Iowa's Electric Profile

 

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.

Iowa Utility Electric Profile (2015)

Utility Type # of Utilities # of Customers % Customers MWh Sales1 % Sales
IOU 2 1,151,155 72.31% 35,328,747 75.02%
Muni 136 212,544 13.35% 5,286,000 11.22%
REC 44 228,293 14.34% 6,477,034 13.75%
Total 182 1,591,992 100.00% 47,091,781 100.00%

 

Note:  (1) IOU, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Amana Society Service Company
 is an investor-owned utility but it is not rate regulated due to the number of customers it serves. For this reason, it files its annual report information on Form EC-1 rather than Form IE-1. The information required in the Form IE-1 is more applicable to a rate-regulated utility.

Source:  2015 Annual Utility Reports (Form IE-1, Form EC-1, & Form ME-1)

 

Iowa Electric Profile (Including Non-Utility Generation)

Electric Generation in Iowa by Primary Energy Source 2015 Nameplate
Capacity (MW)1
Percent 2015
Generation (MWh)2
Percent
Coal 6.867 37.51% 29,811,075 52.61%
Wind 6,314 34.49% 17,872,632 31.54%
Natural Gas 3,124 17.06% 2,398,135 4.23%
Petroleum 1,171 6.40% 110,292 0.19%
Nuclear 680 3.71% 5,243,446 9.25%
Hydro 129 0.71% 960,145 1.69%
Other & Other Renewables 23 0.13% 263,194 0.46%
Total 18,307 100.00% 56,658,919 100.00%

 

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, 920 and 923.

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

2014

Iowa Utility Electric Profile (2014)

Utility Type # of Utilities # of Customers % Customers MWh Sales1 % Sales
IOU 2 1,142,515 72.26% 35,204,282 74.51%
Muni 136 211,619 13.38% 5,376,386 11.38%
REC 44 227,023 14.36% 6,664,966 14.11%
Total 182 1,581,157 100.00% 47,245,634 100.00%

 

Note:  (1) IOU, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Amana Society Service Company
 is an investor-owned utility but it is not rate regulated due to the number of customers it serves. For this reason, it files its annual report information on Form EC-1 rather than Form IE-1. The information required in the Form IE-1 is more applicable to a rate-regulated utility.

Source:  2014 Annual Utility Reports (Form IE-1, Form EC-1, & Form ME-1)

 

Iowa Electric Profile (Including Non-Utility Generation)

Electric Generation in Iowa by Primary Energy Source 2014 Nameplate
Capacity (MW)1
Percent 2014
Generation (MWh)2
Percent
Coal 7,133 40.11% 33,732,766 59.33%
Wind 5,667 31.87% 16,306,756 28.68%
Natural Gas 2,966 16.68% 1,372,515 2.41%
Petroleum 1,167 6.56% 143,929 0.25%
Nuclear 680 3.82% 4,152,468 7.30%
Hydro 129 0.73% 878,605 1.55%
Other & Other Renewables 43 0.24% 266,245 0.47%
Total 17,784 100.00% 56,853,284 100.00%

 

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, 920 and 923.

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

2013

Iowa Utility Electric Profile (2013)

Utility Type # of Utilities # of Customers % Customers MWh Sales1 % Sales
IOU 2 1,135,902 72.22% 34,804,143 74.49%
Muni 136 211,407 13.44% 5,346,595 11.44%
REC 44 225,624 14.34% 6,571,420 14.07%
Total 182 1,572,933 100.00% 46,722,158 100.00%

 

Note:  (1) IOU, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Amana Society Service Company
 is an investor-owned utility but it is not rate regulated due to the number of customers it serves. For this reason, it files its annual report information on Form EC-1 rather than Form IE-1. The information required in the Form IE-1 is more applicable to a rate-regulated utility.

Source:  2013 Annual Utility Reports (Form IE-1, Form EC-1, & Form ME-1)

 

Iowa Electric Profile (Including Non-Utility Generation)

Electric Generation in Iowa by Primary Energy Source 2013 Nameplate
Capacity (MW)1
Percent 2013
Generation (MWh)2
Percent
Coal 7,080.40 41.24% 33,302,345 58.76%
Wind 5,154.10 30.02% 15,568,406 27.47%
Natural Gas 2,936.40 17.10% 1,430,012 2.52%
Petroleum 1,175.10 6.84% 141,456 0.25%
Nuclear 679.50 3.96% 5,320,785 9.39%
Hydro 129.20 0.75% 749,122 1.32%
Other Renewables 15.60 0.09% 158,630 0.28%
Total 17,170.3 100.00% 56,670,757 100.00%

 

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, 920 and 923.

