ISO Maps

Independent System Operator (ISO) Map

A portion of the RG&E service area is located in Zone B - Genesee, which is West of the NYISO interface.

For information about New York State's wholesale energy market and these energy pricing zones, visit the New York Independent System Operator's (NYISO's) website at www.nyiso.com.

The Rochester, Canandaigua-Finger Lakes, Lake Shore and Genesee districts are listed below.

*RG&E services a portion of this area.

  • City of Rochester
  • Village of East Rochester
  • Village of Hilton
  • Village of Pittsford
  • ViIlage of Webster
  • Town of Brighton
  • Town of Henrietta*
  • Town of Penfield
  • Town of Chili
  • Town of Irondequoit
  • Town of Perinton
  • Town of Gates
  • Town of Mendon
  • Town of Pittsford
  • Town of Greece
  • Town of Ogden
  • Town of Parma
  • Town of Webster
  • Town of Macedon
  • Town of Walworth
  • City of Canandaigua
  • Village of Bloomfield
  • Village of Holcomb
  • Village of Manchester
  • Village of Shortsville
  • Village of Victor
  • Town of Bristol
  • Town of Hopewell*
  • Town of Canandaigua
  • Town of Manchester*
  • Town of East Bloomfield
  • Town of South Bristol
  • Town of Farmington
  • Town of Victor
  • Village of Red Creek
  • VIllage of Sodus
  • VIllage of Sodus Point
  • Willage of Walcott
  • Town of Butler
  • Town of Savannah*
  • Town of Huron
  • Town of Sodus
  • Town of Marion
  • Town of Williamson
  • Town of Ontario
  • Town of Walcott
  • Town of Rose
  • Village of Cato
  • Village of Fair Haven
  • Village of Meridian
  • Town of Cato
  • Town of Conquest
  • Town of Ira
  • Town of Sterling
  • Town of Victory
  • Village of Belmont
  • Village of Bolivar
  • Village of Fillmore
  • Village of Friendship
  • Village of Richburg
  • Town of Allen
  • Town of Amity
  • Town of Angelica*
  • Town of Belfast
  • Town of Bolivar
  • Town of Friendship
  • Town of Genesee
  • Town of Granger
  • Town of Hume
  • Town of Rushford
  • Town of Caneadea
  • Town of Wirt
  • Town of Clarksville
  • Village of Pike
  • Town of Arcade*
  • Town of Eagle
  • Town of Genesee Falls*
  • Town of Pike
  • Village of Geneseo
  • Village of Mt. Morris
  • Village of Nunda
  • Town of Geneseo*
  • Town of Leicester*
  • Town of Mt. Morris*
  • Town of Nunda
  • Town of Portage