1 Includes wind energy de-bundled from renewable energy credits (RECs); learn more about RECs
2 Includes wind energy purchased for Windsource®
3 Includes solar energy generated by customer-owned systems through Solar*Rewards®
4 “Other” includes small amounts of power purchased from a number of sources
|Type||Plants||Units||Net Dependable Capacity in Megawatts (MW)|
|1 Wind generation is based on net maximum capacity.|
Learn more about Xcel Energy’s power plants.
|WestGas Interstate (WGI)1||11||--|
|1 WGI is an interstate natural gas pipeline company that is part of our continuing regulated utility operations.|
Throughout our service territory we operate 289,989 conductor miles of transmission and distribution lines.
|Transmission Lines||Distribution Lines||Transmission and Distribution Lines by Voltage|
|500 kV||345 kV||230 kV||161 kV||138 kV||115 kV||<115 kV|
(Provided in conductor miles— a measure of the conductor in use on our system in miles; it accounts for all conductor phases or strands on a circuit)
2014 System Average Interruption Duration Index (SAIDI)
The System Average Interruption Duration Index (SAIDI) measures the average number of minutes a typical customer was without power in a year.
- Xcel Energy
2014 System Average Interruption Frequency Index
The System Average Interruption Frequency Index (SAIFI) measures the average number of power outages that an average customer experienced in a year.
2014 Customer Average Interruption Duration Index
The Customer Average Interruption Duration Index (CAIDI) measures the length of the average power outage in a year.