Calpine reviews

4.0

82% would recommend to a friend

(445 total reviews)

Andrew Novotny/Thad Hill

91% approve of CEO

75% positive business outlook

Calpine has an employee rating of 4.0 out of 5 stars, based on 445 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Calpine employee rating is in line with the average (within 1 standard deviation) for employers within the Energy, Mining & Utilities industry (3.7 stars).

Reviews by job title

445 reviews
5.0
Oct 16, 2015

THAD HILL Calpine's newest CEO, bright future ahead

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

One of the best reasons I enjoy working at Calpine are the people. We have the best and the brightest this industry has to offer. The compensation is great and the benefits are second to none. We have a management team that gets it and continues to move the company to higher heights.

Cons

As with any company there are always areas of improvement but I don't have any that I would highlight as being a showstopper.

5.0
Oct 15, 2015

gas scheduling

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Great group of people... very laid back and down to earth atmosphere .. competitive salary with in the Houston industry

Cons

insurance deductible is way to high- and company advancement is almost non existent .. whatever position you hire in at you will most likely end your career at that same position

3.0
Jun 17, 2026
Recommend
CEO approval
Business Outlook

Pros

- Hybrid schedule (3 days in office, 2 days remote) with a generally low-stress environment and good work-life balance. - Stable work environment with predictable expectations and manageable day-to-day responsibilities (specific to my team/manager) - Free catered breakfast on in-office days and a well-stocked kitchen. - Competitive annual bonus program, including prorated eligibility for employees who join mid-year. - My manager lets employees manage their workload without excessive oversight. Management experience may vary across teams.

Cons

- Lack of team culture and camaraderie. Interactions are only work-focused, with little to none team-building or company-wide events. - Compensation is below industry standards for similar roles. - Limited opportunities for career growth, skill development, and innovation. New projects are infrequent, and work can become repetitive and mundane over time. - The Business/Data Analyst role is heavily focused on QA/testing and may not align with expectations of a traditional analyst position. - Workload is highly inconsistent, ranging from very light some days/weeks to exceptionally heavy. - Many IT roles are contract-to-hire, with full-time conversion timelines that can extend well beyond expectations and lack clear communication. - Employee feedback/criticism is not well received by upper management.

Viewing 40 - 42 of 445 Reviews

Glassdoor has 523 Calpine reviews submitted anonymously by Calpine employees. Read employee reviews and ratings on Glassdoor to decide if Calpine is right for you.