Explore some of ISO New England’s most helpful and popular data about the region’s power system and wholesale electricity markets. Many stats illustrate the significant progress made since the ISO’s inception in developing a regional power system that is more reliable, cost-effective, and environmentally sound.
8,500 miles of high-voltage transmission lines (115 kV and above)
13 transmission interconnections to electricity systems in New York and Eastern Canada
16% of region’s energy needs met by imports in 2014
609 project components placed in service across the region since 2002 to fortify the transmission system; 220 planned, proposed, or under construction through 2019 (source: March 2015 Regional System Plan Project List)
Developers have proposed multiple transmission projects to access non-carbon-emitting resources
Over 400 buyers and sellers in the wholesale electricity marketplace
$10.5 billion traded in wholesale electricity markets in 2014: $9.1 billion in energy markets and $1.4 billion in capacity and ancillary services markets (source: preliminary settlements data, subject to reconciliation)