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U.S. Transmission Capacity & Reliability. Are we willing to do what it takes to preserve the transmission option?. David R. Nevius - NERC. About NERC. History Members Purpose Reliability Assessment. Transmission Assessment. Loadings increasing $$ and weather are the drivers - PowerPoint PPT Presentation
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U.S. U.S. Transmission Transmission Capacity & Capacity & ReliabilityReliability
Are we willing to do what it takes to
preserve the transmission option?David R. Nevius -
NERC
About NERCAbout NERCHistoryMembersPurposeReliability Assessment
Transmission Transmission AssessmentAssessment
Loadings increasing$$ and weather are the driversMore curtailments requiredNot designed for current levels and directions of transfersMost planning is short termMargins are thin
Few Few Transmission Transmission AdditionsAdditions
Only 7,500 miles plannedMost additions driven by need to connect new generatorsNo significant improvement to long-distance transfersLess weight place on reliability in justifying transmission
C a p a c i t y , D e m a n d , a n d T r a n s m i s s i o n
Transmission Growth Transmission Growth vs. vs. Generation and Generation and Demand GrowthDemand Growth
18%
Increase
5% Increase
System System CongestionCongestion
Impediments to New Impediments to New TransmissionTransmission
Opposition and litigationUncertain cost recovery Impacts vs. benefits?Who has responsibility to build?Siting across multiple jurisdictionsFederal agenciesRisky Business - Who will invest?
Recent DelaysRecent DelaysAEP 765 kV (WV-VA) delayed from 1998 to 2004 – U.S. Forest ServiceConnecticut - Long Island Cable rejected by Connecticut Siting Council
Previous Studies Previous Studies and Reportsand Reports
Moving Power – Flexibility for the Future (NGA 1987)Electric Power Wheeling and Dealing (OTA 1989)Keystone Policy Dialog – Model Siting Code (1994)
Previous Previous RecommendationsRecommendations
Reasonable time frames and deadlinesClear decision criteria, need standards, and rules for cost recoveryEarly involvement of landowners, public, and regulatorsOne-stop siting and certification processCriteria for preferred sites - corridorsRegional or federal siting authority
ERCOT - One Model ERCOT - One Model that Works!that Works!ISO responsible for transmission planningLoad serving entities request Planned Transmission Service (Firm)ISO & TSPs determine upgrades to meet criteriaAnnualized costs charged to load (pro rata)Single jurisdiction – predictable process90-mile 345 kV line certificated AND constructed in less than 2 years!
Maintaining Maintaining TransmissionTransmissionas an Optionas an Option
Must change how transmission is certified and sited
Recognize multi-state nature and benefits of transmission in siting and certification processesRegional siting authorities?Role for RTOs?Federal role in siting?
Unless processes changed, major transmission will simply not be developed!
The ChallengeThe ChallengeConcerted and cooperative effort to reform siting processesAll know what has to be doneUnless processes are fixed, will continue to work around congestion and constraints
NERCNERC
www.nerc.com