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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: Most Recent | 2009 | 2008 | 2007 | 2006
Wind-powered Electricity Generation in Iowa
Utility Type |
# of Utilities |
# of Customers |
% Customers |
2008
MWh Sales1 |
% Sales |
IOU |
2 |
1,115,053 |
72.17% |
33,851,883 |
74.91% |
Muni |
136 |
209,531 |
13.56% |
5,320,689 |
11.77% |
REC |
46 |
220,427 |
14.27% |
6,019,457 |
13.32% |
Total |
184 |
1,545,011 |
100.00% |
45,192,029 |
100.00% |
Note: (1) IOU, Muni, and REC totals exclude sales for resale. REC totals exclude sales to Generation & Transmission (G&T).
Source: 2008 Annual Utility Reports (IE-1s, EC-1s, & ME-1s) |
Electric Generation in Iowa by Primary Energy Source |
Nameplate
Capacity (MW)1 |
Percent |
2008
Generation (MWh)2 |
Percent |
Coal |
7,502.6 |
50.22% |
40,410,107 |
76.12% |
Natural Gas |
2,785.3 |
18.65% |
2,163,191 |
4.07% |
Wind |
2,660.9 |
17.81% |
4,083,787 |
7.69% |
Fuel Oil / Petroleum |
1,163.8 |
7.79% |
161,127 |
0.30% |
Nuclear |
679.5 |
4.55% |
5,282,202 |
9.95% |
Hydro |
131.3 |
0.88% |
819,047 |
1.54% |
Other Renewables/Other |
14.6 |
0.10% |
167,325 |
0.32% |
Total |
14,938.0 |
100.0% |
53,086,786 |
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 all Iowa assets as noted in Note 1.
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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