Vistra Corp. · 3 days ago
Summer 2026 Internship – Thermodynamics & Power Plant Performance (Vistra Corporation)
Irving, TX
Internship
Onsite
Intern
Start in 2026 SummerVistra Corp. is a Fortune 500 integrated retail electricity and power generation company. They are seeking a Summer 2026 Intern to join their Power Optimization Center team, focusing on thermodynamics and performance analysis of power plants. This internship offers hands-on experience in performance monitoring and optimization, along with mentorship from experienced engineers.
EnergyRenewable EnergySustainability
No H1B
U.S. Citizen Only
Responsibilities
Analyze thermodynamic cycles and performance data from Vistra’s fleet of power plants
Support the development of models and tools to evaluate plant efficiency, heat rate, and output
Collaborate with engineers to identify performance bottlenecks and optimization opportunities
Assist in creating dashboards and reports that track key performance indicators (KPIs)
Document findings and present project outcomes to the POC team and leadership
Will be assigned various engineering projects
Comply with safety policy and procedures to ensure a safe working environment
Possess the ability to work independently and in a fast paced environment
All other duties as assigned
Qualification
Required
Pursuing a Bachelor's or Master's degree in Mechanical Engineering, Energy Systems, Nuclear Engineering, or related field
Strong foundation in thermodynamics, heat transfer, and fluid mechanics
Proficiency in at least one programming or modeling tool (Python, MATLAB, Aspen Plus, or similar)
Strong analytical and problem-solving skills
Excellent communication skills for presenting technical concepts clearly
Must be a U.S. Citizen or Permanent Resident. Students sponsored through Optical Practical Training (OPT) or Curricular Practical Training (CPT) are NOT eligible for this internship
Official transcripts must be received from your school prior to start date
Must be in good academic standing with your school
Preferred
Familiarity with power plant operations and energy conversion systems
Benefits
Hands-on experience with power plant performance monitoring and optimization.
Exposure to enterprise-scale diagnostic systems within Vistra’s POC.
Mentorship from experienced engineers specializing in thermodynamics and plant operations.
Opportunity to present your work to senior leadership and contribute to operational innovation.
Company
Vistra Corp.
Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company, based in Irving, Texas, that provides essential resources to customers, businesses, and communities from California to Maine.
Founded in 2016
5001-10000 employees
Funding
Current Stage
Public CompanyTotal Funding
$9.5B2026-01-12Post Ipo Debt· $2.25B
2025-10-01Post Ipo Debt· $2B
2024-11-19Post Ipo Debt· $1.25B
Leadership Team
Stacey Dore
Chief Strategy and Sustainability Officer
Recent News
2026-01-24
Company data provided by crunchbase