Plant retirements during reduction of 1,316 million gallons/day (MGD)], which represents a reduction of 18 percent when http://aep.com/investors/FinancialFilingsAndReports/Filings/docs/AEP_10K_2015.pdf http://ts.aepsustainability.com/environment/2015-nsr-annual-report.pdf http://ts.aepsustainability.com/performance/environmental/docs/2014-NSR-AnnualReport.pdf http://ts.aepsustainability.com/performance/environmental/docs/2013-NSR-AnnualReport.pdf http://ts.aepsustainability.com/performance/environmental/docs/2012-NSR-AnnualReport.pdf http://ts.aepsustainability.com/performance/environmental/docs/2011-NSR-AnnualReport.pdf http://ts.aepsustainability.com/performance/environmental/docs/2010-NSR-AnnualReport.pdf http://ts.aepsustainability.com/performance/environmental/docs/NSR2009-AnnualReport.pdf http://ts.aepsustainability.com/performance/environmental/docs/AnnualProgressReport-2008.pdf 2016 AEP Corporate Accountability Report 107 compared to 2014 water withdrawal.