Constellation
Nation’s largest producer of clean, carbon‑free energy, supplying power and gas solutions nationwide.
14 hours ago
Entry-level
Internship
Clinton, Illinois, United States
Office Full-Time
Company Size
14,264 Employees
Service Specialisms
Sector Specialisms
Description
drone inspection
circuit design
thermal calculation
weld overlays
- Cooling Tower Drone Inspections
- Control Circuit Wiring Design for Feedwater Pump
- Thermal Overload Calculation for Motor Operated Valves
- Weld Overlays Calculations on Feedwater Heater
Requirements
bachelor's
master's
electrical
mechanical
gpa 2.8
problem solving
We are seeking highly motivated engineering students for 2026 Engineering Internships at our nuclear site in Clinton, IL. These paid internships run for approximately ten weeks from June 1 through August 7, 2026, and interns will work on specific projects under an assigned supervisor and technical mentor to gain real‑world, hands‑on experience.
Candidates must be enrolled in a Bachelor’s or Master’s engineering program for the fall of 2026, with majors such as Electrical, Mechanical, Nuclear, Civil, or Chemical engineering. Minimum GPA requirements are 2.8 cumulative and 3.0 in the major, along with a track record of strong academic performance, eagerness to contribute to team‑oriented environments, and the ability to solve problems creatively and analytically. Excellent leadership, written and verbal communication, and interpersonal skills are also required.
Constellation will not provide visa sponsorship now or in the future; applicants must be legally authorized to work in the United States without current or future sponsorship.
Benefits
We are dedicated to advancing diversity, equity, and inclusion, believing that a workforce reflecting our customers, partners, and communities drives success. Constellation offers a respectful workplace where every individual can grow and contribute at their fullest potential, providing the tools and resources needed for a successful career.
Training + Development
Interview process
Visa Sponsorship
- constellation will not provide visa sponsorship now or in the future.
- applicants must be able to work in the u.s. without current or future visa sponsorship.
Security clearance
Overview
32 GW capacity
Energy Generation Capacity
Operates across nuclear, wind, solar, gas, and hydro power sources.
$26.6B deal
Calpine Acquisition
Significant investment to expand geographic reach and energy capacity.
10% carbon-free power
Clean Energy Contribution
Supplies a substantial portion of reliable, low-carbon energy in the U.S.
450% share growth
Stock Performance
Shares have seen remarkable growth since the spin-out in 2022.
- Reclaimed independence in 2022 to focus on clean-energy goals.
- Powers over 20 million U.S. homes and businesses with diverse energy sources.
- Restarted Three Mile Island Unit 1 with Microsoft's 20-year energy agreement.
- Provides retail energy services to ~2 million customers, including Fortune 100 companies.
Culture + Values
- Safety and operational excellence are prioritized in every operation, ensuring reliable service 24/7, 365 days a year.
- Committed to continuous improvement and innovation, striving to be the best operators and deliver cutting-edge technology.
- Acting with integrity and accountability, valuing respect and trust in all interactions with colleagues, customers, and communities.
- Fostering a culture of respect, belonging, diversity, and inclusion, where all voices are heard and valued.
- Investing in education and training to drive positive change across America.
- Leading the transition to cleaner energy, championing resilient climate solutions for a sustainable future.
Environment + Sustainability
95% and 100% by 2030 and 2040
Carbon-Free electricity production
A commitment to achieving 95% carbon-free electricity generation by 2030 and fully carbon-free by 2040.
65% by 2030
Emissions reduction target
Aiming to reduce operations-driven emissions by 65% by 2030, with full elimination by 2040 through offsets.
30% by 2030
Methane emissions reduction
Targeting a 30% reduction in methane emissions by 2030, contributing to broader climate goals.
32,400 MW
Carbon-free energy capacity
A production capacity of 32,400 MW, capable of powering approximately 15 million homes annually.
- Produced 163 TWh zero-emission nuclear generation in 2021 (enough for ~14.9 million homes).
- As of end-2022, 100% of C&I customers received hourly, customer-specific GHG impact information.
- Developing roadmap with KPIs covering all Scope 1 and Scope 2 emissions.
- Commitment to engage key energy suppliers on GHG and climate adaptation strategies.
Inclusion & Diversity
>5,000 members
Employee Resource Groups
The company has over 5,000 members across nine Employee Resource Groups (ERGs) with 67 chapters globally.
71% growth
ERG Summit Attendance
Employee Resource Group Summit attendance has increased by 71% year-over-year.
$1.25M grants
Powering Change Initiative
$1.25 million in grants provided to seven nonprofits for workforce development and upskilling in energy sectors.
15 universities
PowerEd Mentorship Program
Collaboration with 15 universities to build an early-career talent pipeline through mentorship initiatives.
- DEI mission centered on: respecting one another and creating belonging; attracting, retaining and advancing employees; integrating diversity as a core business imperative.
- Supplier Development & Engagement: inclusive supply chain with equal opportunity to small and local businesses.
- Equal-opportunity employer; non-discriminatory practices in recruitment and advancement.
- DEI Center of Excellence established to strengthen DEI commitments and employee/customer support.