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# ~aps search aboutus news careers doing businesswith us generation &transmission rates, regulations& resources ourcompany generation &transmission generation 

# generation Weexpectto invest$9 billion overthe next 15yearsto build newpowerplantsand related infrastwcturetosupportincreasing energydemand.
coal natural gas nuclear 

# coal-fueled powerplants FourCorners The 2-unit, 1,540-megawatt Four Corners Power Plant, located on the Navajo Indian Reservation west of Farmington, New Mexico, is operated by APS. Fueled by low-sulfurcoal from the nearby Navajo mine and cooled by the nearby Morgan Lake, the plant is owned byAPS and 4 other utilities in the Southwest. APS stake in FourCorners makes 970 megawatts ofenergy available to the APS system. About 8O°/o ofthe employees at the plant are Native American. 

## Cholla The 995-megawatt Cholla Power Plant is located in northeastern Arizona near Holbrook. APS operates the plant and owns Units 1, 2 and 3, which are capable of producing 615 megawatts of electricity. PacifiCorp (PAC) owns the 380-megawatt Unit 4
- the largest unit atthe plant. The two utilities participate in a seasonal power exchange in which PAC customers in the Pacific Northwest receive electricity from the APS system in the winterwhen their electricity demands are high and APS receives PAC power in the summer, during APS’ peak demand. Cholla is fueled by coal from the McKinley Mine in New Mexico. 

## Navajo The Navajo Power Plant is located in northern Arizona on the Navajo Indian Reservation near Page, and features three 750-megawatt coalfueled, steam-electric generating units. An electric railroad delivers coal to the plant from a mine on the Navajo and Hopi Indian Reservations at Black Mesa in northern Arizona. The plant is operated by Salt River Project, and is owned by a partnership of 5 utility companies and the U. S. Bureau of Reclamation. APS owns 14% ofthe plant.

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## https: www.aps.comlenlourcompany generationtransmissionlgeneration!Pageslhome.aspx 11 62014

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## https://www.aps.comlen!ourcompany/generationtransmission]generatjon/pages/home.aspx 11/6/2014