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Hydro One Overview

Hydro One Limited is an electricity transmission and distribution utility serving the Canadian province of Ontario. Hydro One traces its history to the early 20th century and the establishment of the Hydro-Electric Power Commission of Ontario.
Founded in 1999, Hydro One is an established company that loves to hire graduates from Piedmont Technical College, with 11.1% of its employees having attended Piedmont Technical College. Hydro One has established itself as a great place to work in South Carolina, and it is number 1 on Zippia's list of Best Companies to Work for in Greenwood, SC.
A large manufacturing company with 7,900 employees and an annual revenue of $6.0B, Hydro One is headquartered in South Carolina.

The Organization’s Mission

Our mission is to become the world leader in scientific advancements that deliver nutritional supplements through water-based beverages.







Founded in



Greenwood, SC


Organization Type


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The Team At Hydro One

Key People

    Mark Poweska (ceo)

    Samad Nasrollahi (Executive Officer)

    Mark Fields (Executive Officer)

    Babak Baban (Executive Officer)

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Hydro One Rankings

Hydro One is ranked #58 on the Best Companies to Work For in South Carolina 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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Hydro One Careers

On average, employees at Hydro One stay with the company for 1.3 years.

Average Length of Employment
SMUD2.5 years

Hydro One

1.3 years

Hydro One Employee Demographics

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.

Hydro One Employees Education

Employees at Hydro One most frequently majored in Electrical Engineering, and most employees’ highest level of education is a Bachelors.

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Hydro One Financial Performance

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


> $1B

Founded in


Organization type


Hydro One Financing Rounds

DateAmountSecurity Type
Jul 16, 2009Equity
Jul 16, 2009

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Hydro One Competitors

Frequently Asked Questions about Hydro One

How many Employees does Hydro One have?

Hydro One has 7,900 employees.

How much money does Hydro One make?

Hydro One generates $6.0B in revenue.

What industry is Hydro One in?

Hydro One is in the utilities industry.

What is Hydro One's mission?

Hydro One's mission statement is "Our mission is to become the world leader in scientific advancements that deliver nutritional supplements through water-based beverages."

What type of company is Hydro One?

Hydro One is a public company.

Who are Hydro One's competitors?

Hydro One competitors include Edison Mission Group, SMUD, Oncor Electric Delivery, PJM Interconnection, Electric Power Research Institute, Arizona Public Service, Idaho Power, San Diego Gas & Electric, Pittsburgh Water & Sewer Authority, Southern California Edison, Bonneville Power Administration, Salt River Project, Infinite Energy, NRECA, National Grid USA Service Company, Conectiv Energy Holding Company, NTUA, Hawaiian Electric Industries, The United Illuminating Company, Kansas City Power and Light Company.

Who works at Hydro One?

Mark Poweska (ceo)

Samad Nasrollahi (Executive Officer)

Mark Fields (Executive Officer)

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Where is Hydro One's headquarters?

Hydro One's headquarters is in Greenwood, SC.

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Updated May 18, 2020

Zippia gives an in-depth look into the details of Hydro One, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Hydro One. The employee data is based on information from people who have self-reported their past or current employments at Hydro One. 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. The data presented on this page does not represent the view of Hydro One and its employees or that of Zippia.

Hydro One may also be known as or be related to HYDRO ONE LLC, Hydro One, Hydro One LLC, Hydro One Networks Inc. and Hydro One, LLC.