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

2012

Iowa Utility Electric Profile (as of December 31, 2012)

UTILITY TYPE # OF UTILITIES # OF CUSTOMERS % CUSTOMERS MWH SALES1 % SALES
IOU 2 1,129,056 72.18% 34,221,207 74.85%
Muni 136 210,944 13.48% 5,278,633 11.55%
REC 45 224,326 14.34% 6,218,018 13.60%
Total 183 1,564,326 100.00% 45,717,858 100.00%

 

Note:  (1) IOU, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Amana Society Service Company
 is an investor-owned utility but it is not rate regulated due to the number of customers it serves. For this reason, it files its annual report information on Form EC-1 rather than Form IE-1. The information required in the Form IE-1 is more applicable to a rate-regulated utility.

Source:  2012 Annual Utility Reports (Form IE-1, Form EC-1, & Form ME-1)

 

Iowa Electric Profile (Including Non-Utility Generation)

ELECTRIC GENERATION IN IOWA BY PRIMARY ENERGY SOURCE 2012 NAMEPLATE
CAPACITY (MW)1
PERCENT 2012
GENERATION (MWH)2
PERCENT
Coal 7,215.90 41.78% 35,331,351 62.34%
Wind 5,103.90 29.55% 14,032,489 24.76%
Natural Gas 2,936.10 17.00% 1,940,886 3.42%
Fuel Oil / Petroleum 1,189.70 6.89% 106,557 0.19%
Nuclear 679.50 3.93% 4,346,995 7.67%
Hydro 131.30 0.76% 766,191 1.35%
Other Renewables 14.60 0.08% 150,934 0.27%
Total 17,271.00 100.00% 56,675,403 100.00%

 

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, 920 and 923.

2011

Iowa Utility Electric Profile (as of December 31, 2011)

UTILITY TYPE # OF UTILITIES # OF CUSTOMERS % CUSTOMERS MWH SALES1 % SALES
IOU 2 1,124,263 72.09% 34,091,475 74.63%
Muni 136 212,227 13.61% 5,361,372 11.74%
REC 45 223,057 14.30% 6,224,208 13.63%
Total 183 1,559,547 100.00% 45,677,055 100.00%

 

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 2011 NAMEPLATE
CAPACITY (MW)1
PERCENT 2011
GENERATION (MWH)2
PERCENT
Coal 7,439.20 45.17% 38,229,360 67.82%
Wind 4,301.60 26.12% 10,709,177 19.00%
Natural Gas 2,739.30 16.63% 991,183 1.76%
Fuel Oil / Petroleum 1,164.60 7.07% 141,020 0.25%
Nuclear 679.50 4.13% 5,215,229 9.25%
Hydro 131.30 0.80% 925,352 1.64%
Other Renewables 14.60 0.09% 160,592 0.28%
Total 16,470.10 100.00% 56,371,913 100.00%

 

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, 920 and 923.

2010

Iowa Utility Electric Profile (as of December 31, 2010)

UTILITY TYPE # OF UTILITIES # OF CUSTOMERS % CUSTOMERS MWH SALES1 % SALES
IOU 2 1,120,878 72.10% 33,866,121 74.48%
Muni 136 211,317 13.59% 5,322,233 11.71%
REC 45 222,551 14.31% 6,281,450 13.81%
Total 183 1,554,746 100.00% 45,469,804 100.00%

 

Note:  (1) IOU, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Source:  2010 Annual Utility Reports (IE-1s, EC-1s, & ME-1s)

Iowa Electric Profile (Including Non-Utility Generation)

ELECTRIC GENERATION IN IOWA BY PRIMARY ENERGY SOURCE 2010 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 14.60 0.09% 190,146 0.33%
Total 15,756.90 100.00% 57,508,721 100.00%

 

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, 920 and 923.

