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HomeMy WebLinkAbout16, Master Plan Presentation Workshop Item # 16 November 19, 2014 System Master Plan ReportDiscussion of the Electric Electric System Master Plan 2 Electrical Consultants, Inc. (ECI) to prepare the Master PlanOn December 19, 2013 the Board approved the selection of •Basis for establishment of facility fees (AB1600)-Blueprint for orderly expansion-Comprehensive planning report-What is a Master Plan? •Background / History Electric System Master Plan 3 reportStudies at ECI, will present a overview and summary of the Mr. Robert Hurtig P.E., Manager of Planning and System •packetFinal draft of the Master Plan is attached to the Board •New Information Electric System Master Plan 4 Truckee, California 9616111570 Donner Pass RoadTruckee Donner Public Utility DistrictPrepared For Electric System Master Plan Total Plan CostsImprovementsCriteriaHistorical TrendsLoad DataModel DevelopmentOVERVIEW 5 Electric System Master Plan service.manner that endeavors to increase the quality of configuration, voltage levels and load balance in a Evaluate the existing & projected system financial requirements for the next fifteen (15) years.date forecast possible of -to-Provide the most upeconomic manner possible.Plan & complete improvements in the most out construction & other needed improvements.Provide the District with an orderly plan for carrying Purpose of Electric System Master Plan 6 Electric System Master Plan Added substation equipmentVerified modelTDPUD provided model from GISModel 7 Electric System Master Plan Total 221 miles of primary conductor70 miles underground151 miles overhead conductorFour Substations and one point of receiptSystem Summary 8 Electric System Master PlanEffect of ongoing conservationJudgment of the District’s Staff and ECITown of Truckee General PlanStatistical analysis of historical monthly dataGrowth Projections 9 Electric System Master Plan Linear (Average Monthly Usage/Customer)Linear (Number of Consumers)Average Monthly Usage/CustomerNumber of Consumers CONNECTIONSRESIDENTIAL YearConsumerskWH 15,00014,00013,00012,00011,00010,0009,0008,000620600580560540520500480460 2x + 574-y = y = 188x + 9199 10 Electric System Master Plan Linear (Average Monthly Usage/Customer)Log. (Number of Consumers)Average Monthly Usage/CustomerNumber of Consumers( > 50 & < 200 KW)CONNECTIONS COMMERCIAL YearConsumerskWH 5550454035302525,00020,00015,00010,0005,0000 y = 68x + 208743ln(x) + 48-y = 11 Electric System Master Plan Linear (Average Monthly Usage/Customer)Log. (Number of Consumers)Average Monthly Usage/CustomerNumber of Consumers(> 200 KW)COMMERCIAL CONNECTIONS YearConsumerskWH 111098765432250,000200,000150,000100,00050,0000 7703x + 15619211-y = 309.2ln(x) + 2357.1-y = 12 Electric System Master Plan No projects recommended based on outagesRepairs and upgrades third major causeAnimals second major causePower Supplier number one cause13 Electric System Master Plan Historic TrendProj. KW TrendPeak ExtHist. KW kW TrendTRUCKEE DONNER SYSTEM TOTAL KW 45,000 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 -Total System kW Trend 14 Electric System Master Plan Approximately 1.7% growth rate9.5 MW of additional load at 15 year loading4.0 MW of additional load at 5 year loadingGrowth and Loading 15 Electric System Master Plan 80%–Other equipment loading 100%–Transformer loading 114V; 110V at the consumer–Contingency system voltage 118V; 114V at the consumer–Normal system voltage Evaluation Criteria 16 Electric System Master Plan Existing System 17 Electric System Master Plan 15 Year Loads–Existing System 18 Electric System Master Plan transformer overloadingConductor loading > 100% existing & future, –Truckee Conductor loading > 100% 15 yr–Martis Valley loads, conductor overloadingBelow voltage criteria existing and future –Donner Lake Contingency Summary 19 Electric System Master Plan Tahoe Donner 20 Electric System Master Plan Tahoe Donner 21 Electric System Master Plan Donner Lake 22 Electric System Master Plan Tahoe Donner 23 Electric System Master Plan Truckee 24 Electric System Master Plan Martis Valley 25 Electric System Master Plan 9,333,000$Total Costs$5,002,00015-Years 11 $1,136,00010-Years 6 $3,195,0005-Years 1 Total Cost Summary by Year 26 Electric System Master Plan 27 Adoption of CEQA Initial Study and Master Plan -January 21•CEQA Public Hearing-December 17 •date for CEQA Public HearingPresentation of CEQA Initial Study and set -December 3 •Tonight: Presentation of Master Plan Study final draft•Next Steps Electric System Master Plan 28 Individual projects will be brought before the Board.•and associated study for future facility fees.Costs associated with projects will be fed into rate model •Fiscal Impact Electric System Master Plan 29 Receive this report and provide comments.•Recommendation