ISO New England Inc. (ISO-NE) is an independent, non-profit Regional Transmission Organization (RTO), headquartered in Holyoke, Massachusetts, serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. Its board of directors and over 500 employees have no financial interest in any company doing business in the region's wholesale electricity marketplace. ISO-NE was created in 1997 by the Federal Energy Regulatory Commission, as a replacement for the New England Power Pool (NEPOOL), which was created in 1971.