Summary of Electricity Activity in Winnebago County, IL

Summary of Winnebago County, IL Generation

Winnebago County, IL is ranked #1,307 out of 2,164 U.S. counties nationwide and #51 out of 78 Illinois counties in terms of total annual net electricity generation.

Annual Generation 189.4 GWh
Annual Consumption 1.8 M MMBtu
Last UpdateAug 2025
Power Plants23
Companies on File21

Map of Top Producing Plants in Winnebago County, IL

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Overall National Rank

#1,307 /2,164 U.S. Counties

In Net Annual Generation

Overall State Rank

#51 /78 Illinois Counties

In Net Annual Generation

Overall Annual Net Geneneration

189.4 GWh

Total Annual Fuel Consumption

1.8 M MMBtu

Electric Companies in Winnebago County, IL

21

Winnebago County, IL
Power Plants

23

Annual Net Generation From natural gas power

146.6 GWh

National Rank in Terms of natural gas Net Electricity Generation

#502 /929 U.S. Counties

State Rank in Terms of natural gas Net Electricity Generation

#13 /31 Illinois Counties

Monthly Net Generation for Winnebago County, IL

Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#51 / 78#1307 / 2164189.37 GWh1.84 M MMBtu
Natural Gas#13 / 31#502 / 929146.61 GWh1.62 M MMBtu
Solar#27 / 58#667 / 123329.36 GWh102.35 k MMBtu
Other Biomass Gas#1 / 1#29 / 557.74 GWh103.27 k MMBtu
Water#6 / 6#504 / 5475.67 GWh21.35 k MMBtu

Power Plants in Winnebago County, IL

PlantUtility NameGenerationConsumptionFuel Types
NRG Rockford IRockford Generation LLC80.3 GWh911.5 k MMBtu Natural Gas
NRG Rockford II Energy CenterRockford Generation LLC64.6 GWh679.5 k MMBtu Natural Gas
Kishwaukee CHP PlantFour Rivers Sanitation Authority9.4 GWh129.8 k MMBtu Other Biomass Gas : 82.0% Natural Gas : 18.0%
RocktonEagle Creek Renewable Energy, LLC5.7 GWh21.4 k MMBtu Water
CED Hilltop SolarBay4 Energy Services, LLC4.4 GWh15.3 k MMBtu Solar
Rockford CS 1Rockford CS 1, LLC4.1 GWh14.5 k MMBtu Solar
Rockford CSGRockford Baxter Rd Holdco LLC CSG4.1 GWh14.4 k MMBtu Solar
Rockford CS 2Rockford CS 2, LLC4.1 GWh14.3 k MMBtu Solar
Rockford SolarRockford Solar, LLC3.6 GWh12.6 k MMBtu Solar
Rockford Solar FarmRockford Solar Partners3.5 GWh12.4 k MMBtu Solar
Slidematic at RockfordLuminace Solar Illinois 2, LLC3.3 GWh11.2 k MMBtu Solar
All World Solar FacilityAll World Machinery Supply, Inc.2.2 GWh7.6 k MMBtu Solar
Machesney ParkSolar DG IL 1 LLC3.0 MWh10 MMBtu Solar
AES Bend Solar I, LLCAES Clean Energy0.0 Wh0 MMBtu No Information Available
AES Bend Solar II, LLCAES Clean Energy0.0 Wh0 MMBtu No Information Available
Ingersoll Milling MachineIngersall Machine Tools Inc.0.0 Wh0 MMBtu No Information Available
Lowe's - 1440 - Rockford, IL RDC (POI 1)South Springfield Avenue Solar Project 2022, LLC0.0 Wh0 MMBtu No Information Available
Lowe's - 1440 - Rockford, IL RDC (POI 2)South Springfield Avenue II Solar Project 2022, LLC0.0 Wh0 MMBtu No Information Available
Mondelez Global LLCMondelez Global, LLC0.0 Wh0 MMBtu No Information Available
Rockford PlantSoCore Energy LLC0.0 Wh0 MMBtu No Information Available
SabrookeMidwest Generations EME LLC0.0 Wh0 MMBtu No Information Available
VarnsenCypress Creek Renewables0.0 Wh0 MMBtu No Information Available
Winnebago Energy Center LLCWinnebago Energy Center LLC0.0 Wh0 MMBtu No Information Available

Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
#1918Boone County8.1 GWh3
#2032Carroll County3.0 GWh1
#854DeKalb County661.7 GWh15
#1566Kane County70.5 GWh14
#237Lee County5.9 TWh12
#1713McHenry County33.4 GWh21
#26Ogle County19.8 TWh12
#147Rock County8.5 TWh15
#946Stephenson County541.0 GWh26
#2007Walworth County4.0 GWh3

* Net Generation data is based on the last 12 months since Sep 2025

Electricity Generation for Cities Located in Winnebago County, IL

State RankCityNet Generation# Power Plants
#164Cherry Valley, IL4.0 GWh2
#233Machesney Park, IL3.0 MWh1
#76Rockford, IL181.5 GWh19
#142Rockton, IL5.7 GWh1
#201Roscoe, IL2.2 GWh1

* Net Generation data is based on the last 12 months since Aug 2025