WORKSHOP 1 EXTENDED RESERVE (AUFLS) Afternoon session - design of the operational phase 2 & 3 September 2015
Jan 04, 2016
WORKSHOP 1EXTENDED RESERVE (AUFLS)
Afternoon session - design of the operational phase
2 & 3 September
2015
2
OPERATIONAL PHASE
Key to success: Efficiently maintain the extended reserve block percentages within given bounds at all times across the North Island (this includes during outages or load changes)
This leads to a key question: How?
3
HIGH LEVEL OPTIONS
• Option A – Central management by service providerso The provider (you) has the obligation to notify a central party of extended
reserve outages or load changeso Central party to identify replacement load at demand unit level for extended
reserve, provider to arm
• Option B – Devolved management by extended reserve providerso The provider has the obligation to maintain the required provision levels of
extended reserve, within percentage min and max levelo Provider to identify replacement load
4
OPTIONS DESCRIBED
• Initial selectiono How the initial selection is done?
• Obligation on providerso What are you required to do?
• Role of central parties
5
INITIAL SELECTION
The tables on following pages indicate the differences between the two high level options
Option A – Central Management Option B – Devolved Management
Same selection process for both:
• Providers provide data
• ERM produces draft procurement schedule
Initial implementation same for both (different terms and conditions)
Same selection process for both
• Providers provide data
• ERM produces draft procurement schedule
Initial implementation same for both (different terms and conditions)
6
OBLIGATION ON PROVIDERS
Option A – Central Management Option B – Devolved Management
Relates to individual demand units Maintain your provision within limits
Provider to notify central party of change in demand units
Central party to select replacement demand units and coordinate changes
Central party to maintain a register
Provider coordinate changes in demand units
Provider to maintain a register
Yearly compliance checks Yearly compliance checks
7
ROLE OF CENTRAL PARTIES
Option A – Central Management Option B – Devolved Management
Obligations managed through central party updating the ER Schedule and SERO
No role for central parties - obligation on the providers
Central party to receive outage notifications and assess against tolerances
No role for central parties - internal assessment against tolerances by provider
Central party to select replacement and instruct a provider to replace
No role for central parties - provider to manage the mix of demand units
Compliance checks Compliance checks
8
GROUP EXERCISES
9
GROUP EXERCISES• Breakout into your companies (or if you are a sole representative of
your company, please find a group)• Complete each section of the worksheet
o 1 worksheet per company• Ask questions - project team members are keen to hear of any
questions you may have• Report back to the wider group at the end of each section
o Nominate a spokesperson• Hand in worksheets at the end
Note: Your responses are sought as independent technical advice. Company names will not be recorded.