New York ISO
Potomac Economics serves as the Market Monitoring Unit (MMU) to the New York ISO Board of Directors.
The New York ISO is a non-profit company that runs the wholesale markets for electricity and related services and operates the transmission system in New York State. The include markets for energy, operating reserves, capacity, and transmission rights.
As the MMU, Potomac Economics reports directly to the New York ISO’s Board of Directors and monitors each of the markets administered by the New York ISO. The objective of this monitoring is to identify conduct by market participants or market rules that compromise the efficiency or distort the outcomes of the markets.
In this role, Potomac Economics issues annual and quarterly reports providing independent assessments of the competitive performance of the markets and other reports as necessary focused on specific market issues. Potomac Economics also evaluates significant proposed changes in the New York ISO’s market rules.
Search all NYISO Documents & Reports
- Quarterly Report – 2024 Q3 - Published November 2026
- MMU Review of the NYISO 2024 Reliability Needs Assessment - Published October 2024
- MMU Comments re Requirements for Firm Fuel Accreditation - Published October 2024
- MMU Comments on the Demand Curve Reset Technology Choice - Published August 2024
- Quarterly Report – 2024 Q2 - Published August 2024
- MMU Comments re NYISO LCR Second Waiver Request - Published July 2024
- MMU Review of 2023-2042 System and Resource Outlook - Published June 2024
- Quarterly Report – 2024 Q1 - Published June 2024
David Patton | Pallas LeeVanSchaick |
President | Vice President |