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PTO AC - Rates Working Group – Presentation

PTO AC - Rates Working Group – Presentation NEPOOL Reliability Committee / Transmission Committee – Summer Meeting August 9 & 10, 2016. RNS Rate Effective June 1, 2016. Presentation Overview. General Rate Overview ISO-NE OATT Requirements Summary of RNS Rate Change

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PTO AC - Rates Working Group – Presentation

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  1. PTO AC - Rates Working Group – Presentation NEPOOL Reliability Committee / Transmission Committee – Summer Meeting August 9 & 10, 2016 RNS RateEffective June 1, 2016

  2. Presentation Overview General Rate Overview • ISO-NE OATT Requirements • Summary of RNS Rate Change • Annual Transmission Revenue Requirements • Regional Forecast Summary • Annual True-up Summary Detailed Company Discussions • PTO Forecast / True-up Detail Appendix • Historic RNS Rate Information • PTF Investment History • RNS ATRR Reconciliation Slide 3 4 5 6 7 10 – 19 22 – 23 24 – 25 26

  3. ISO-NE OATT Requirements Schedule 9 – Rate Design Attachment F – Formula Rate Updated Annually Effective June 1 Reflects: Previous calendar year data, plus Forecasted revenue requirements, plus Annual true-up & associated interest PTO AC Annual Informational Filing Draft Filing posted on ISO-NE’s website on 6/14/16 Final Filing submitted to FERC and posted on ISO-NE’s Website on 7/29/16 Supplemental filing for any subsequent corrections

  4. Summary of RNS Rate Change The primary driver of the 6/1/16 RNS Rate increase is the 2016 forecast. Note: The RNS rate above reflects the impact of transmission projects and does not reflect rate reductions associated with 1) Congestion Charges, 2) Daily Reliability Payments and 3) elimination of Reliability Must Run Agreements.

  5. Annual Transmission Revenue Requirements (“ATRR”)

  6. June 1, 2016 RNS Rates Regional Forecast Summary

  7. June 1, 2016 RNS Rates Annual True-up Summary

  8. Detailed Company Discussions

  9. PTO Representatives to discuss the Forecast and Annual True-Up CompanyRepresentative CMP: Paul Dumais • Eversource: Allen Scarfone & Lisa Cooper NGRID: Tiffany Forsyth & Jack Martin NHT: Steve Garwood UI: Alex Boutsioulis VT Transco: Frank Ettori & Hantz Presume

  10. Central Maine Power Company 2016 Forecasted PTF Revenue Requirements

  11. Eversource 2016 Forecasted PTF Revenue Requirements

  12. Eversource (Continued) 2016 Forecasted PTF Revenue Requirements

  13. Eversource (Continued) 2016 Forecasted PTF Revenue Requirements

  14. Eversource: CL&P, PSNH & WMECO 2015 True-up Analysis (a) Includes support revenues/expenses, TOUT revenues, taxes and fees and rental revenues.

  15. Eversource: NSTAR 2015 True-up Analysis (a) Includes support revenues/expenses, TOUT revenues, taxes and fees and rental revenues.

  16. National Grid 2016 Forecasted PTF Revenue Requirements

  17. New Hampshire Transmission 2016 Forecasted PTF Revenue Requirements

  18. The United Illuminating Company 2016 Forecasted PTF Revenue Requirements

  19. VT Transco LLC 2016 Forecasted PTF Revenue Requirements

  20. Questions ?

  21. Appendix- Historical Rate Information

  22. Historic RNS Rates ($/kW-year)June 1, 2003 – June 1, 2016

  23. Historic RNS Rates ($/kW-year)June 1, 2003 – June 1, 2016 Note: The RNS rates above reflect the impact of transmission projects and do not reflect rate reductions associated with 1) Congestion Charges, 2) Daily Reliability Payments and 3) elimination of Reliability Must Run Agreements.

  24. PTF Investment History(In Millions of $)

  25. PTF Investment History(In Millions of $)

  26. RNS ATRR Reconciliation(In Millions of $)

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