Resolution No. 2012-246RESOLUTION NO. 2012-246
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF
VERNON APPROVING AND ADOPTING THE RESOURCE
ADEQUACY PLAN FOR 2013, WHICH INCLUDES THE DEMAND
FORECAST, THE PLANNING RESERVE MARGIN, THE
QUALIFYING CAPACITY CRITERIA, AND THE SUPPLY
PLAN, IN ACCORDANCE WITH THE CALIFORNIA
INDEPENDENT SYSTEM OPERATOR'S TARIFF REQUIREMENTS
WHEREAS, the City of Vernon (the "City") is a chartered
municipal corporation of the State of California that owns and operates
a system for the generation, purchase, transmission, distribution and
sale of electric capacity and energy; and
WHEREAS, the City has executed a Metered Subsystem Agreement
("MSS Agreement") with the California Independent System Operator
("CAISO") ; and
WHEREAS, the City is considered a Load Serving Entity ("LSE")
under certain terms of the CAISO's Tariff ("Tariff") and
WHEREAS, the Tariff requires each LSE to establish and submit
to CAISO an annual Resource Adequacy Plan, which includes a Demand
Forecast, a Reserve Margin, Qualifying Capacity Criteria, and a Supply
Plan; and
WHEREAS, the Tariff requires each LSE to submit monthly
Resource Adequacy Plans and Supply Plans; and
WHEREAS, the City has reviewed the historical and expected
demand for and supplies of electricity within its distribution system,
including the likely peak demand for electricity within the City's
distribution system throughout 2013, the available generation and other
capacity to serve that demand, and constraints which might impact the
availability of capacity to serve the City's projected peak demand; and
WHEREAS, based upon that review, the City finds that the peak
demand for electricity within the City's distribution system throughout
2013 is likely to experience load growth of approximately 1.0% as
compared to the same months of the prior year;,and
WHEREAS, based upon that review, the City finds that the
default 15% Reserve Margin set forth in the Resource Adequacy
provisions of the MRTU Tariff is sufficient for planning purposes; and
WHEREAS, based upon that review, the City finds that the
Qualifying Capacity Criteria specified in the City of Vernon Demand
Forecast for 2013, Planning Reserve Margin, Qualifying Capacity
Criteria and Annual Resource Adequacy and Supply Plan are sufficient
and appropriate to be used in determining the amount of Qualifying
Capacity needed to meet the City's projected peak monthly demand and
15% Reserve Margin.
NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE
CITY OF VERNON AS FOLLOWS:
SECTION 1: The City Council of the City of Vernon hereby
finds and determines that the above recitals are true and correct.
SECTION 2: The City Council of the City of Vernon hereby
approves and adopts the Light & Power Department Resource Adequacy Plan
for Calendar Year 2013 (the "Annual Resource Adequacy Plan"), which
includes the Demand Forecast, the Planning Reserve Margin, the Qualifying
Capacity Criteria, and the Supply Plan, which is attached hereto as
Exhibit A.
SECTION 3: The City Council of the City of Vernon hereby
directs the Light & Power Department to submit to CAISO the Annual
Resource Adequacy Plan.
_2_
SECTION 4: The City Council of the City of Vernon hereby
directs the Light & Power Department to submit Resource Adequacy Plans
and Supply Plans prepared in conformity with the Annual Resource
Adequacy Plan to the CAISO on a monthly basis as requested by CAISO.
The data to be included in the monthly Resource Adequacy Plans and the
Supply Plans may be adjusted for seasonal variations as well as load
and resource changes.
SECTION 5: The Interim City Clerk of the City of Vernon
shall certify to the passage, approval and adoption of this
resolution, and the Interim City Clerk of the City of Vernon shall
cause this resolution and the Interim City Clerk's certification to be
entered in the File of Resolutions of the Council of this City.
ATTEST:
Dana' R
APPROVED AND ADOPTED this 18th day of December, 2012.
ity Clerk
M
Name: william J. Davis
Title: Mayor
_3_
STATE OF CALIFORNIA I)
) ss
COUNTY OF LOS ANGELES. )
I, Dana Reed, Interim City Clerk of the City of Vernon, do hereby
certify that the foregoing Resolution, being Resolution No. 2012-2.46,
was duly passed, approved and adopted by the City Council of the City
of Vernon at a regular meeting of the City Council duly held on
Tuesday, December 1,8, 2012, and thereafter was duly signed by the Mayor
or Mayor Pro-Tem of the City of Vernon.
