Insights

Mid-size utility Rock Energy Cooperative is a not-for-profit electric and natural gas distributor serving about 26,000 meters across nine counties in northern Illinois and southern Wisconsin, with revenue in the 50-100 million range and a workforce of 11-50 employees. Opportunities may exist for regional technology upgrades, grid modernization partnerships, and services tailored to mid-market utilities.

Nonprofit payer profile As a cooperative with a not-for-profit model, Rock Energy may prioritize cost-effective, long-term partnerships and favorable procurement terms. Explore solutions that demonstrate total cost of ownership benefits, grant-ready projects, and shared-risk financing for infrastructure or digital modernization.

Digital tooling Current tech stack includes Esri ArcMap, ArcGIS, JavaScript, PHP, and related web tools. This signals openness to GIS-enabled asset management, outage mapping, customer analytics, and field-service optimization solutions that integrate with existing GIS and web platforms.

Growth & modernization With an established footprint since 1936 and offices in Janesville and South Beloit, there may be upcoming modernization, reliability improvements, or service-area expansion opportunities. Position offerings around grid reliability, outage management, and scalable digital platforms that serve multi-county operations.

Competitive context Similar companies in the sector range from mid-market cooperatives to large investor-owned utilities. Rock Energy sits in a competitive landscape where value-driven technology, reliability enhancements, and cost efficiency can differentiate proposals. Target them with ROI-focused solutions, FAA-aligned security, and customer experience improvements to stand out.

Rock Energy Cooperative Tech Stack

Rock Energy Cooperative uses 8 technology products and services including Esri ArcMap, Microsoft Publisher, jQuery UI, and more. Explore Rock Energy Cooperative's tech stack below.

  • Esri ArcMap
    Data Management
  • Microsoft Publisher
    Editors
  • jQuery UI
    Javascript Libraries
  • Pantheon
    Platform As A Service
  • JavaScript
    Programming Languages
  • PHP
    Programming Languages
  • ArcGIS
    Visualisation Software
  • X-UA-Compatible
    Web Tools And Plugins

Rock Energy Cooperative's Email Address Formats

Rock Energy Cooperative uses at least 1 format(s):
Rock Energy Cooperative Email FormatsExamplePercentage
FirstL@rock.coopJohnD@rock.coop
73%
LastF@rock.coopDoeJ@rock.coop
12%
First@rock.coopJohn@rock.coop
7%
Last@rock.coopDoe@rock.coop
8%

Frequently Asked Questions

What is Rock Energy Cooperative's phone number?

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You can contact Rock Energy Cooperative's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Rock Energy Cooperative's official website and social media links?

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Rock Energy Cooperative's official website is rock.coop and has social profiles on LinkedIn.

How much revenue does Rock Energy Cooperative generate?

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As of July 2026, Rock Energy Cooperative's annual revenue is estimated to be $50M - $100M.

What is Rock Energy Cooperative's NAICS code?

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Rock Energy Cooperative's NAICS code is 22 - Utilities.

How many employees does Rock Energy Cooperative have currently?

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As of July 2026, Rock Energy Cooperative has approximately 15 employees across 1 continents, including North America. Key team members include Owner: J. H.Director: W. F.Engineering Applications Manager: B. B.. Explore Rock Energy Cooperative's employee directory with LeadIQ.

What industry does Rock Energy Cooperative belong to?

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Rock Energy Cooperative operates in the Utilities industry.

What technology does Rock Energy Cooperative use?

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Rock Energy Cooperative's tech stack includes Esri ArcMapMicrosoft PublisherjQuery UIPantheonJavaScriptPHPArcGISX-UA-Compatible.

What is Rock Energy Cooperative's email format?

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Rock Energy Cooperative's email format typically follows the pattern of FirstL@rock.coop. Find more Rock Energy Cooperative email formats with LeadIQ.
Rock Energy Cooperative logo

Rock Energy Cooperative

UtilitiesWisconsin, United States11-50 Employees

Rock Energy Cooperative is a not-for-profit utility that distributes electricity and natural gas. Established in 1936, it serves about 26,000 meters across a nine-county service area in northern Illinois and southern Wisconsin. The cooperative is headquartered in Janesville, Wisconsin, and maintains an additional office in South Beloit, Illinois.

As a regional energy provider within the utilities sector, Rock Energy Cooperative focuses on safe and reliable delivery of energy across its service area. Its footprint spans cross-state communities within Wisconsin and Illinois, underscoring its role as a local infrastructure utility. More information is available on its website at rock.coop.

Section iconCompany Overview

Phone number
Website
rock.coop
NAICS Code
22 - Utilities
Employees
11-50

Section iconFunding & Financials

  • $50M - $100M

    Rock Energy Cooperative's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Rock Energy Cooperative's revenue is estimated to be in the range of $50M - $100M

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