NEPOOL Member Voting Member Company Sector Voting Member Date Joined AVANGRID Transmission Y Related Persons Company Sector Voting Member Date Joined Central Maine Power Company Transmission N 9/1/71 New York State Electric & Gas Corporation Transmission N 8/1/00 United Illuminating Company, The Transmission N 9/1/71 UIL Distributed Resources LLC Transmission N 9/1/15 GenConn Energy LLC Transmission N 7/1/08 Avangrid Networks, Inc. Transmission N 2/1/20 Avangrid Renewables, LLC Transmission N 5/1/05 Vineyard Wind LLC Transmission N 9/1/18 Back to Current Members