Executed this day of December, 12, at Vernon, California.
Da a Reed, Interim City Clerk
(SEAL)
4
City of Vernon
Light & Power Department
Resource Adequacy Plan
Calendar 2013
Demand Forecast for 2013
Planning Reserve Margin
And
Qualifying Capacity Criteria
2
Background:
The Resource Adequacy provisions of the CAISO's MRTU Tariff require the Scheduling
Coordinator ("SC") of a Load Serving Entity ("LSE") to establish and submit the following
information upon approval from its Local Regulatory Authority. (1) A coincident peak
Demand Forecast for its load (2) adopt a Reserve Margin used for planning purposes, (3)
establish the Qualifying Capacity Criteria that will be used for determining qualifying
resource types and the Qualifying Capacity from such resources, (4) an annual and monthly
Resource Adequacy and Supply Plan on the CAISO approved templates, and (5) identify the
Resource Adequacy Resources that will be counted on to satisfy the LSE's Local Capacity
Requirement. The City Council of the City of Vernon as the Local Regulatory Authority
needs to establish (1) the coincident peak Demand Forecast for Vernon's load, (2) a Reserve
Margin for planning purposes, (3) the Qualifying Capacity Criteria for determining
qualifying resource types and the Qualifying Capacity for such resources, and (4) approve the
City's Resource Adequacy, Supply Plan and Local Area Capacity templates for submittal to
the CAISO.
Staff has compiled the required data for Council approval. Included in the Resource
Adequacy Plan is information pertaining to each requirement and how each will be met by
the City. Staff recommends that Council approve the Resource Adequacy Plan and
authorize Staff to periodically provide the CAISO with a required Resource Adequacy Plan
that will take into account the new established coincident peak Demand Forecast, the
Planning Reserve Margin, and the Resource Adequacy criteria established by the City
Council.
Coincident Peak Demand Forecast:
Vernon's municipal load resides within the CAISO control area. The CAISO, as the
balancing authority, has the responsibility for meeting reliability criteria established by the
Western Electricity Coordinating Council ("WECC"). As such the CAISO has entered into
agreements with various market participants including, but not limited to, Generators,
Scheduling Coordinators, Participating Transmission Owners, Utility Distribution
Companies, and Metered Subsystems ("MSS"), which impose certain responsibilities on
parties to establish a reliable system. One of those responsibilities is to have operating
reserves that meet the WECC minimum requirements.
The CAISO's. goal in considering reserve requirements is to balance available capacity with
demand across the entire CAISO control area and, therefore, CAISO's primary concern is
with the time and amount of peak demand on the CAISO-controlled transmission system (the
"system peak"). In order to reduce demand during the period of the system peak (and,
therefore, to lower the peak demand on the transmission system), utilities generally offer
retail rate structures designed to encourage load shifting away from the on -peak period. Such
efforts are intended to achieve on -peak demand reduction and lower the need to build new
generation to meet peak demand. Vernon has adopted such a rate structure and has
succeeded in shifting the peak demand period for Vernon's system to a time that is generally
earlier than the time of the CAISO system peak.
Vernon's share of needed capacity to meet CAISO control area requirements may be
established by determining the amount of Vernon's load that contributes to the CAISO
system peak. The process to establish Vernon's monthly coincident peak Demand Forecast
consists of the following three steps:
1. Establish Monthly Vernon System Peak Demand Forecast for 2013
Historically the proposed monthly Vernon System peak demand forecast was developed
based on the analysis of Vernon's historical and projected load growth. Analysis shows
that in the last five years Vernon's Peak demand has experienced an average decrease of
1.5 % (Exhibit 3). Due to the loss in peak demand, staff has established its 2013
forecasted Peak Demand by taking the actual peak demand from the previous 12 months.
To adjust for the loss of a large customer, the data was reduced by 3 MW for January
through March as well as October through December. The projected system peak
demand for the City of Vernon is shown below in Table 1.
