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Hydropower Conditions

​​The Hydro Summary Reports provide a monthly analysis of Western Area Power Administrations​'s hydrological conditions such as reservoir levels, resulting generation forecasts, and probable purchase power forecasts. The first section of the report summarizes the hydro data for the regions and compares to last year's data. The next section of the report provides more detailed narrative information for each region.​  


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​2018 ​2017 2016 2015
October 2018 (173 kb pdf) October 2017 (600 kb pdf) October 2016 (162 kb pdf) October 2015 (132 kb pdf)
September 2018 (180 kb pdf) September 2017​ (600 kb pdf) September 2016 (573 kb pdf) September 2015 (119 kb pdf)
August 2018 (179 kb pdf)    August 2017 (599 kb pdf) August 2016 (570 kb pdf) August 2015 (156 kb pdf)
July 2018 (183 kb pdf) ​​July 2017 (575 kb pdf) July 2016​ (156 kb pdf) July 2015 (130 kb pdf)
June 2018 (179 kb pdf) ​​​June 2017 (579 kb pdf) June 2016 (574 kb pdf) June 2015 (138 kb pdf)
May 2018 (179 kb pdf) May 2017 (573 kb pdf) May 2016 (573 kb pdf) May 2015 (137 kb pdf)
April 2018 (179 kb pdf) April 2017 (577 kb pdf) April 2016 (155 kb pdf) April 2015 (114 kb pdf)​
March 2018 (177 kb pdf) March 2017 (576 kb pdf) March 2016 (154 kb pdf) March 2015 (113 kb pdf)​
February 2018 (176 kb pdf) February 2017 (576 kb pdf) February 2016 (154 kb pdf) February 2015 (113 kb pdf)​
January 2018 (177 kb pdf)​​ January 2017 (569 kb pdf)​ January 2016 (153 kb pdf) January 2015 (112 kb pdf)​
  

 

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