Rock Energy
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About Rock Energy
With headquarters in Janesville, Wisconsin, Rock Energy offers electricity services 2 states throughout the nation. On recent government reports, the provider reported a total of 19,119 electricity customers signed up for their services. This total is made up of 17,347 residential customer accounts, 1,678 commercial accounts and 94 industrial customers. Rock Energy averages 15.20 cents per kilowatt hour charged to their consumers for residential electricity, which is 6.27% below the nationwide average of 16.22 cents. In 2023 they sold 524,065 megawatt hours to end users (known as retail sales). During the same timeframe, Rock Energy acquired 545,807 megawatt hours through the wholesale market. The total revenue for Rock Energy for 2023 from electricity sales was $54,068,000, with $53,718,000 coming from retail sales to end users.
Customers of the provider pay an average monthly residential electricity bill of $136.66. This is 4.69% less than the US average of $143.38. Solar facilities owned or operated by the company produce 203.93 megawatt hours, which is 0.12% of their total production amount. Production by the supplier from natural gas totals 169,400.16 megawatt hours, which is about 99.88% of their total generation. The supplier's consumers are faced with an average of 0.22 electrical outages per consumer per year. These outages last an average of 21.91 minutes, while the US average is 1.44 outages per customer and 123.49 minutes each outage.
Offering net metering to customers is a win-win situation for Rock Energy and any people who get their electricity from the company. This is a positive for any consumer potentially installing private solar panels, as net metering allows them to sell their unused kilowatt hours into the grid.
All companies who transmit electricity suffer from some energy loss via heat depletion or other factors. Rock Energy is no different, as they average an annual loss of roughly 3.94% of the total electricity they generate. This percentage of loss results in them being given a rank of 792nd best out of 3530 companies who report energy loss in the nation.
Rock Energy Rate & Electric Bills
Rock Energy residential electric rates are highest in May and the highest average bill is in January.
Historical Electricity Rates:
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Rock Energy Overview
- Company Type:Cooperative
- Headquarters:2815 Kennedy Road
Janesville, Wisconsin 53545
United States of America - CEO:Larson Shane
Rock Energy Contact
- Website:www.rock.coop
- Customer Service Phone:(866) 752-4550
- Contact Page:www.rock.coop
Rock Energy Service
- Outage Map:ebill.rock.coop
- Outage Phone:(866) 752-4550
- States Served:
- Illinois
- Wisconsin
- Counties Served:
- Dane County
- Winnebago County
- Rock County
- Boone County
- Major Cities Served:
- Janesville
- Beloit
- Roscoe
- Rockton
- South Beloit
- Edgerton
- Milton
- Clinton
- Sharon
- Orfordville
Quick Facts About Rock Energy
Rock Energy produces 169,400.16 megawatt hours from non-renewable fuels, which is 11th in Wisconsin out of 116 companies.
Rock Energy produces 0.12% of their electricity from renewable fuel sources, which ranks them 447th in the United States out of the 3530 providers we track.
Rock Energy has the 341st highest total electricity generation in the nation, producing 169,604.09 megawatt hours.
Energy Loss
Rock Energy's energy loss due to business operations.
Total Energy Loss
21,483MWh
792 National Rank
Grid Reliability
Length & Frequency of Rock Energy's Power Outages
21.91 min.
vs. national average of 123.49 min.
0.22 outages/yr
vs. national average of 1.44
Rock Energy Production, Sales, and Emissions by Fuel Types
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Rock Energy Coverage Map

Rock Energy State Coverage
| State | Customers | Sales ($) | State Rank Based On Revenue | % of Provider's Residential Sales in State |
|---|---|---|---|---|
| Illinois | 11,095 | 34,322,977.43 | 29 | 53.7% |
| Wisconsin | 7,952 | 28,708,067.58 | 26 | 46.3% |
Rock Energy County Coverage
| County | Population | Providers | Avg. County Rate (¢) | Avg. Electric Bill |
|---|---|---|---|---|
| Boone County | 53,592 | 55 | 21.40 | $139.32/mo |
| Dane County | 568,203 | 11 | 17.63 | $112.30/mo |
| Rock County | 164,060 | 5 | 16.39 | $126.19/mo |
| Winnebago County | 282,188 | 55 | 21.38 | $139.29/mo |
Power Plants Owned by Rock Energy
| Plant | City/County | State | Primary Fuel Type | Production (MWh) | Emission (kg) | Emissions/MWh | Toxic Chemical Release | Closing Date |
|---|---|---|---|---|---|---|---|---|
| Rock County | WI | Natural Gas | 4,589,957 | 1,614,259,661.28 | 351.69 |
Rock Energy Production Fuel Makeup
Cities Rock Energy Has Coverage
- Beloit, WI
- Clinton, WI
- Edgerton, WI
- Footville, WI
- Janesville, WI
- Milton, WI
- Orfordville, WI
- Rockton, IL
- Roscoe, IL
- Sharon, WI
- South Beloit, IL
* City coverage generated based on government data. Always verify you can get service from the provider.
Rock Energy Reviews
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Rock Energy FAQ:
What is the average bundled bill for Rock Energy customers each month?
Customers of Rock Energy pay, on average, a monthly bundled bill of $136.66.
What is the average BUNDLED electricity rate for Rock Energy customers?
The average BUNDLED price of electricity for consumers of Rock Energy is 15.20 cents per kilowatt hour (¢/kWh).
How many states does Rock Energy offer service to?
There are 2 states that receive at least some electricity coverage by Rock Energy.
How many counties does Rock Energy sell electricity to?
Rock Energy sells electricity in 4 counties in the nation including Illinois and Wisconsin.
What percentage of Rock Energy's electricity is produced from renewable fuels?
Electric facilities owned by or associated with Rock Energy produce 0.12% of their electricity using renewable fuel sources.
Who is the CEO of Rock Energy?
Larson Shane is the current CEO of Rock Energy.
What is the phone number for Rock Energy?
The Rock Energy phone number is (866) 752-4550.
What cities does Rock Energy have customers in in?
Rock Energy supplies to 11 cities.
When will Rock Energy power be restored?
Rock Energy's outages last, on average, around 21.908 minutes per each outage.
What percentage of Rock Energy's electricity is produced using nonrenewable fuels?
Rock Energy produces 99.88% of their electricity from nonrenewable fuel types.
How many power plants are owned by or associated with Rock Energy?
There is one power plant owned by or associated with Rock Energy.