0
Table 1
Projected
Load
2013
MW
January'
183.1
February
181.6
March
178.5
April
177.3
May
180.4
June
182.3
July
188.0
August
191.3
September
191.7
October
183.6
November
183.0
December
180.4
2. Establish Coincidental Peak Factor
The coincidental peak factor is the ratio between Vernon's demand at the time of the
CAISO control area's peak demand and Vernon's peak demand for the month. As set
forth in Section 40 of the MRTU Tariff, the coincidental peak factor for each month has
been established and provided to the City by the California Energy Commission (CEC). It
is shown in Exhibit 2.
3. Monthly Coincident Peak Demand Forecast
The monthly coincident peak Demand Forecast is the product of Vernon's System peak
demand and the coincidental peak factor. This reflects Vernon's projected demand at the
time of the CAISO control area's peak for each of the individual months. Exhibit 2
provides the calculation of Vernon's projected coincident peak Demand Forecast for the
period of January through December 2013.
5
It is recommended that the coincident peak Demand Forecast contained in Exhibit 2 and
as shown below in Table 2 be approved.
Table 2
Demand
Forecast
2013
MW
January145.9
February
143.7
March
163.6
April
163.8
May
166.6
June
162.4
July
167.8
August
166.6
September
172.5
October
165.4
November
148.2
December
144.3
Reserve Margin for Planning Purposes
It is recommended that a Reserve Margin of 15% be maintained for planning purposes as set
forth in Section 40 of the CAISO MRTU Tariff. The 15% Reserve Margin will be used to
establish monthly Resource Adequacy obligation for Vernon and will be met on the monthly
Resource Adequacy showing.
OualifyinLy Capacity:
It is recommended that the following criteria be approved for determining the type of
resources that may be eligible to provide Qualifying Capacity and for calculating Qualifying
Capacity for such eligible resource types.
6
1. Vernon Purchase Power Contract with SCPPA for 4.9% of SCPPA's share of Palo
Verde Nuclear Generating Station (Palo Verde) shall be eligible as Qualifying
Capacity. The power is scheduled as an import generally at Westwing Substation
through the CAISO's entitlement of transmission from Westwing to SP-15.
2. Contract NO DE-MS65-86WP39587 between United States Department of Energy
Western Area Power Administration Boulder Canyon Project and City of Vernon,
California for Electric Service shall be eligible to count as Qualifying Capacity. The
power is scheduled as an import at Mead Substation generally through the CAISO's
entitlement of transmission from Mead Substation to SP-15. The amount of
Qualifying Capacity will be based on the most current schedule for the available
capacity from the Boulder Canyon Project at the time of submittal of the Resource
Adequacy Plan.
3. Generating units and system units (but excluding Vernon diesel generating units)
within Vernon's MSS, as reflected in Schedule 14 of Vernon's MSS Agreement with
CAISO shall be eligible to count as Qualifying Capacity. The amount of Qualifying
Capacity of such units will be based on the projected dependable gross output
capacity on a day when the ambient air temperature is 90 degrees Fahrenheit.
4. All other capacity from a Participating Generator, a System Unit, or a System
Resource, as defined in the CAISO Tariff, shall be eligible as Qualifying Capacity.
System Resources, however, must have a firm transmission path from source to the
CAISO control area. Such criteria for firm transmission facilities over the CAISO
control area can be satisfied with the possession of a firm transmission right from the
CAISO on the path associated with the System Resource. Firm transmission rights
provide physical priority right to schedule over congested paths.
5. Interruptible Service Agreements with the City's Electrical customers. Currently
Vernon has an Interruptible Service Agreement where the customer agrees to
interrupt 12.65 MW of load within a 30 minute notification. A period of interruption
7
can occur upon notification from the Independent System Operator (ISO) requiring
the City to shed load or upon the unscheduled outage of the Malburg Generating
Station ("MGS") or any other generating unit internal to the City's system.
The following scheduled outage criteria should be used for determining the level of
Qualifying Capacity ("QC") of any resource.
Scheduled Outages
Time Period
Description of How Qualifying Capacity of Resources Is Counted
Summer
Any month where days of scheduled outages exceed 25% of days in the
May
month, the resource cannot be counted as Qualifying Capacity. If
through
scheduled outages are less than or equal to 25% of the days in the
September
month, the resource is counted as Qualifying Capacity.
For scheduled outages of less than 1 week, the resource is counted as
Qualifying Capacity.
