Company Story
1852 - Formation of the New York State Electric and Gas Corporation (NYSEG)
1926 - Formation of the Rochester Gas and Electric Corporation (RG&E)
1997 - NYSEG and RG&E merge to form Energy East Corporation
2001 - Energy East Corporation acquires Central Vermont Public Service Corporation
2006 - Energy East Corporation acquires RGS Energy Group, Inc.
2008 - Energy East Corporation changes its name to Iberdrola USA
2012 - Iberdrola USA acquires UIL Holdings Corporation
2015 - Iberdrola USA changes its name to Avangrid, Inc.
2016 - Avangrid, Inc. acquires UIL Holdings Corporation and becomes a subsidiary of Iberdrola, S.A.
2017 - Avangrid, Inc. acquires The United Illuminating Company