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A map showing the electricity (power) grids in the mainland United States.

There are 3 main power grids are:

  • The Eastern Interconnected System, or the Eastern Interconnect
  • The Western Interconnected System, or the Western Interconnect
  • The Texas Interconnected System, or the Texas Interconnect.

The acronyms shown in the map are:

  • ECAR — East Central Area Reliability Coordination Agreement
  • ERCOT — Electric Reliability Council of Texas
  • FRCC — Florida Reliability Coordinating Council
  • MAAC — Mid-Atlantic Area Council
  • MAIN — Mid-America Interconnected Network
  • MAPP — Mid-Continent Area Power Pool
  • NPCC — Northeast Power Coordinating Council
  • SERC — Southeastern Electric Reliability Council
  • SPP — Southwest Power Pool
  • WSCC — Western Systems Coordinating Council

Alaska has an interconnected grid system that connects only Anchorage, Fairbanks, and the Kenai Peninsula. The rest of the state depends on small diesel generators and a few minigrids. Hawaii also has minigrids to serve each island's inhabitants.

Creator uncredited, found at:, Content Last Updated: 05/17/2006, U.S. Government.

In accordance with TITLE 17 > CHAPTER 1 > § 107, this file is believed to be covered by the fair use clause as a work of parody. has no affiliation whatsoever with the originator of this file nor is endorsed or sponsored by the originator.

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current08:26, September 13, 2008Thumbnail for version as of 08:26, September 13, 2008500 × 353 (29 KB)WatchTVEatDonutDrinkBeer (Talk | contribs)A map showing the interconnectivity of electricity grids in the United States. [ Creator uncredited], found at: [], Content L

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