Does Calpine sponsor visas?

New H-1Bs are first-time petitions with this employer, often after the lottery. Transfers are people already on an H-1B who joined from another employer. Counts are workers USCIS approved on its first decision, and the approval rate compares them with workers it denied that year. Later appeals aren't counted.

Filed as Calpine Corporation, Calpine LLC

PERM is the Labor Department step most employment green cards start with. A certification means the company sponsored someone for a green card that year. The certified rate leaves out applications the company withdrew. Later green card steps aren't published by employer.

Sources: USCIS H-1B Employer Data Hub and DOL PERM disclosure data

Quick answers

Does Calpine sponsor H-1B visas?

Calpine has sponsored H-1B visas recently. USCIS approved 11 of its petitions in FY2025, including 0 for new H-1B workers and 0 transfers from other employers. From Oct 2025 to Jun 2026, it had 9 more approved.

Does Calpine sponsor green cards?

Calpine has sponsored green cards recently. The Labor Department certified 4 of its PERM applications, the first step of most employment green cards, in FY2025. From Oct 2025 to Jun 2026, it had 6 more certified.

Where do these numbers come from?

H-1B counts come from the USCIS H-1B Employer Data Hub and green card counts from Labor Department PERM disclosure data, matched to Calpine through filing names like Calpine Corporation. Fiscal years run from October to September. Statuses are our reading of the filings, news reports and what employees share, not statements from Calpine.

• CConexus Medstaff39 H-1Bs438 green cards
• DDallas Independent School District230 H-1Bs104 green cards
• HHarmony Public Schools124 H-1Bs50 green cards
• PPhoton Infotech147 H-1Bs27 green cards
• TTexas Tech University142 H-1Bs31 green cards
• BBaylor College of Medicine148 H-1Bs0 green cards