Transcript RMR EXIT STRATEGY FOR B.M. DAVIS December 16, 2003 BILL BOJORQUEZ

RMR EXIT STRATEGY FOR
B.M. DAVIS
December 16, 2003
BILL BOJORQUEZ
Director of Transmission Services
1
RMR UNITS
EXIT TIMELINES
Unit
Rio Pecos
San Angelo
Fort Phantom
La Palma
B.M. Davis
Bates
Laredo
TOTAL
Capacity
98 MW
102 MW
202 MW
249 MW
335 MW
183 MW
172 MW
1,341 MW
Est. Exit Timeline
November, 2003
Summer 2004
Dec. 2004
Dec. 2005
Dec. 2004
N/A
N/A
B.M. DAVIS EXIT SCOPE
OF WORK
Phase 1 (complete by January, 2005)
• Installation of series reactors on both lines between White Point
and Nueces Bay
• Terminate the Lon Hill to CCCP into the Weil substation
• Cut in the Nueces Bay – Morris 138-kV line into the Highway 9
line
• Reconnect the Westside to Davis 138-kV line and install two 28.8
MVAR capacitor banks at Weil, Westside and Airline substations
Phase 2 (complete by June, 2006)
• Nelson Sharpe 345/138-kV substation on the south side of the
Corpus Christi at the crossing of Lon Hill to Rio Hondo 345-kV
line and Alazan to Celanese 138 kV line
• 150-MVA 30-degree phase shifting transformer
CORPUS SYSTEM,
PHASE 1 ADDITIONS
CORPUS SYSTEM,
PHASE 1 ADDITIONS
CORPUS SYSTEM,
PHASE 1 ADDITIONS
CORPUS SYSTEM,
PHASE 1 ADDITIONS
CORPUS SYSTEM,
PHASE 1 ADDITIONS
CORPUS SYSTEM,
PHASE 2 ADDITIONS
COST
TRANSMISSION ADDITIONS PHASE 1 & 2
Total Capital Cost
$33.3 M
Annual TCOS
$ 6.7 M
ESTIMATED RMR COST
Projected Cost Net Uplift
$22 M per year
QUESTIONS/MOTION
• ERCOT Staff recommends that the Board approve
the Phase 1 and 2 RMR Exit Strategy for B.M.
Davis Unit No 1 as described in the RMR Exit
document
REJECTED OPTIONS
1. Original Nelson Sharpe Proposal w/ Two
Series Reactors
2. Special Protection Schemes
3. Seven Series Reactors
4. Multiple 138kV Upgrades
5. Nelson Sharpe with New 9-mile 345kV line
into Rodd Field
APPROACH
• Staged approach to determine cost effective and
timely transmission alternatives
• Near-term Alternatives: Upgrades to existing
infrastructure that can be expedited
− Do not require CCN
− Can be completed in less than three years
• Long-term Alternatives: Future lines and system
upgrades necessary to ensure that load is served
reliably and without uneconomic RMR support
OPEN PROCESS
• September 15, ERCOT hosted stakeholder meeting in Austin to
review short-term RMR alternatives
• September 22, Stakeholders submitted comments to the shortterm alternatives
• September 30, ERCOT issued a draft recommendation on RMR
short-term exit strategies
• October 9, TAC voted in support of alternatives for Fort Phantom
and La Palma
• October 10, Second stakeholder meeting:
− Long-term alternatives for the Valley and Laredo and
− Short-term alternatives for Corpus Christi
• November 21, ERCOT issues a revised draft exit strategy
recommendation for B.M. Davis
• November 26, Stakeholder comments on B.M. Davis exit strategy
• December 4, TAC Support of Exit Strategy