2026 Summer Marketing Intern

Marketing Summer Internship 2026

At Constellation, a freshly independent and Fortune 200 company, we're providing the energy and services to transform our future. Combining next generation technologies and product offerings with the country's lowest carbon generating fleet, our company is purpose-built to meet the challenges of the climate crisis.

Constellation has been the leader in clean energy production for more than a decade. Now we're speeding delivery of low-carbon or no-carbon power to help families, communities, governments, and businesses meet their sustainability and decarbonization goals. Constellation provides 10 percent of total clean power and 22 percent of clean baseload power in the United States and is the leading competitive retail supplier of energy products, services and clean energy solutions. The race is on to confront climate change, and no company is more ready to meet that challenge.

We are committed to advancing diversity, equity and inclusion and believe in attracting, retaining and advancing employees who will best serve and represent our customers, partners and communities. We provide a workplace that ensures mutual respect, where each individual has the opportunity to grow and contribute at their greatest potential. Constellation will provide you the tools and resources you need to design, build and power a successful career.

Join us as we accelerate the transition to a carbon-free future. Energize your career with Constellation.

We are currently seeking highly motivated Marketing students for Summer Internships for 2026 to work for our Marketing team. These paid internships will last approximately 10 weeks from June 1, 2026 August 7, 2026. As a Summer Intern within Marketing Team, you will have the chance to work independently on projects that align with your academic background and career aspirations.

Under the guidance of an assigned supervisor, you will contribute to various departments, engaging in tasks such as :

• Assist in the Marketing Teams objectives to execute B2B marketing plans and tactics in support of Constellations commercial and generation businesses.
• Help coordinate tactics and materials for B2B customers and prospects, such as sales tools & assets and project management activities.
• Contribute a wide range of materials, including case studies, brochures, sell sheets, videos, PowerPoint decks, webinars, online content, and regional tradeshow and event coordination.
• Maintain compliance with brand standards. Build and manage relationships with marketing and other cross-functional teams.
• Participating in meetings, brainstorming sessions, and knowledge-sharing opportunities to contribute insights and ideas.

Locations include : Remote enabled internship with opportunity for occasional in-person visits in Baltimore, Philadelphia, Green Bay, Chicago, Louisville areas.

As a Constellation Intern you will :

Qualifications :

Constellation will not be providing visa sponsorship for this position now or in the future. You must have the ability to lawfully work in the United States without a need for current or future visa sponsorship.