Intern- System Planning Summer 2027

Location: Pewaukee, WI

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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