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Elizabeth S. Jacobs
Chair
Nick Wagner
Board Member
Sheila K. Tipton
Board Member

Iowa's Electric Profile (as of December 31, 2006)

The Iowa Utilities Board (IUB) has regulatory authority over Investor-owned utility (IOU) rates and other service issues.   IUB authority is mostly limited to service, safety, and engineering issues for the Municipal Electric (Muni) and Rural Electric Cooperative (REC) utilities in Iowa.  The IUB has very limited authority for non-utility generators.

Electric Generation Profile: Most Recent | 2009 | 2008 | 2007 | 2006

Wind-powered Electricity Generation in Iowa

Utility Type
# of Utilities
# of Customers
% Customers
2006
MWh Sales1
% Sales
IOU
2
1,103,531
72.20%
32,580,601
75.06%
Muni
136
208,059
13.61%
5,406,789
12.46%
REC
46
216,863
14.19%
5,419,472
12.48%
Total
184
1,528,453
100.00%
43,406,862
100.00%

Note:  (1) IOU and Muni sales exclude sales for resale.  REC sales exclude Generation & Transmission (G&T) production.

Source:  2006 Annual Utility Reports (IE-1s, EC-1s, & ME-1s)

 

Utility Company Generator Capacity by Utility Type 1
MW
Percent
IOU
9,154
83.35%
Muni
1,141
10.39%
REC G&T
688
6.26%
Total
10,983
100.00%

Note: (1) Capacity owned by utility companies serving Iowa.

Source:  2006 Annual Utility Reports (IE-1s, EC-1s, & ME-1s) & 2003 IUB Report

 

Electric Generation in Iowa by Primary Energy Source
Nameplate
Capacity (MW)1
Percent
2006
Generation (MWh)2
Percent
Coal
6,492
54.1%
34,405,292
75.6%
Natural Gas
2,728
22.7%
2,399,947
5.3%
Fuel Oil / Petroleum
1,123
9.4%
208,280
0.5%
Nuclear
597
5.0%
5,095,442
11.2%
Wind
921
7.7%
2,317,821
5.1%
Hydro
131
1.1%
909,348
2.0%
Other Renewables
15
0.1%
147,325
0.3%
Total
12,008
100.0%
45,483,455
100.0%

Notes: (1) Capacity physically located in Iowa and includes non-utility generators such as merchant plants, hospitals, colleges/universities, and industrials. (2) Generation from all Iowa assets as noted in Note 1.

Sources: (1) Capacity:  U.S. Department of Energy, Energy Information Administration EIA-860 for Calendar Year 2006. (2) Generation:  EIA-906/920 for Calendar Year 2006.

Links to other data and information on the electric utility industry.