Non -Summer
Months
For scheduled outages of 1 week to 2 weeks, the Qualifying Capacity of
the resource is prorated using the formula:
October
[ 1 - (days of scheduled outage/days in month) - 0.25] * MW = QC
through
The formula will allow resources to be counted at between 50% and
April
25% of what would otherwise be their Qualifying Capacity.
For scheduled outages over 2 weeks, the resource cannot be counted as
Qualifying Capacity.
Annual/Monthly Resource Adequacy and Supply Plan:
The CAISO's MRTU Tariff requires that the scheduling coordinator of a load serving entity
provide an annual and a monthly Resource Adequacy Plan (Section 40.2.2.4) using the
required templates and submitted on the set schedules. Furthermore, the scheduling
coordinator of a resource providing resource adequacy must submit both an annual and
monthly Supply Plan (Section 40.4.7.1) using the required templates and submitted on the set
schedules. Therefore, the City of Vernon serving as the scheduling coordinator for both
resource adequacy resources and a load serving entity, must submit a Resource Adequacy
and Supply Plan on the set schedules. Staff recommends that Council approve the Annual
8
Resource Adequacy (Exhibit 4) and Supply Plan (Exhibit 5) for calendar year 2013. Staff
also request authorization to submit the monthly Resource Adequacy and Supply Plans as
they become due.
Local Capacity Area Resources Templates:
In accordance with Section 40.3 of the CAISO tariff, CAISO annually performs the Local
Capacity Technical Study. Based on the Local Capacity Technical Study, the CAISO
allocates responsibility for Local Capacity Area Resources to the Scheduling Coordinators of
the LSEs. The Scheduling Coordinator must then identify the resources it will count on to
satisfy its local capacity requirement using the Local Capacity Template. Staff request
Council to approve the attached Local Capacity template (Exhibit 6) for submittal to the
CAISO.
Conclusion:
1. Recommend approval of the following coincident peak Demand Forecast for
2013 as follows:
Demand
Forecast
2013
MW
January
145.9
February
143.7
March
163.6
April
163.8
May
166.6
June
162.4
July
167.8
August
166.6
September
172.5
October
165.4
November
148.2
December
144.3
7
2. Recommend approval of a 15% Reserve Margin for planning purposes.
3. Recommend approval of the above stated Qualifying Capacity Criteria.
4. Recommend approval of the Annual Resource Adequacy, Supply Plan and
Local Area Capacity templates for submittal to the CAISO.
5. Recommend approval to submit the Monthly Resource Adequacy and Supply
Plan as needed to the CAISO.
10
Exhibit 1
January - December 2013 Projected Load
Month
2011-2012
(Actual City
System Peak
Load)
2013
Projected
System Peak
Load
(A)
(B)
(C)
1
Jan uary'12
186.07
183.07
2
Februa '12
184.62
181.62
3
March '12
181.45
178.45
4
April '12
177.27
177.27
5
May '12
180.35
180.35
6
June '12
182.27
182.27
7
Jul '12
187.95
187.95
8
Au ust '12
191.33
191.33
9
September'12
191.66
191.66
10
October'11
186.56
183.56
11
November'11
185.97
182.97
12
December'11
183.38
180.38
A Month
B Source: (City Historical System Peak Load Data)
C Actual Load for 2011 and 2012 less 3 MW adjustments
for Jan (2012) - March (2012) and Oct (2011) - Dec (2011)
Exhibit 2
January - December 2013 Resource Adequacy Requirement
Month
Projected
Load
Coincidental
Peak Factor
Coincident
Peak Demand
Forecast
RA' Capacity
Requirement
(A)
(B)
(C)
(D)
(E)
1
January
183.1
79.7%
145.9
167.8
21February
181.6
79.1 %
143.7
165.2
3
March
178.5
91.7%
163.6
188.2
4
April
177.3
92.4%
163.8
188.4
5
May
180.3
92.4%
166.6
191.6
6
June
182.3
89.1 %
162.4
186.8
7
July
187.9
89.3%
167.8
193.0
8
Au ust
191.3
87.1 %
166.6
191.6
9
September
191.7
90.0%
172.5
198.4
10
October
183.6
90.1 %
165.4
190.2
11
November
1 183.01
81.0%1
148.2
170.4
12
December
1 180.41
80.0%1
144.3
166.0
A Month
B Source: (Exhibit 1 Column E)
C Source: CEC
D Product of B and C
E Product of D and 115% (115% reflects Planning Reserve Margin)
Exhibit 3
5 year Sytem Peak Demand Analysis
Year
Peak
% Inc./Dec.
