Members:

Executive Level:

Ameren

American Electric Power (AEP)

Arizona Public Service

Commonwealth Edison

DTE Energy

ISO New England

MeterSmart

MidAmerican Energy

Midwest ISO

National Grid

NYSERDA

Pacific Gas & Electric

PJM Interconnection

PPL Electric Utilities

Salt River Project

San Diego Gas & Electric

Southern California Edison

Southern Company

Southwest Power Pool

Xcel Energy

Associate Level:

Progress Energy

Tennessee Valley Authority

Wal-Mart