How many employees work at Calpine?
Calpine LLC has 3,831 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 1.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Calpine
Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. Our fleet of 76 power plants in operation or under construction represents more than 26,000 megawatts of generation capacity -- enough to power approximately 20 million homes. Through wholesale power operations and our retail businesses Calpine Energy Solutions and Champion Energy, we serve customers in 22 states, Canada and Mexico. Our clean, efficient, modern and flexible fleet uses advanced technologies to generate power in a low-carbon and environmentally responsible manner. We are uniquely positioned to benefit from the secular trends affecting our industry, including the abundant and affordable supply of clean natural gas, environmental regulation, aging power generation infrastructure and the increasing need for dispatchable power plants to successfully integrate intermittent renewables into the grid. Please visit www.calpine.com to learn more about how Calpine is creating power for a sustainable future.
As of September 2025
Calpine
workforce metrics
Headcount
3.8k
Avg. Salary
$120.5k
Tenure
6.6yr
Growth Rate
1.3%
Hiring Rate
Attrition Rate
For even more metrics data,
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Employee Headcount
Interactive chart of Calpine annual worldwide employee count from 2023 to 2025.
- Calpine total number of employees in 2025 was 3,824.079, a 1.3% increase from 2024.
- Calpine total number of employees in 2024 was 3,758.573, a 2.6% increase from 2023.
- Calpine total number of employees in 2023 was 3,659.92, a 1.9% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Calpine annual active job postings from 2023 to 2025.
- Calpine active job postings in 2025 was 383, a 40.7% decline from 2024.
- Calpine active job postings in 2024 was 788, a 23.4% increase from 2023.
- Calpine active job postings in 2023 was 623, a 51.1% decline from 2022.
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Employee Sentiment
Sentiment Topics
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