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National Grid Local System Plan

National Grid Local System Plan. Needs Assessment/Potential Solutions PAC Meeting September 21, 2010. Purpose of Local System Plan. Per Attachment K – Local, the LSP is a report that: Describes projected improvements to non-PTF that are needed to maintain system reliability Reflects:

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National Grid Local System Plan

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  1. National GridLocal System Plan Needs Assessment/Potential Solutions PAC Meeting September 21, 2010

  2. Purpose of Local System Plan Per Attachment K – Local, the LSP is a report that: • Describes projected improvements to non-PTF that are needed to maintain system reliability • Reflects: • LSP Needs Assessments • Corresponding transmission system planning and expansion studies • Identifies: • Local Planning Process • Criteria, Data, and Assumptions

  3. LSP Communication • PAC, Transmission Customers, and other Stakeholders have 30 days to provide any written comments for consideration by National Grid. • National Grid’s contact: Gabriel Gabremicael Mgr Transmission Planning, New England National Grid 40 Sylvan Road Waltham, MA 02451-1120 • The ISO-NE RSP project list links to each individual TO’s LSP project list. • National Grid’s project list is located at: • http://www.nationalgridus.com/oasis/filings_studies.asp • "LSP - LTP Transmission Projects - August 2010

  4. LSP Project List • The LSP Project List is a cumulative listing of proposed regulated transmission solutions that may meet LSP needs. • Lower voltage facilities contained in the LSP Project List pertain to facilities supplying our wholesale municipal customers. • The LSP Project List contains the status of each project: • Concept • Proposed • Planned • Under Construction • In Service

  5. LSP Project List Definitions

  6. Local System Planning Process • Local studies can result from: • Load Growth • Area Reliability Assessments • Point of Delivery Request from Customer • Generation Interconnection Request • Asset Replacements (included in list as a new addition) • A Planner – • summarizes the results from the needs assessment and provides: criteria, data and assumptions used in study • builds study cases with proposed alternatives • determines the most effective solution • summarizes the results of the solutions study

  7. Criteria • All National Grid facilities that are part of the interconnected National Grid system shall be designed in accordance with the National Grid Transmission Planning Guide. • The National Grid Transmission Planning Guide is posted on our website under: http://www.nationalgridus.com/transmission/c3-8_standocs.asp as: • Transmission Planning Guide

  8. Data and Assumptions Resources for studies: • NEPOOL Library cases for load flow and ASPEN short circuit studies • CELT Report Load forecasts for NE wide loads • Customer provided forecasted loads for local areas

  9. Local System Plan – What’s New?

  10. Addressing 2009 LSP Comments At the request of the Massachusetts Attorney General, National Grid added the following data categories to our LSP: • Dollar amounts for projects • Company Asset Owner

  11. 2010 LSP Projects

  12. LSP – Massachusetts(Fonts in Red are new or updates)

  13. LSP – Massachusetts Continued

  14. LSP – Massachusetts Continued

  15. LSP – Massachusetts Continued

  16. LSP – Massachusetts continued

  17. LSP – Massachusetts continued

  18. LSP – Massachusetts continued

  19. LSP – Rhode Island

  20. LSP – Removed From List

  21. Questions Questions

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