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HomeMy WebLinkAbout2016-03 TEN Ops Committee Item 7 ENERGY EFFICIENCY AUDIT FINDINGS Q � A CD Orange County Sanitation Districil c��N6 THE Gary Conklin, Senior Engineer Process Engineering Division project overview • General Manager's Work Plan, Item 5, line 1 Evaluate the energy savings opportunities identified by The Energy Network (TEN). Present findings and implementation recommendations to the Board of Directors by March 2016. • Audit Was Funded By CPUC and SCE The Energy Network (TEN) Provides technical assistance and financial incentives. • Items Identified LED Lighting replacements. Pumping 30% Areas of F Secondary 23 Solids 20 Diffusers ventilation 10 Primary Treatment M isc 17 Secondary Treatment , Raw Influent Diffusers ' +:1+';nO27U-q from Collections Make air Ocea System bubblesn Outfa�� Pumps -- Blowers add oxygenforthe Pumps "Bugs:' Truck Solids Digesters Loading W G W1 Sludge Cake Pumps Pumps Areas of F Blowers Blowers were operating ot, AM ,r� I � - efficiently, except for e^ i '® I Blower #1 (Plant No. 1) which will be addressed ' ' = • � by planned maintenance. r LM �. Lim .,�►►� III� 1`�r� 1'C. • • • • • • • a � • Areas of Focus— L ) lights • Recent technology —� improvements have reduced td the cost of LED lighting. 7 • Retrofits can provide a break- even within 9 years, and save $700,000/year after initial $6.3M cost. • These improvements will be incorporated into ongoing CIP projects. . . Energy Ef New Faceilefteies ( and R MyOCSD>Eng>Engineering Resources>Design Standards iE;fl Engineering Design • C I P Project Delivery Process incorporates Standards The OCSD Engineering Design Standards serve as a tool to ensure high quality e n e r e f f i c i e n t review. : ~ and consistencyin the OCSO design and construction projects. Continuous g y y updating helps reflect the latest industry practices and market conditions, reduce design cost and change orders,standardize on best practices and efficient equipment,achieve the required level ofservice,and reduce • Engineering Standards maintenance cost. are routinely updated to Orange „ , Sanitation District incorporate best L Project Manaller's Manual available technologies. A :.,!amap r: s + t� Operat 'ilons Opt *im 'izat *ion Go paperless at wrrw.sce conllebllling.It's fast,easy and secum III J, saune�cusore4 EDISON "' 'A^'�NAf1OMAL• ORO.CO.SANT.DIST 7 Pape 3.(6 • Operational Reports track key Service saw" F�TANK C,p2X6 Plant No. 1 process metrics. o. QMW W41 Compare the electricity you are using • Power Bills a re reviewed to For able V849N�1 usedthiJan6'16n MFob 4'16 Yoa m18iq .e. pnyapp/Wr176 Tad.Yctrlriy you used Mb monN in kyYl, 1,9a6,878 Far a Y3494-014371 bvn An 616 c Fab 416 RMwlw waq.41,187,M Warn Tod 4ectriCNy you used lets rr,orlN In kWh 1,100,412 Am"asepe b eM,000 kVm Alud,aaa deraerlpb 476e w identifytrends and anomalies. °° 1 y wv:ei Saseon 75.erJ14s derrmad b;B86 kVilr ILM l OR peek 1.BT724 0.768 (Jen 15'162216b22;•� Total 8,Oe7Itq • daily 8-- Review Digester Gas production. r°� °e" "u6'g" ' �Iant • Compare Power Import vs In- �" reasing Jen14 Jen15 0-15 *n'16 Housegeneration. Jen"N ,.,5 F.'IS ra,s 6errla.ecoor .ao ed s1.507196 �. — So ia.-chm, =2BROOMUFST ST Plant N o. 2 FIt1rlrlNGl'N ECFt CA MU re.avn Ir • Power Monitoring System ft*A°°°utDge a-WEx-a Compare the electricity you are using provides immediate feedback at TO&W sleX346PY06016 ram Jen nM1'16boFeb 1 16 °W lsW Idly you used thb month In kWh t57tl,612 Ebmtd NMIDarond �, F Seseon each process area. Accounts for 2�>�, �.� (Jan716,0451O11Z otf peak 367 ris 04 e,6'162t:96b021:451 F TOW V6,512 time-of-day price variations. Y°°F�a�l75a,�°°ek�, ,°�,�e ,' ME Plant 2 Decreasing 1111 M" 1419 FRI zN Jan'14 Jan'15 Dec'15 Jan'16 Conclus *ion • Engineering Standards vmjwn ( Qa�0a0�0 • incorporate best available technology • Facilities are continuously monitored and optimized. • TEN audit validated ongoing - - efforts and identified LED _ 4D lighting opportunities. �enerac�yy g g p p . n etwo`l-k public agencies taking action to save ener Qu e sti o ns ?