(A)
B
P
1
2008
203.8
2
2009
196.6
-3.509%
32010
194.6
-1.037%
42011
193.2
-0.694%
5
2012
191.7
-0.818%
6
Average
196.0
-1.5%
A Year
B Source: (City Historical Sytem Peak Load Data)
C % Increase from previous year.
Note: Exhibit 5 will be not included in this year's RA Plan.
It has been determined that historical data is to erratic so therefore previous
years peak will be used with adjustment to January through March
October through December.
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CITY CLERK'S OFFICE
INTER OFFICE MEMORANDUM
DATE: December 20, 2012
TO: Carlos Fandino, Director of Light &Power
FROM: Deborah Juarez, Records Management Assistant
RE Resolution No. 2012-246 - A Resolution of the City
Council of the City of Vernon Adopting the Resource
Adequacy Plan for 2013, Which Includes the Demand
Forecast; the Planning Reserve Margin, the Qualifying
Capacity Criteria, and the Supply Plan, in Accordance
With the California.Independent System Operator's
Tariff Requirements
Transmitted herewith is a copy of Resolution No. 2012-246,
approved by City Council on December 18, 2012.
Thank you.
c: Resolution No. 2012-246
RECEIVED
RECEIVED DEC 0 5 2012
_CITY'ADMINISTRATION
DEC 10 2012 STAFF REPORT
CITY CLERWS OFFICE LIGHT & POWER
DATE: November 29, 2012
TO: Honorable Mayor and City Council
FROM: Carlos R. Fandino Jr., Director of Light & Power 1
RE: Annual Resource Adequacy Report and Supply Plan
To be placed on the December 18t", 2012 City Council Agenda
The Resource Adequacy provisions of the MRTU Tariff require, the Scheduling Coordinator ("SU) of a
Load Serving Entity ("LSE") to establish and submit the following information upon the approval from its
Local Regulatory Authority: (1) A coincident peak Demand Forecast for its load (2) adopt a Reserve
Margin used for planning purposes, (3) establish the Qualifying Capacity Criteria that will be used for
determining qualifying resource types and the Qualifying Capacity from such resources, (4) an annual
and monthly Resource Adequacy and Supply Plan on the CAISO approved templates, and (5) identify the
Resource Adequacy Resources that will be counted on to satisfy the LSE's Local Capacity Requirement.
These requirements must be set and approved by the LSE's Local Regulatory Authority. Therefore, the
City Council of the City of Vernon as the Local Regulatory Authority needs to establish (1) the coincident
peak Demand Forecast for Vernon's load, (2) a Reserve Margin for planning purposes, (3) the Qualifying
Capacity Criteria for determining qualifying resource types and the Qualifying Capacity for such
resources, and (4) approve the City's Resource Adequacy Plan, Supply Plan and Local Area Capacity
templates to be submitted to the ISO annually and monthly. The data to be submitted on the monthly
reports will be consistent with the Annual Resource Adequacy Plan approved by Council and may be
adjusted for seasonal variations as well as load and resource changes. The Annual Plan is due to the
ISO once a year while the monthly report is due 45 days prior to the beginning of the month.
In order to comply with the CAISO's Tariff requirement, staff has prepared and requests Council's
authorization to submit the attached documents containing the following information: (1) coincident peak
Demand Forecast for Vernon's load (2) Reserve Margin for planning purposes, (3) Qualifying Capacity
Criteria for determining qualifying resource types and the Qualifying Capacity from such resources, and
(4) Annual Resource Adequacy Plan, Supply Plan, and Local Area Capacity Templates. Staff has
included all supporting documentation in this package.
Recommendations —
(1) Approve the coincident peak Demand Forecast for 2013,
(2) Approve retaining the same 15% Reserve Margin,
(3) Approve the Qualifying Capacity Criteria as stated on the "City of Vernon Light & Power Department
Demand Forecast for 2013 Planning Reserve Margin and Qualifying Capacity Criteria" document, and
(4) Approve the Annual Resource Plan, Supply Plan and Local Area Capacity Templates for 2013.
(5) Approve submittal of monthly RA Plans and Supply Plans in substantially the same form as attached.
FISCAL IMPACT
There is no known fiscal impact.