This is the National Grid Open Access Same-Time Information System (OASIS) site for all National Grid Transmission Providers, including New England Power Company and Niagara Mohawk Power Corporation. FERC Orders and NAESB (North American Energy Standards Board) standards require the posting of the following information on the Company Website or OASIS; this information can also be viewed on National Gridís webOASIS site:

Standards of Conduct

Performance Metrics
Business Practices, Waivers, and Exemptions
ATC Information
NAESB WEQ Standards
Additional information related to transmission interconnections and service is provided under the following categories:
Service and Rates
Filings and Studies
Miscellaneous Postings
Notice of Transmission Service Request; dated 03/02/11 (.pdf)
Notification of Retirement of Monroe HVDC Converter Terminal (.pdf)
Request for Proposal (RFP) for Western New York (.pdf)
National Grid Affiliate ISO-NE Settlement Postings (.pdf)

Contact Information

For more information about the OASIS, or if you have any questions about National Grid transmission services, please contact

National Grid's Chief Compliance Officer is Ronald J. Macklin, Senior Vice President & US General Counsel. He may be contacted via email or at (929) 324-5248.

For Customer Service issues or questions—please visit our Corporate Contact Us form to email Customer Service.

Please visit the National Grid website for links to our Corporate and Distribution websites.