In dictionaries:
Midcontinent Independent System Operator
The Midcontinent Independent System Operator, Inc., formerly named Midwest Independent Transmission System Operator, Inc.url=https://www.misoenergy.org/AboutUs/MediaCenter/pages/MediaCenter.aspx|format=https |accessdate =2013-07-03 is an Independent System Operator and Regional Transmission Organization.
Transmission system operator
A transmission system operator is an entity entrusted with transporting energy in the form of natural gasEuropean Network of Transmission System Operators for Gas ENTSO-G. Retrieved: 2 October 2010.
California Independent System Operator
a non-profit Independent System Operator serving California.
Independent Electricity System Operator
the Crown corporation responsible for operating the electricity market and directing the operation of the bulk electrical system in the province of Ontario, Canada.
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