IRC Members "At A Glance" 
 

Member

Headquarters

Installed
Generation

Miles
Lines

Pop.

 AESO

 Calgary, AB

12,141 MW

13,132

3.5 M

 CAISO

 Folsom, CA

54,500 MW

25,526

30 M

 ERCOT

 Austin, TX

71,637 MW

38,000

20 M

 IESO

 Toronto, ON

31,000 MW 18,020 12.7 M

 ISONE

 Holyoke, MA

32,000 MW 8,000 14 M

 MISO

 Carmel, IN

162,981 MW 93,600 40 M

 NBSO

 Fredericton, NB

6,723 MW 8,389 1.16 M

 NYISO

 Rensselaer, NY

44,851 MW 11,000 19.2 M

 PJM

 Valley Forge, PA

164,634 MW 56,070 51 M

 SPP

 Little Rock, AR

50,392 MW 40,364 4.5 M