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["Summary of Sustainment OM&A ($ Millions)","Description","Historical",null,null,null,null,null,null,null,"Bridge","Test"]
[null,null,2015,null,2016,null,2017,null,2018,null,2019,2020]
[null,null,"Actual","Plan","Actual","Plan","Actual","Plan","Actual","Plan","Forecast","Forecast"]
[null,"Stations",175,169,159.30000000000001,171.6,162.69999999999999,178.5,161.4,174.8,145.69999999999999,155.4]
[null,"Lines",52.6,57.8,51.4,58.8,51.5,59.8,63.8,60.8,47.7,53.4]
[null,"Engineering and Environmental Support",6,11.9,4.4000000000000004,10.8,4,2.9,4.0999999999999996,2.9,7.2,5.3]
[null,"Total Sustainment ",233.6,238.7,215.1,241.1,218.1,241.2,229.4,238.5,200.6,214.2]
["Stations Sustainment OM&A ($ Millions)","Description","Historical Years",null,null,null,null,null,null,null,"Bridge Year","Test"]
[null,null,null,null,null,null,null,null,null,null,null,"Year"]
[null,null,2015,null,2016,null,2017,null,2018,null,2019,2020]
[null,null,"Actual",null,"Actual",null,"Actual",null,"Actual",null,"Forecast","Forecast"]
[null,"Land Assessment and Remediation",3.6,null,2.9,null,1.8,null,1.3,null,1,1.5]
[null,"Environmental Management",9.8000000000000007,null,9.3000000000000007,null,16.7,null,13.9,null,14.8,22.1]
[null,"Power Equipment Maintenance",64.5,null,55.3,null,56.5,null,60.1,null,47.1,50.7]
[null,"Ancillary Systems Maintenance",9.1999999999999993,null,9.1999999999999993,null,8.5,null,8.3000000000000007,null,8.6,8.8000000000000007]
[null,"Protection, Automation and Telecom Maintenance",42.7,null,40.799999999999997,null,41.6,null,40.6,null,39,35.4]
[null,"Site Infrastructure Maintenance",24,null,22.6,null,22.6,null,22.7,null,19.899999999999999,21.3]
[null,"Cyber Security Management",21.2,null,19.2,null,14.9,null,14.6,null,15.3,15.6]
[null,"Total",175,null,159.30000000000001,null,162.69999999999999,null,161.4,null,145.69999999999999,155.4]
["Environmental Management OM&A ($ Millions)","PCB Retirement and Waste Management",5.3,null,4.3,null,7.4,null,6.9,null,7.7,14.6]
[null,"Transformer Oil Leak Reduction",0.9,null,2.2999999999999998,null,4.0999999999999996,null,3,null,2.5,2.5]
[null,"Preventive and Corrective Maintenance",2.7,null,1.8,null,3.4,null,2.6,null,1.7,1.7]
[null,"Environmental Compliance and Emergency Response Plan Updates",1,null,0.9,null,1.8,null,1.4,null,2.9,3.3]
[null,"Total",9.8000000000000007,null,9.3000000000000007,null,16.7,null,13.9,null,14.8,22.1]
["Power Equipment Maintenance OM&A ($ Millions)","Preventive Maintenance",21.1,null,21.1,null,20.6,null,19.399999999999999,null,15.2,17.600000000000001]
[null,"Corrective Maintenance",28.7,null,23.6,null,25.4,null,30,null,24.1,24.5]
[null,"500kV Autotransformer Refurbishments",2,null,1.1000000000000001,null,1.7,null,0,null,0,0]
[null,"Transformer Refurbishments",5.8,null,3.6,null,4.4000000000000004,null,4.9000000000000004,null,2.4,3.9]
[null,"Breaker Refurbishment",3.6,null,2.8,null,1.7,null,3.9,null,2.6,2.6]
[null,"Other Maintenance and Inspection Programs",3.4,null,2.9,null,2.7,null,1.9,null,2.8,2.1]
[null,"Total",64.5,null,55.2,null,56.5,null,60.1,null,47.1,50.7]
["Ancillary Systems Maintenance OM&A ($ Millions)","Preventive Maintenance",4.4000000000000004,null,4.5999999999999996,null,4.3,null,4.0999999999999996,null,4.0999999999999996,4]
[null,"Corrective Maintenance",3.6,null,3.5,null,3.3,null,3.6,null,3.1,3.1]
[null,"Other Maintenance Programs",1.2,null,1.2,null,0.9,null,0.6,null,1.3,1.7]
[null,"Total",9.1999999999999993,null,9.1999999999999993,null,8.5,null,8.3000000000000007,null,8.6,8.8000000000000007]
["Protection, Automation and Telecom OM&A ($ Millions)","Protection and Automation",19.600000000000001,null,17.7,null,18,null,16.399999999999999,null,15.9,14]
[null,"Telecom ",23.1,null,23,null,23.5,null,24.2,null,22.9,21.5]
[null,"Total",42.7,null,40.700000000000003,null,41.5,null,40.6,null,38.799999999999997,35.5]