2009

Iowa Utility Electric Profile (as of December 31, 2009)

UTILITY TYPE # OF UTILITIES # OF CUSTOMERS % CUSTOMERS MWH SALES1 % SALES
IOU 2 1,116,923 72.16% 32,115,368 74.08%
Muni 136 209,438 13.53% 5,091,206 11.74%
REC 45 221,454 14.31% 6,146,562 14.18%
Total 183 1,547,815 100.00% 45,470,258 100.00%

 

Note:  (1) IOU, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Source:  2009 Annual Utility Reports (IE-1s, EC-1s, & ME-1s)

Iowa Electric Profile (Including Non-Utility Generation)

ELECTRIC GENERATION IN IOWA BY PRIMARY ENERGY SOURCE 2009 NAMEPLATE
CAPACITY (MW)1
PERCENT 2009
GENERATION (MWH)2
PERCENT
Coal 7,630.20 47.60% 37,351,436 72.02%
Wind 3,670.12 22.89% 7,420,520 14.31%
Natural Gas 2,778.40 17.33% 1,184,217 2.28%
Fuel Oil / Petroleum 1,126.60 7.03% 85,251 0.16%
Nuclear 679.50 4.24% 4,678,931 9.02%
Hydro 131.30 0.82% 971,165 1.87%
Other Renewables 14.60 0.09% 168,544 0.32%
Total 16,030.72 100.00% 51,860,063 100.00%

 

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, 920 and 923.

2008

Iowa Utility Electric Profile (as of December 31, 2008)

UTILITY TYPE # OF UTILITIES # OF CUSTOMERS % CUSTOMERS 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)

 

Iowa Electric Profile (Including Non-Utility Generation)

ELECTRIC GENERATION IN IOWA BY PRIMARY ENERGY SOURCE 2008 NAMEPLATE
CAPACITY (MW)1
PERCENT 2008
GENERATION (MWH)2
PERCENT
Coal 7,502.60 50.22% 40,410,107 76.12%
Natural Gas 2,785.30 18.65% 2,163,191 4.07%
Wind 2,660.90 17.81% 4,083,787 7.69%
Fuel Oil / Petroleum 1,163.80 7.79% 161,127 0.30%
Nuclear 679.50 4.55% 5,282,202 9.95%
Hydro 131.30 0.88% 819,047 1.54%
Other Renewables 14.60 0.10% 167,325 0.32%
Total 14,938.00 100.00% 53,086,786 100.00%

 

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.

2007

Iowa Utility Electric Profile (as of December 31, 2007)

UTILITY TYPE # OF UTILITIES # OF CUSTOMERS % CUSTOMERS MWH SALES1 % SALES
IOU 2 1,111,097 72.17% 33,886,360 75.29%
Muni 136 209,662 13.62% 5,443,908 12.10%
REC 46 218,817 14.21% 5,676,775 12.61%
Total 184 1,539,576 100.00% 45,007,043 100.00%

Note:  (1) IOU, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Source:  2007 Annual Utility Reports (IE-1s, EC-1s, & ME-1s)

 

Iowa Electric Profile (Including Non-Utility Generation)

ELECTRIC GENERATION IN IOWA BY PRIMARY ENERGY SOURCE 2007 NAMEPLATE
CAPACITY (MW)1
PERCENT 2007
GENERATION (MWH)2
PERCENT
Coal 7,484.60 55.90% 37,985,566 76.29%
Natural Gas 2,776.10 20.73% 3,090,879 6.21%
Wind 1,169.90 8.74% 2,756,676 5.54%
Fuel Oil / Petroleum 1,132.80 8.46% 312,034 0.63%
Nuclear 679.50 5.08% 4,518,875 9.08%
Hydro 131.30 0.98% 962,346 1.93%
Other Renewables 14.60 0.11% 162,841 0.33%
Total 13,388.8 100.00% 49,789,217 100.00%

 

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. (2) Generation:  EIA-906/920.

2006

Iowa Utility Electric Profile (as of December 31, 2006)

UTILITY TYPE # OF UTILITIES # OF CUSTOMERS % CUSTOMERS 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, Muni, and REC totals exclude sales for resale.  REC totals exclude sales to Generation & Transmission (G&T). 
Source:  2006 Annual Utility Reports (IE-1s, EC-1s, & ME-1s)

 

Iowa Electric Profile (Including Non-Utility Generation)

 

ELECTRIC GENERATION IN IOWA BY PRIMARY ENERGY SOURCE

2006 NAMEPLATE
CAPACITY (MW)1
PERCENT 2006
GENERATION (MWH)2
PERCENT
Coal 6,492.00 54.1% 34,405,292 75.6%
Natural Gas 2,728.00 22.7% 2,399,947 5.3%
Fuel Oil/Petroleum 1,123.00 9.4% 208,280 ">0.5%
Nuclear 597.00 5.0% 5,095,442 11.2%
Wind 921.00 7.7% 2,317,821 5.1%
Hydro 131.00 1.1% 909,348 2.00%
Other Renewables 15.00 0.1% 147,325 0.33%
Total 12,008 100.00% 45,483,455 100.00%

 

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.