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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: 2010 | 2009 | 2008 | 2007 | 2006
Wind-powered Electricity Generation in Iowa
Iowa Utility Electric Profile (2011) |
Utility Type |
# of Utilities |
# of Customers |
% Customers |
MWh Sales1 |
% Sales |
IOU |
2 |
1,124,278 |
72.09% |
45,641,903 |
78.15% |
Muni |
136 |
212,227 |
13.61% |
6,261,070 |
10.72% |
REC |
45 |
223,057 |
14.30% |
6,499,518 |
11.13% |
Total |
183 |
1,559,562 |
100.00% |
58,402,491 |
100.00% |
Note: (1) IOU, Muni, and REC totals exclude sales for resale. REC totals exclude sales to Generation & Transmission (G&T).
Source: 2011 Annual Utility Reports (IE-1s, EC-1s, & ME-1s). |
Iowa Electric Profile (Including Non-Utility Generation) |
Electric Generation in Iowa by Primary Energy Source |
Nameplate
Capacity (MW)1 |
Percent |
2010
Generation (MWh)2 |
Percent |
Coal |
7,447.50 |
47.27% |
41,282,937 |
71.79% |
Wind |
3,665.40 |
23.26% |
9,170,337 |
15.95% |
Natural Gas |
2,692.00 |
17.08% |
1,312,195 |
2.28% |
Fuel Oil / Petroleum |
1,126.60 |
7.15% |
154,297 |
0.27% |
Nuclear |
679.50 |
4.31% |
4,450,640 |
7.74% |
Hydro |
131.30 |
0.83% |
948,168 |
1.65% |
Other Renewables/Other |
14.60 |
0.09% |
190,146 |
0.33% |
Total |
15,756.90 |
100.0% |
57,508,721 |
100.0% |
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Notes: (1) Capacity physically located in Iowa and includes non-utility generators such as merchant plants, hospitals, colleges/universities, and industrials.
(2) Generation from assets physically located in Iowa, includes non-utility generators such as merchant plants, hospitals, colleges/universities, and industrials.
Sources: (1) Capacity: Energy Information Administration (EIA) Report 860. (2) Generation: Energy Information Administration (EIA) Reports 906 and 920. |
Links to other data and information on the electric utility industry.
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