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Legal & Regulatory

The following legal and regulatory documents include filings and orders to/from FERC and the NYPSC, agreements, and notices to Market Participants.

Effective January 3, 2014, the NYISO Filings at the FERC and related Orders from January 1, 2010 will be accessible on the eTariff Viewer. NYISO Filings and related FERC Orders prior to January 1, 2010, as well as all NYISO non-FERC filings and related orders, will remain available on this page by navigating the document structure below.

A Quick Reference Guide for navigating the Web Viewer can be found here.

Legal & Regulatory


NYISO DOCUMENT DISCLAIMER - The posting of documents on this web site is done for the convenience of the NYISO customers and other interested visitors to the NYISO web site. Please be advised that while the NYISO attempts to conform all posted documents to the original, changes can result from the programs used to format the documents for posting on the web site as well as from the programs used by the viewer to download and read the documents. Accordingly, the NYISO makes no representation or warranty, express or implied, that the documents on this web site are exact reproductions of those documents listed (Invoices are subject to ISO Tariff provisions regarding their initial issuance and final adjustments).