HomeMy WebLinkAbout12.a. Second Quarter 2019 update on energy usage Page 1 of 2
Item 12.a.
,ek CENTRAL SAN
SANITARYCENTRAL CONTRA COSTA , .
August 15, 2019
TO: HONORABLE BOARD OF DIRECTORS
FROM: CLINT SHIMA, SENIOR ENGINEER
REVIEWED BY: LORI SCHECTEL, ENVIRONMENTALAND REGULATORY COMPLIANCE
DIVISION MANAGER
JEAN-MARC PETIT, DIRECTOR OF ENGINEERINGAND TECHNICAL
SERVICES
ROGER S. BAILEY, GENERAL MANAGER
SUBJECT: RECEIVE SECOND QUARTER 2019 UPDATE ON CENTRAL SAN'S
ENERGYUSAGE
Central San actively tracks greenhouse (G HG) emissions to optimize the use of energy at its facilities in
the most cost-effective and environmentally responsible manner. Attachment 1 contains a breakdown of
Central San's energy usage for the month of June 2019 along with a comparison of the energy used
during the second quarter of the calendar year. The chart shows the cost breakdown of PG&E and MCE
electricity.
Strategic Plan re-In
GOAL THREE: Be a Fiscally Sound and Effective Water Sector Utility
Strategy 2- Manage costs
GOAL SIX: Embrace Technology, Innovation and Environmental Sustainability
Strategy 2- Reduce reliance on non-renewable energy
ATTACHMENTS:
1. June 2019 Energy Usage Report
August 15, 2019 Regular Board Meeting Agenda Packet- Page 142 of 153
ATTACHMENT 1
CCCSD June 2019 Energy Usage
HHWCF(Solar) Treatment Plant Monthly Total Energy Cost: $369,463
HHWCF(Gas and $585
Electricity)$27 0% 0% 87%of Total$ POD Reserv.&Serv.
Charges(PG&E) $349 /MG Treated
Misc(Gas and $22,539 7%
Electricity) $2,276 1,795 kWh/MG Treated
1%
POD Demand
pro Charge(VICE) CSO Facility
$46,961 14% 0.6%of Total$ CSO Solar,
CSO Electricity, $5,634,84%
POD Electricity $34,1%
Import(VICE)IF $6,559 2% 2,QU
•D aCSO Vehicle
�., ACSOhicle ,9%
Bay Electricity, gay Gas,$22,
$431,6% 0%
Pump Stations
PG&E Charges 12%of Total$
trans.+dist.+etc. Moraga, $5,293,
( San Ramon,$11,368, 15%
minus Reserv.& 33%
Serv.Charges) Orinda Crossroads
O � $59,803
18% $6,701,19%
$59,047 Transmission 12 Other Pump Stations,
OD Landfill Gas $1,625,5%
$31,089
10%
Concord Industrial,
$872,3%
Loy
Fairview Lift Station,
$866,3%
Maltby,$1,073,3% Martinez,$1,781,5'.
Operating Cost of CCCSD by Month TP Electricity Source in kWh TP MMBTU of Gas Consumed
$400,000 5378,459 2,500 4s
369 463
$350,000 $352,050 $327,091 40
2,000 35
$300,000 F
VE
t m
$250,000 3 30
1,500
c v 25
$200,000 �
'° 3 20
$150,000 F 1,000 °
~ 15
$100,000 10
500
$50,000 5
$0 0 0
Mar-19 Apr-19 May-19 Jun-19 Mar-19 Apr-19 May-19 Jun-19 Mar-19 Apr-19 May-19 Jun-1
■PG&E Charges ■POD Reserv.&Serv.Charges
■POD Demand Charge ■Other Energy Charges Cogen ■Standby Power —PG&E ■Natural Gas ■Landfill Gas
■POD Landfill Gas ■Natural Gas Delivery
■POD Natural Gas
TP Electricity by Source in kWh TP MMBTU of Gas Consumed TP Energy by Source in kWh
30 600 100 2.05
1U4,72
73 6.93
9025 500 807020 400
OS60
x15 ° 300 m501.68 2 40n
10 0 200 —
L 30 25.98 26.36—29.27—29.58
~ 20 — — —
5 $ 100 10 15.01
1111
—
0 0 0
2015 2016 2017 2018 2019 2015 2016 2017 2018 2019 2015 2016 2017 2018 2019
Year Year
Year ■ l
■Cogen ■Standby Power ■PG&E ■Natural Gas ■Landfill Gas ers WHB Steam ■Cogen Steam
Aux Boi
■Cogen Electrical ■Standby Power ■PG&E
This month CCCSD produced and purchased electricity at an average rate of $0,1492 /kWh(including maintenance)
Anthropogenic GHG
Emissions Renewable Energy Landfill Gas Compared to $0,1947 /kWh if exclusively from PG&E
MT CO2e Profile 7,230 MMBtu
25000 16%
Generation breaks even with PG&E at $7.48 /MMBTU
Recovered Waste Heat
20000 ` 5,350 MMBtu
/ 11% Natural gas was purchased at
15000 Solar arate of $3.01 /MMBTU
N 10,953 116 MMBtu eq.
Ou 10000 0.25%
Total Non-Renewable
34,108 MMBtu VICE Renewables Natural gas transmission cost $1,78 /MMBTU
5000 73%
117 MMBtu eq.
0.25%
0
CCCSD produces steam at
an average rate of $0.0024 /Ib steam
August 15, 2019 Regular Board Meeting Agenda Packet- Page 143 of 153