In our New England operating regions, National Grid's subsidiary company, New England Power Company (NEP) owns the transmission assets that provide wholesale transmission integrated network service across the region.

Technical

• Transmission TGP28 Issue 6, 05/09/2023 (pdf)
• National Grid Local System Plan 2023 (pdf)
  
  

Real Estate

• Third-Party Acquisitions and Transfer of Real Property (pdf)
  
  

Commercial/Financial

• Transmission Agreements Creditworthiness Policy (pdf)
  
  

ISONE

• Interconnection Request Tracking Tool (IRTT)
• IRTT User Guide
• Manuals - ISO New England
• Interconnection Process Guide
• Interconnection Queue
• The following tariff attachments may be referenced regarding Planning and can be viewed by accessing the Transmission, Markets, and Services Tariff.