UniSource Energy Services is an electric and natural gas utility company serving Arizona in the United States. It is a subsidiary of Fortis.
W. B. Foshay Co., a predecessor of Citizens Communications, acquired Southern Arizona Power of Nogales and Desert Power and Water of Kingman in 1927.
In 2003, UniSource Energy (later UNS) acquired Citizen's Arizona gas and electric operations in 2003 and renamed them UniSource Energy Services. In 2013, Fortis announced its acquisition of UNS.
References
- "Foshay Completes New Utilities Grouping". Miami Daily Arizona Silver Belt. Miami, Arizona. 1927-10-10. p. 16.
- AP (1927-03-07). "Fosheys Acquire Nogales Utility". Miami Daily Silver Belt. Miami, Arizona. p. 4.
- Citizens sells Arizona operations to UniSource Energy
- Canadian Utility Buys UNS Energy of Arizona for $2.5 Billion
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