

Calpine Information
Summary
Calpine is a private company that has been in the industry for 42 years. The company currently specializes in the Utilities, Electric, Water & Gas Utilities areas. The position of the President & CEO is occupied by Thad Hill. Its headquarters is located at Houston, Texas, USA. The number of employees ranges from 1.0K to 5.0K. The annual revenue of Calpine varies between 10B and 50B. Total funding of the company - $3.6B. To connect with Calpine employee register on SignalHire.
Organization Website | calpine.com |
Social Links | |
Phone Number | 1-713-830-2000 |
Industries | |
Headquarters Location | 717 Texas Street, Suite 1000, Houston, TX, 77002 US |
Employees Size | 1000-5000 employees |
Specialties | The company owns, leases and operates low-carbon, natural gas-fired and renewable geothermal power plants |
SIC Code | 1382, 4900, 1623 |
DMA Code | Greater Houston |
Founded | 1984 |
Estimated Annual Revenue | $10B - 50B |
Operating Status | Subsidiary |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 2011 | Privately Held | 25 - 100 | 4M | $41.1M | |
| 1981 | Public Company | 5.0K - 10K | 13.1B | $1.6B | |
| 2011 | Public Company | 1.0K - 5.0K | 18.2B | $1.5B | |
| 1984 | Public Company | 1.0K - 5.0K | 3.9B | $750M |
Estimated Website Traffic
The chart shows a decline in traffic to the calpine.com website. In December, traffic decreased to 83639, compared to 85002 in the previous month. The highest traffic in 2025 was recorded in November, reaching 85002 visits.
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Length of Employment
Employee tenure at Calpine shows a diverse range of experience levels:
9% for 1–2 years9% for 3–4 years9% for 5–7 years8% for 8–10 years64% have over 11 years of service at CalpineEx-employees positions
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