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MASSACHUSETTS ELECTRIC RESTRUCTURING ROUNDTABLE

Learn about significant additions in New England's electric infrastructure since 2000, with a focus on natural gas-fired generation growth. Discover insights on power plant replacements, regional generation mix changes, and cost allocation guidance.

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MASSACHUSETTS ELECTRIC RESTRUCTURING ROUNDTABLE

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  1. MASSACHUSETTS ELECTRIC RESTRUCTURING ROUNDTABLE October 28, 2004 Boston, Massachusetts

  2. Connecticut Electric Infrastructure

  3. Significant generation additions occurred in New England since 2000 ADDITIONS RETIREMENTS Source: Derived from Platts PowerDat, NewGen, August 2004 data.

  4. By 2008, natural gas-fired generation will have tripled from 1998 in NEPOOL and Connecticut. The additions of new gas-fired power plants are replacing aging oil–fired plants. 2% Other Other 5% 4% 32% 11% Gas Gas 39% 7% 16% 38% Oil 32% 33% Oil 23% Nuclear 24% 19% 13% 37% Nuclear Hydro 14% 11% Hydro 2% 2% Coal Coal 11% 7% 9% 8% Source: Derived from Platts PowerDat, NewGen, August 2004 data.

  5. Northeast generation output increased 21% Connecticut generation output declined 7%. 119,071 98,572 31,815 29,577 Source: Derived from Platts PowerDat.

  6. Under 230 kV 345 kV DC Substation Connecticut’s interties are remote from its load centers. Source: Derived from Platts POWERmap, September 2004

  7. Under 230 kV 345 kV DC Substation Condition of existing electric transmission system • Distribution • Interties • Load and Stability Source: Derived from Platts POWERmap, September 2004

  8. Urban Load Centers Existing Transmission Line Proposed Transmission Line Proposed transmission projects would move generation to load Card Middletown Bethel Norwalk Stamford Source: Derived from Platts POWERMap and CSC Review of Connecticut Electric Utilities’ Ten-Year Forecasts of Loads and Resources 2003.

  9. Cost Allocation Guidance • Wholesale Power Market Platform White Paper (April 28, 2003) • ORDER ON COMPLAINT AND THE PROPOSED AMENDMENTS TO THE NEPOOL TARIFF AND THE RESTATED NEPOOL AGREEMENT (December 18, 2003) • ORDER GRANTING REHEARING FOR FURTHER CONSIDERATION (February 17, 2004) • Connecticut Electric Transmission Infrastructure Conference (October 13, 2004)

  10. White Paper • Cost allocation guidance from the RTO or ISO and the regional state committee (RSC) • Regional flexibility

  11. Commission Order • Reliability and economic upgrades may receive regional price support absent market solutions • ISO-NE determines regional/local cost allocation • Dissenting opinion

  12. Dissenting Opinion • Cost of reliability upgrades should be socialized • Beneficiaries should bare greater cost of economic upgrades

  13. Order Granting Rehearing • Rehearing order pending

  14. Connecticut Conference • Cost is important • Reliability is paramount • Basic cost may be regionally supported • Ancillary costs should be locally borne

  15. Next StepsSouthwest Connecticut Electric Transmission • Identify feasible solutions • Ensure reliability objectives are met • Overall cost is a pertinent consideration • Expedite regionally acceptable solutions

  16. Conclusions Definitive word on cost allocation will be the Commission’s order on rehearing Meeting Connecticut’s electric demands requires concurrent action in multiple areas • Transmission • Interties • New generation • Natural gas pipeline capacity • Demand response programs

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