Transmission Planning Engineer - Intern (Summer 2027)

About the role

Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries. AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide. We are proud to foster a strong workplace culture, earning prominent positions in Great Place to Work™ rankings across the markets where we operate. AES was also named one of the World’s Most Ethical Companies for the 13th consecutive year in 2026, highlighting our dedication to integrity, transparency, and responsible business practices. Our spirit of innovation continues to earn industry recognition. AES is the only seven-time winner of the Edison Electric Institute’s Edison Awards in the twenty-first century, a distinction honoring global leadership in advancing the electric power industry. If you're ready to be part of a company that's not just adapting to change, but driving it, AES is the place for you. We're not just building a more sustainable future, we're powering it. As a Transmission Planning Engineer Intern you will be working in the Transmission Planning group to develop and test solutions that improve future transmission system reliability and capacity. You will gain exposure to analysis, modeling and operations and see how planning studies, system models, and operations coordination work together within the MISO and PJM markets.

Responsibilities

• Support steady-state power-flow and short-circuit studies using industry tools such as PSS®E, TARA, and DSA Tools
• Assist with transmission interconnection and reactive-compensation studies for new large load and generation
• Help build and maintain the steady-state, dynamics, and short-circuit representations of the AES transmission system, keeping base cases current with topology, equipment, and rating changes
• Support NERC modeling data processes — MOD-032 data collection, FAC-008 facility ratings — and model validation against actual system performance
• Gain exposure to transmission operations planning, outage coordination, and RTO submission systems (MISO CROW, PJM eDART)
• Learn how AES works within the MISO and PJM markets and the NERC/FERC regulatory framework
• Attend site visits to substations and other facilities to see transmission infrastructure firsthand and learn how complex systems are built and operated
• Work in an agile, collaborative environment, partnering with engineers, technicians, and regulatory experts to solve complex problems
• Participate in formalized AES-specific learning opportunities to further your knowledge toward accelerating the responsible energy transition
• Network with peers, AES leaders, and like-minded employees through dedicated events, lunch-and-learns, and speaker series
• Actively engage in open discussions to help identify ways AES can better prepare for the future of energy

Requirements

• Currently pursuing a Bachelor's or Master's degree in Electrical Engineering, Power Systems, or a related field
• Coursework in power systems, circuits, or electric machines
• Problem-solving mindset and willingness to learn
• Ability to communicate clearly, verbally and in writing

Qualifications

• Exposure to power-flow or short-circuit software (PSS®E, TARA, ASPEN, CAPE, DSA Tools, or similar)
• Familiarity with the NERC/FERC/PJM/MISO regulatory landscape
• Coursework or project experience in power system analysis