-116.3481,Solar,,,,2014.0,Invenergy Services LLC,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,63416,2019,,0.961,15.465,14.189,13.437,13.485,15.478,U.S. Energy Information Administration,,13.65,14.8,13.81,14.45,NO-ESTIMATION,SOLAR-V1,SOLAR-V1,SOLAR-V1,SOLAR-V1 27168,USA,United States of America,Douglas County Forest Products,USA0061761,6.3,43.2898,-123.3616,Waste,,,,2007.0,Douglas County Forest Products,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,,2019,,,,,28.076,27.929,17.739,U.S. Energy Information Administration,,,,,1.14,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 30689,USA,United States of America,Newark America Mill,USA0057103,6.3,42.561,-71.8488,Gas,Oil,,,2007.0,Newark America,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,65254,2019,0.0,0.0,0.0,0.0,0.0,0.0,0.0,U.S. Energy Information Administration,,,,,22.21,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 31374,USA,United States of America,Peterson,USA0003720,6.3,44.6381,-73.1625,Hydro,,,,1948.0,Green Mountain Power Corp,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,15970,2019,28.632,25.636,24.993,24.366,27.851,25.178,16.192,U.S. Energy Information Administration,22.01,24.46,19.06,22.12,20.58,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1,HYDRO-V1 32187,USA,United States of America,SFDK Solar,USA0062649,6.3,38.1322,-122.232,Solar,,,,2020.0,Sustainable Power Group LLC,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,,2019,,,,,,,0.069,U.S. Energy Information Administration,,,,,10.26,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 32953,USA,United States of America,State Center,USA0001187,6.3,42.0167,-93.1633,Oil,Gas,,,1985.873015873016,City of State Center - (IA),U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,33606,2019,0.062,0.0619999999999999,0.104,0.158,0.09,0.126,0.1169999999999999,U.S. Energy Information Administration,,,,,3.69,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1 33844,USA,United States of America,Virginia Tech Power Plant,USA0056785,6.3,37.2319,-80.4211,Gas,Coal,Oil,,1976.0,Virginia Polytechnic Inst and State Unv,U.S. Energy Information Administration,http://www.eia.gov/electricity/data/browser/,U.S. Energy Information Administration,,2019,10.061,27.92436,25.17,16.65,20.948,21.78,20.569,U.S. Energy Information Administration,,,,,22.21,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,NO-ESTIMATION,CAPACITY-FACTOR-V1