📊 Company Overview
Sector
Energy & Industrials
Country
United States
Employees
1001-5000
Public · CPN
Listed
Founded
1984
Cloud
Azure
CDN
Fastly
Email
Microsoft 365
☁️ Cloud Infrastructure
Azure
Detected Cloud Provider
Detected via HTTP headers
| Workspace | Microsoft 365 |
|---|---|
| CDN | Fastly |
Detected via DNS records and HTTP response headers as of 2026-06-13.
💰 Estimated Cloud Spend
$7M
–
$18M
/ year on Azure
🛠 Tech Stack & Marketing
| Ad Platforms | 🔒 Subscribers only |
|---|---|
| Analytics & CRM | 🔒 Subscribers only |
| CMS / Platform | WordPress |
| Frontend Stack | 🔒 Subscribers only |
Detected from Calpine's public homepage as of 2026-06-13.
🔍 Compare with Similar Companies
Same sector (Energy & Industrials), similar size
Data detected 2026-06-13 · Methodology · Suggest a correction