["Protection and Automation OM&A ($ Millions)","Preventive Maintenance",3.3,null,2.6,null,3.2,null,2.7,null,3.6,3.8]
[null,"Corrective Maintenance",7.6,null,6.2,null,6.9,null,7.2,null,6.3,6.9]
[null,"Support Processes and Systems ",8.6999999999999993,null,8.9,null,7.9,null,6.6,null,6,3.3]
[null,"Total",19.600000000000001,null,17.7,null,18,null,16.399999999999999,null,15.9,14]
["Power System Telecom OM&A ($ Millions)","Preventive and Corrective Maintenance",5.0999999999999996,null,3.4,null,3.8,null,4.3,null,4.7,4.4000000000000004]
[null,"Leased Telecommunication Circuits for Power System",9.1,null,10.4,null,10.4,null,10.5,null,10.8,11]
[null,"Operation of Power System Telecom Services",8.9,null,9.3000000000000007,null,9.1999999999999993,null,9.4,null,7.4,6.1]
[null,"Total",23.1,null,23,null,23.5,null,24.2,null,22.9,21.5]
["Site Infrastructure Maintenance OM&A ($ Millions)","Facilities/",21.6,null,20.399999999999999,null,20.399999999999999,null,20.5,null,17.899999999999999,19.399999999999999]
[null,"Infrastructure Maintenance"]
[null,"Grounds Maintenance",0.7,null,0.7,null,0.7,null,0.6,null,0.5,0.5]
[null,"Site Perimeter Maintenance",1.7,null,1.4,null,1.5,null,1.6,null,1.4,1.4]
[null,"Total",24,null,22.6,null,22.6,null,22.7,null,19.8,21.3]
["Cyber Security OM&A ($ Millions)","Cyber Security Maintenance and Support",11.1,null,8.6,null,10.8,null,9.8000000000000007,null,10.5,11.7]
[null,"Cyber Security Vulnerability Assessment and Audit",0.1,null,0.4,null,1.7,null,0.6,null,0.4,0.5]
[null,"Special Compliance Related Projects",10,null,10.3,null,2.4,null,4.2,null,4.4000000000000004,3.4]
[null,"Total",21.2,null,19.2,null,14.9,null,14.6,null,15.3,15.6]
["Lines Sustainment OM&A ($ Millions)","Vegetation Management",32.6,null,31.2,null,29.4,null,37.299999999999997,null,29.7,31.9]
[null,"Overhead Lines Maintenance",15.9,null,16.399999999999999,null,17.3,null,18.899999999999999,null,14,17.2]
[null,"Underground Cable Maintenance",4.0999999999999996,null,3.8,null,4.8,null,7.6,null,4.0999999999999996,4.4000000000000004]
[null,"Total",52.6,null,51.4,null,51.5,null,63.8,null,47.7,53.4]
["Vegetation Management OM&A ($ Millions) ","Brush Control",17.8,null,18.7,null,16.3,null,20.100000000000001,null,17.399999999999999,18.5]
[null,"Line Clearing",8.4,null,6.2,null,5.9,null,8.6999999999999993,null,6.2,6.6]
[null,"Condition Patrol",1.7,null,1.6,null,1.7,null,1.3,null,1.3,1.4]
[null,"Property Owner Notifications",1.4,null,1.3,null,1.6,null,2.4,null,1.4,1.6]
[null,"Annual Vegetation Patrol",0.3,null,0.4,null,0.5,null,1,null,0.4,0.4]
[null,"Demand Maintenance",1.5,null,1.3,null,1.3,null,2,null,1.3,1.4]
[null,"Grounds Maintenance",1.5,null,1.7,null,2.1,null,1.9,null,1.7,2]
[null,"Total",32.6,null,31.2,null,29.4,null,37.299999999999997,null,29.7,31.9]
["Overhead Lines Maintenance OM&A ($ Millions) ","Preventive Maintenance and Asset Assessment  ",6.5,null,8.4,null,9.1999999999999993,null,8,null,6.9,9.1999999999999993]
[null,"Demand Maintenance",3.9,null,3.5,null,4.5999999999999996,null,8.5,null,4,4.2]
[null,"Planned Corrective Maintenance and  Projects",5.4,null,4.5999999999999996,null,3.6,null,2.4,null,3.1,3.7]
[null,"Total",15.9,null,16.399999999999999,null,17.3,null,18.899999999999999,null,14,17.2]
["Underground Cable Maintenance OM&A ($ Millions) ","Preventive Maintenance",0.8,null,0.9,null,0.9,null,0.8,null,1,1]
[null,"Corrective Maintenance",2.1,null,1.6,null,2.4,null,5.7,null,1.5,1.8]
[null,"Cable Locates",1.2,null,1.3,null,1.6,null,1.1000000000000001,null,1.5,1.6]
[null,"Total",4.0999999999999996,null,3.8,null,4.8,null,7.6,null,4,4.4000000000000004]
["Engineering and Environmental Support OM&A","Engineering and Environmental Support",6,null,4.4000000000000004,null,4,null,4.0999999999999996,null,7.2,5.3]
[null,"Total",6,null,4.4000000000000004,null,4,null,4.0999999999999996,null,7.2,5.3]