Rock Energy

Electricity Rates, Plans & Statistics

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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 17,931 electricity customers signed up for their services. This total is made up of 16,411 residential customer accounts, 1,420 commercial accounts and 100 industrial customers. Rock Energy averages 12.88 cents per kilowatt hour charged to their consumers for residential electricity, which is 13.17% below the nationwide average of 14.84 cents. In 2021 they sold 547,175 megawatt hours to end users (known as retail sales). During the same timeframe, Rock Energy acquired 555,403 megawatt hours through the wholesale market.

Customers of the provider pay an average monthly residential electricity bill of $112.52. This is 14.65% less than the US average of $131.84. Solar facilities owned or operated by the company produce 185.78 megawatt hours, which is 0.15% of their total production amount. Electricity generation facilities owned or managed by the provider use non-renewable fuels to generate 99.85% of their total electricity generation, or 121,878.89 megawatt hours. They rank 297th out of 3509 suppliers in the nation. They rank 24th out of the 116 companies we track in Wisconsin for their ratio of renewable versus non-renewable fuel sources used.

Rock Energy Net Metering

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.

Energy Loss

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 1.44% of the total electricity they generate. This percentage of loss results in them being given a rank of 143rd best out of 3509 companies who report energy loss in the nation.

Rock Energy Rate & Electric Bills

Rock Energy residential electric rates are highest in January and the highest average bill is in July.

Historical Electricity Rates:

Price Per kWhAverage Bill$0.133/kWh$0.129/kWh$115.14/mo.$110.15/mo.
1725th12.88¢Rock Energy's Average residential price per kWh
1404th$112.52Average monthly electricity bill for Rock Energy's residential customers

Rock Energy Overview

  • Company Type:Cooperative
  • Headquarters:2815 Kennedy Road
    Janesville, Wisconsin 53545
    United States of America
  • CEO:Larson Shane

Rock Energy Contact

Rock Energy Service

  • Outage Phone:(866) 752-4550

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Quick Facts About Rock Energy

With production of 122,064.67 megawatt hours, Rock Energy is ranked 356th for total generation of all providers in the US.

Rock Energy ranks 11th in Wisconsin out of 116 suppliers for total electricity production from natural gas.

Energy Loss

Rock Energy's energy loss due to business operations.


Total Energy Loss


143 National Rank

Rock Energy Energy Makeup

Rock Energy Coverage Map

Coverage Map Placeholder

Rock Energy State Coverage

StateCustomersSales ($)State Rank Based On Revenue% of Provider's Residential Sales in State

Rock Energy County Coverage

CountyPopulationProvidersAvg. County Rate (¢)Avg. Electric Bill
Dane County555,4741115.45$102.04/mo
Rock County163,522414.13$114.01/mo
Winnebago County285,4715115.57$100.56/mo

Power Plants Owned by Rock Energy

PlantCity/CountyStatePrimary Fuel TypeProduction (MWh)Emission (kg)Emissions/MWhToxic Chemical ReleaseClosing Date
Rock County WI Natural Gas 3,299,0451,203,674,642.66364.86

Rock Energy Fuel Makeup

Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas

Cities Rock Energy Has Coverage

* 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 $112.52.

What is the average BUNDLED electricity rate for Rock Energy customers?

The average BUNDLED price of electricity for consumers of Rock Energy is 12.88 cents per kilowatt hour (¢/kWh).

How many counties does Rock Energy offer service to?

There are 3 counties that receive at least some electricity coverage by Rock Energy.

What cities does Rock Energy sell electricity to?

Rock Energy provides electricity in 8 cities in the nation including Illinois and Wisconsin.

What percentage of Rock Energy's electricity is generated from nonrenewable fuels?

Rock Energy generates 99.85% of their electricity using nonrenewable fuel types.

What percentage of Rock Energy's electricity is generated using renewable fuel sources?

Rock Energy produces 0.15% of their electricity from renewable fuels.

How many states does Rock Energy have customers in in?

Rock Energy provides electricity to customers in 2 states.

What is the phone number for Rock Energy?

You can reach Rock Energy by phone via (866) 752-4550.

Who is the CEO of Rock Energy?

The CEO of Rock Energy is Larson Shane.

How many power plants are owned by or associated with Rock Energy?

Rock Energy is associated with or owns one power plant.

Matt Hope
Last Reviewed By: Matt Hope
Published: 2022-09-15