Outage Coordination
Process and New Equipment
1
Introduction
This presentation is intended to increase
knowledge of outage coordination and
NOMCR submittal processes
2
Objectives
At the completion of this course of instruction you
will:
Identify the ERCOT Outage Coordination
timelines
Identify the timeline requirement for a
maintenance level outage
Identify the maximum size of a group outage
Identify the correct process order for new
equipment in the ERCOT system
3
Definitions
NOMCR – Network Operations Model
Change Request
ResTran – RESource Owned
TRANsmission Equipment
4
Outage Coordination
Planned Transmission Timeline
Request for
Approval*
ERCOT must Approve or Reject*
More than 90 days
75 days
46–90 days
30 days
9–45 days
4 days
4–8 days
No later than 1800 hours 3 days
3 days
No later than 1800 hours 2 days
*Prior to Planned Start Date/Time
5
Outage Coordination
Planned Resource Timeline
QSE Request
for Approval
ERCOT Approval or Rejection
Three days
1800 hours, two days prior to start of
proposed Outage
Four to eight days
1800 hours, three days prior to start of
proposed Outage
Nine to 45 days
Five Business days after submission. Outages
are automatically accepted if not rejected at
the end of the fifth Business Day following
receipt of request.
Greater than 45 days ERCOT must accept, but may discuss
reliability and scheduling to minimize cost.
6
Outage Coordination
Planned Resource Timeline
•Timelines for Reliability Resource Planned Outages
(RMR and Black Start)
Request for
Approval
ERCOT Approval or Rejection
Not less than 30
days
15 days before start of proposed Outage
More than 45 days
30 days before the start of proposed Outage
Note: ERCOT may, at its discretion, relax the 30 day Notice requirement.
77
Outage Coordination
Maintenance Timeline
Definition: Initiated manually
to remove equipment from
service to perform work on components than could be
postponed briefly but is required to prevent potential forced
outage and cannot be postponed until the next planned
outage.
Level 1: Applies to equipment which must be removed from
service within 24 hours. (M1)
Level 2: Identifies equipment which must be removed from
service within 7 days. (M2)
Level 3: Applies to equipment which must be removed from
service within 30 days. (M3)
8
ResTran
Forms are available on resquest
Email forms to
ResTranOutages@ercot.com
Different forms for Forced Outages
9
ResTran - Planned or Maintenance
10
ResTran - Planned or Maintenance
11
ResTran - Forced Outages
12
ResTran - Forced Outages
d
13
ResTran - Outage Form
14
ResTran - Outage Form
15
ResTran
Outage Form
ALWAYS review the outages after they
were submitted by ERCOT on your behalf
to make sure that the outage does exactly
what you want it to do when you want it to.
To update an outage email the most up-todate form with the new updated
information added.
16
Outage Coordination
Approvals
Approved Outages can be withdrawn any
time before it is completed.
Planned transmission outages are always
studied.
Approved -> Done by coordinators
Accepted -> Automatic
17
Outage Coordination
Availability
• Short Term: M-F 6AM-6PM, Sa-Su 6AM – 2PM
– Rotating Shifts*
• Long Term: M-F 6AM-5PM
• Use OC Blast Accounts
– Email: OPSOutageCoordination@ERCOT.com
– Phone: (512) 248 – 6841
• No Voicemail*
18
New Equipment
Create plan for switching from old to new
equipment
May require pseudo equipment
i.e. Breakers to switch between
equipment…
Submit a NOMCR for all new and pseudo
equipment
19
New Equipment
Pseudo Equipment
New Breaker
Pseudo Breaker
Breaker
Old Breaker
20
NOMCRs
A
21
NOMCRs
22
NOMCRs
23
NOMCRs
24
NOMCRs
A
25
New Equipment Outages
After the NOMCR has been processed
and the equipment has been added to the
OS Database
Planned End Date is the Energization
Date
NOMCR >> OS >> Model
26
**BONUS**
Extending an outage
New Planned End Date
Unlimited extensions
FR->FE || (PL,M1,M2,M3)->UE
Adding Requestor Notes
1000 Characters
Only once per group outage
The maximum Group Outage size is 30 pieces
of equipment
27
**BONUS MIS**
Outage
Submitted
Proposed
Transmission
Outages
*When an outage is added to
one report it is removed from
the previous report
Rejected
Transmission
Outages
Approved and
Accepted
Transmission Outages
Outage Withdrawn
Planned End > 1 Yr. Old
Withdrawal of
Approved and
Accepted
Transmission Outages
*All reports are automatically
updated every hour on the hour
Planned End > 1 Yr. Old
Removed
from MIS
28
Questions
29
Questions
1.
The last day to enter a Planned Transmission
Outage is ________ before the Planned Start
Date.
A)
B)
C)
D)
1 Day
3 Days
8 Days
45 Days
30
Questions
2.
Planned Resource Outages must be accepted
when entered ______ before the Planned Start
Date.
A)
B)
C)
D)
>3 Days
>9 Days
>30 Days
>45 Days
31
Questions
3.
A level 2 maintenance outage (M2) means that
the outaged equipment must be removed
_______ to prevent a forced outage.
A)
B)
C)
D)
<7 Days
<30 Days
<7 Hours
<1 Hour
32
Questions
4.
The maximum size of a group outage is
_______.
A)
B)
C)
D)
10 pieces of equipment
Unlimited
30 pieces of equipment
2 megabytes of equipment
33
Questions
5.
What is the correct process order for new
equipment in the ERCOT system?
A)
B)
C)
D)
NOMCR >> OS >> Model
NOMCR >> Model >> OS
OS >> Model >> NOMCR
Model >> NOMCR >> OS
34