Calpine: Detailed Company Information & Corporate Profile
Summary
Calpine, founded in 1984, is headquartered in Houston, Texas, United States. The company operates within the utility supply sector.
Its core expertise lies in owning, leasing, and operating low‑carbon natural gas–fired and renewable geothermal power plants.
Calpine employs between 1,000 and 5,000 staff and generates annual revenues ranging from $1 billion to $5 billion.
The firm functions as a subsidiary and is categorized under the SIC codes 1382, 4900, and 1623 within the Greater Houston DMA.
Leadership includes Vice President Controller Anna Washington, Manager Information Services Aditi Srivastav, and Director Network Infrastructure Saqar Al Hashimi.
| Calpine Website | calpine.com |
| Social Links |    |
| Phone Number | 1-713-830-2000 |
| Industries | |
| Calpine Headquarters Address | 717 Texas Street, Suite 1000, Houston, TX, 77002 US |
| Company Size | 1000-5000 employees |
| Specialities & Services | The company owns, leases and operates low-carbon, natural gas-fired and renewable geothermal power plants |
| SIC Code | 1382, 4900, 1623 |
| NAICS Code | 213112 Support Activities for Oil and Gas Operations, 541360 Geophysical Surveying and Mapping Services, 237110 Water and Sewer Line and Related Structures Construction, 237120 Oil and Gas Pipeline and Related Structures Construction, 237130 Power and Communication Line and Related Structures Construction |
| DMA Code | Greater Houston |
| Founded | 1984 |
| Estimated Annual Revenue | $1B - 5B |
| Operating Status | Subsidiary |
| Updated: | 2026-09-11 |
Calpine Org Chart
Chief Executive Officer
C-Level
Chief Risk Officer
Chief Operating Officer
Chief Operating Officer
General Manager
Director
Director
Executive Assistant
Director
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 2011 | Privately Held | 25 - 100 | |
| 1981 | Public Company | 5.0K - 10K | |
| 2011 | Public Company | 1.0K - 5.0K | |
| 1984 | Public Company | 1.0K - 5.0K |
Subsidiaries and Affiliated Companies
Estimated Website Traffic
The chart shows a decline in traffic to the calpine.com website. In August, traffic decreased to 31972, compared to 45159 in the previous month. The highest traffic in 2026 was recorded in February, reaching 85944 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Calpine's workforce includes employees across a wide range of tenure levels.
1% have been with the company for less than 1 year6% have been with the company for 1 to 2 years7% have been with the company for 3 to 4 years8% have been with the company for 5 to 7 years11% have been with the company for 8 to 10 years67% have been with the company for more than 11 years
Companies Similar to Calpine
Calpine Corporate Information: FAQ
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