George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas
description
Transcript of George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas
![Page 1: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/1.jpg)
George A. Galleher, PEHydro Fleet Operations Duke Energy Carolinas
NC Drought Management CouncilDuke Energy Update
March 24, 2011
![Page 2: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/2.jpg)
Precipitation
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 LTA0.00
10.00
20.00
30.00
40.00
50.00
60.00
Duke Energy System Average Precipitation History 1999 - 2009 (YtD 2010)
Inches
105%
122%
For the period 11/1/09 – 3/30/10 precipitation has been 122% of LTA, 1/1 – 3/29/10 00% of LTA, with March being 77%.
![Page 3: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/3.jpg)
Precipitation
Only 2 years in the last 12 have had above long term average rainfall amounts. Is this a long term drought period?
105%
122%
![Page 4: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/4.jpg)
Precipitation: Departure from normal for the period Jan 1 – Mar 22, 2011
Note that Central North Carolina generally remains below average for precipitation in 2011.
![Page 5: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/5.jpg)
April – May Outlook 2011: Near normal conditions transitioning to drier conditions.
![Page 6: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/6.jpg)
Summer Forecast June – August 2011: Near normal conditions.
![Page 7: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/7.jpg)
Long Range Forecast July 2010: 10 to 30 % below Normal Precipitation.
![Page 8: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/8.jpg)
Fall Forecast September – October 2011: Below average conditions.
![Page 9: George A. Galleher, PE Hydro Fleet Operations Duke Energy Carolinas](https://reader036.fdocuments.us/reader036/viewer/2022062423/56814c52550346895db96635/html5/thumbnails/9.jpg)
Synopsis:• Below average conditions leading into spring• Not a lot of guidance on what the summer will bring though the fall looks to be dry.• Tropical season could have above normal activity.
Duke Energy Operations Summary:• Manage lakes to target levels.• Watch forecast signals.