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.
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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.
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Operat 'ilons Opt *im 'izat *ion
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"' '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 ?