Calpine employees working as Plant Engineer in US have attributed a compensation and benefits rating of 5 out of 5 stars, based on 3 ratings. This is 9% higher than the average of Plant Engineer professionals at Calpine worldwide.
The salary trajectory of a Plant Engineer ranges between locations and employers. The salary starts at $0 per year (estimate) and goes up to $0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Plant Engineer at Calpine is $147,403 per year or $71 per hour, but some professionals have reported earning up to roughly $231,220 per year (90th percentile). The typical pay range is between $117,390 (25th percentile) and $187,497 (75th percentile) annually. This is based on 7 salaries submitted by Calpine Plant Engineer professionals on Glassdoor, as of Jul 2026.
Plant Engineer professionals typically earn between $56 and $90 per hour.
Plant Engineer professionals typically earn between $9,783 and $15,625 monthly.
Plant Engineer with an estimated total pay of $146K - $200K/yr