Intern- System Planning Summer 2027

Posted 9 Days Ago
Be an Early Applicant
4 Locations
In-Office
23-27 Hourly
Internship
Utilities
The Role
Supports transmission system planning by using electrical system models to evaluate grid performance, future capacity needs, renewable energy and energy storage integration, and long-term planning scenarios. Assists with data collection, technical studies, documentation, reliability initiatives, and grid modernization while collaborating with engineers.
Summary Generated by Built In

Summary of Responsibilities:

About the Role
Start your career at a Great Place to Work! We’re looking for a Transmission Planning Intern to support our Transmission System Planning team.
Key Responsibilities
As a Transmission Planning Intern, you’ll contribute to efforts that ensure the electric grid meets future energy demands reliably and efficiently. You’ll:
• Use electrical system models to evaluate system performance and future capacity needs
• Support integration of renewable energy resources, energy storage, and other emerging technologies
• Analyze grid scenarios to help shape strategic long-term planning
• Assist with data collection, technical studies, and planning documentation
• Collaborate with engineers to support regional reliability and grid modernization efforts
What You’ll Bring
• A bachelor’s degree student majoring in Electrical Engineering
• Familiar with basic electric theory and power systems concepts
• Interested in learning how long-term system planning impacts grid reliability and clean energy integration
• Curious, analytical, and collaborative

Essential Responsibilities:

Why ATC as an Intern

Purpose-Driven Work
Your work matters. As an intern at ATC, you'll contribute to meaningful projects that help power everyday life and support the future of the electric grid.

People-Centric Culture
We are difference makers. At ATC, you'll work alongside supportive teammates who value collaboration, encourage questions, and are invested in helping you succeed.

Flexibility & Balance
We understand that academics, extracurriculars, and personal commitments are important. Our internship experience is designed to provide flexibility while helping you gain valuable professional experience.

Learning & Development
Internships at ATC are built around growth. You'll gain hands-on experience, receive guidance from experienced professionals, and develop skills that prepare you for future career opportunities.

Real-World Experience
From day one, you'll work on meaningful assignments, participate in team discussions, and contribute ideas that make an impact. We believe the best learning happens through doing.

Innovation in Action
The energy industry is evolving, and ATC plays a critical role in shaping its future. As an intern, you'll gain exposure to industry challenges, emerging technologies, and innovative solutions that support a reliable electric grid.

Connections That Last
Build relationships with professionals across the organization, expand your network, and gain insights into a variety of career paths within the energy industry.

A Shared Future
We're committed to creating an environment where interns can learn, contribute, and thrive. Your ideas, perspectives, and contributions help shape our future while building the foundation for yours.

The pay range for this position is $23-27/hr.  The pay range is a general guideline. Employment offers are evaluated individually and consider qualifications, experience and academic achievements.

Number of Openings Available:

1

Posting Date:

2026-09-11

Time Type:

Full time

Equal Opportunity Employer:

Applicants have rights under employment laws.  

ATC is an equal opportunity employer that seeks to foster diverse teams of talented people working safely together.  We respect and embrace diversity of all aspects and hire, train and promote employees without regard to race, color, religion, sex, age, national origin, sexual orientation, disability, genetics, protected veteran status, or any other characteristic protected by law.  We encourage women, minorities, veterans and individuals with a disability to apply.  All qualified applicants will receive consideration for employment without regard to any characteristic protected by law. 

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Skills Required

  • Currently pursuing a bachelor's degree in Electrical Engineering
  • Basic knowledge of electrical theory and power systems concepts
  • Interest in long-term system planning, grid reliability, and clean energy integration
  • Curious, analytical, and collaborative approach
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The Company
HQ: Pewaukee, WI
716 Employees

What We Do

ATC is connecting you with a sustainable energy future. We are a transmission-only electric utility that helps keep the lights on, businesses running and communities strong in portions of Wisconsin, Michigan, Minnesota and Illinois. As an owner and operator of almost 10,000 miles of transmission lines and more than 560 substations, we help meet the power needs of more than 5 million customers in Midwestern communities. Our mission is to perfect our business and lead the transition to a sustainable energy future. We live a culture of one team – connected by purpose, curiosity and positive energy. We are guided by our values: We Care, We Challenge, We Commit, We Communicate, We Compete and We Celebrate

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