Operations Documentation The information provided below will assist you in connecting to the transmission system. Please Contact your Account Manager for additional information.

• Massachusetts, New Hampshire and Rhode Island areas:
• 2024 MA National Grid YOP(pdf)
• 2024 MA ROW YOP Maps(pdf)
• 2024 MA YOP Herbicide Labels(pdf)
• 2024-2028 MA National Grid 5 Year VMP(pdf)
• 2023 MA YOP Maps(pdf)
• 2023 Right-of-Way Yearly Operational Plan (for Massachusetts only) (pdf)
• Five Year Vegetation Management Plan 2019 - 2023 (pdf)
• Information and Requirements for Electrical Service (pdf)
• ISO New England Inc. Transmission, Markets and Services Tariff *(pdf)
• ISO-New England interconnections documents*
• ISO-NE Operating Procedures (for Procedures #17 and #18)*


• New York State:
• National Grid in New York Electric Specifications*
• NYISO Transmission Expansion and Interconnection Manual *(pdf)
• NYISO System Reliability Impact Study Criteria and Procedures*
• NYISO Market Administration and Control Area Services Tariff


• Applicable to National Grid's New York State and New England areas:
  
  • Transmission Network Performance Report - Fiscal Year 2008 (pdf)
  • Requirements for Parallel Generation Connected to a National Grid Owned EPS (pdf) (ESB 756)

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