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CMS Energy Overview

CMS Energy's business strategy is focused primarily on its principal subsidiary, Consumers Energy, Michigan's largest electric and natural gas utility, serving 6.6 million of the state's 10 million residents. With its CMS Enterprises subsidiary, CMS Energy also is engaged in independent power generation in several states.
The staff at CMS Energy come from unusually diverse demographic backgrounds. The company is 24.2% female and 48.6% ethnic minorities. CMS Energy employees are slightly more likely to be members of the Democratic Party than the Republican Party, with 53.0% of employees identifying as members of the Democratic Party. Despite their political differences, employees at CMS Energy seem to be happy. The company has great employee retention with staff members usually staying for 4.4 years.
Based in Michigan, CMS Energy is a key player in the energy industry with 8,148 employees and an annual revenue of $6.4B.







Founded in



Jackson, MI



Organization Type


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CMS Energy Employee Reviews

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Zippia UserAugust 2020


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What Do You Like About Working There?

Being competent on an expert level, helping internal and external customers achieve their goals in an excellent and timely manner. The people I worked with and the customers I helped. Being able to work with a broad range of customers, from the individual residential customer to the commercial/industrial, corporate, municipal, state and federal customers. Paid medical and PTO.

What DON'T You Like About Working There?

Having to experience the harsh, demeaning and disrespectful treatment from those in supervision over me, from my direct supervisor and above. Inequitable and insufficient remuneration (poor pay for too much effort).

What Are Your Favorite Benefits/Perks?

Paid vacation time and holidays.
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What do you like about working for CMS Energy?

The Team At CMS Energy

Key People

Garrick J. Rochow

CMS Energy Company Rankings

CMS Energy is ranked #26 on the Best Energy Companies to Work For in America list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

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CMS Energy Demographics Summary

Diversity Score
We calculated the diversity score of companies by measuring multiple factors, including the ethnic background, gender identity, and language skills of their workforce.

CMS Energy Gender Distribution


Research Summary. Using a database of 30 million profiles, Zippia estimates demographics and statistics for CMS Energy. Our estimates are verified against BLS, Census, and current job openings data for accuracy. After extensive research and analysis, Zippia's data science team found that:

  • CMS Energy has 8,148 employees.

  • 24% of CMS Energy employees are women, while 76% are men.

  • The most common ethnicity at CMS Energy is White (51%), followed by Asian (18%) and Hispanic or Latino (12%).

  • CMS Energy employees are most likely to be members of the democratic party.

  • On average, employees at CMS Energy stay with the company for 4.4 years.

  • The average employee at CMS Energy makes $83,414 per year.

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CMS Energy Employee Political Affiliation

CMS Energy employees are most likely to be members of the Democratic Party. The largest donation made to a political party by an CMS Energy employee was by Patricia Poppe. Patricia Poppe donated $11,000 to the Democratic Party.


Democratic Party

53.2 %

Republican Party

44.7 %


2.1 %

Employee Political Donations

Name  Job Title  Party  Donation  
Patricia PoppeSenior Vice PresidentDemocratic Party$11,000
Laura MountcastleFinance ProfessionalDemocratic Party$8,000
Brian RichSenior Vice PresidentDemocratic Party$6,750
AMY PlasterExecutive DirectorRepublican Party$3,750
Catherine ReynoldsSenior Vice PresidentRepublican Party$3,250
John RussellPresident/Chief Executive OfficerRepublican Party$3,250
David MengebierExecutiveRepublican Party$3,000
Kenneth Whipple JrChairpersonDemocratic Party$3,000
David JoosExecutiveRepublican Party$3,000
Glenn BarbaVice PresidentDemocratic Party$2,500
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CMS Energy Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.

CMS Energy Annual Revenue


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CMS Energy Subsidiaries

Subsidiaries to CMS Energy include Consumers Energy. Employees at the parent company, CMS Energy, earn $83,414 whereas employees at Consumers Energy earn $58,763, on average.
Average Salarydesc
Consumers Energy
Salary Range44k - 76k$59k$58,763

CMS Energy Competitors

Average Salarydesc
World Fuel Services
Salary Range93k - 141k$115k$114,825
The Williams Companies
Salary Range75k - 125k$97k$97,041
Sempra Energy
Salary Range75k - 119k$95k$94,659
Salary Range57k - 107k$78k$78,270
PBF Energy
Salary Range56k - 100k$75k$75,204
Salary Range59k - 91k$74k$73,939
Salary Range57k - 91k$73k$72,840
DTE (Detroit Tool & Engineering)
Salary Range54k - 88k$69k$69,473
American Electric Power
Salary Range45k - 85k$63k$62,596
Salary Range43k - 85k$61k$61,305

Frequently Asked Questions about CMS Energy

When was CMS Energy founded?

CMS Energy was founded in 1987.

How many Employees does CMS Energy have?

CMS Energy has 8,148 employees.

How much money does CMS Energy make?

CMS Energy generates $6.4B in revenue.

What industry is CMS Energy in?

CMS Energy is in the energy industry.

What type of company is CMS Energy?

CMS Energy is a public company.

Who are CMS Energy's competitors?

CMS Energy competitors include Duke Energy, Consumers Energy, Xcel Energy, The Williams Companies, Dynegy, NiSource, Energy Transfer Solutions, DTE (Detroit Tool & Engineering), Sempra Energy, Entergy, FirstEnergy, PSEG, World Fuel Services, PBF Energy, American Electric Power, Calpine.

Who works at CMS Energy?

Garrick J. Rochow (President and CEO)

Where is CMS Energy's headquarters?

CMS Energy's headquarters is in Jackson, MI.

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Zippia gives an in-depth look into the details of CMS Energy, including salaries, political affiliations, employee data, and more, in order to inform job seekers about CMS Energy. The employee data is based on information from people who have self-reported their past or current employments at CMS Energy. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by CMS Energy. The data presented on this page does not represent the view of CMS Energy and its employees or that of Zippia.

CMS Energy may also be known as or be related to CMS Energy and CMS Energy Corporation.