ESG Logo

Energy Systems Group (ESG), a wholly owned subsidiary of Vectren Corporation (NYSE: VVC), is a leading energy services provider that specializes in energy efficiency, sustainability, and infrastructure modernization solutions in the government, education, healthcare, commercial, and industrial sectors.

National Association of Energy Service Companies (NAESCO) Logo

Accredited by the National Association of Energy Service Companies (NAESCO) as an energy services provider, ESG's comprehensive solutions include facility-wide audits, engineering and design services, construction and project management, operations and maintenance, and measurement and verification of savings.

U.S. Green Building Council, AASHE, and Energy STAR Logos

Our projects and customers have earned several awards and certifications. From Leadership in Energy and Environmental Design (LEED) certifications to being recognized by the U.S. Department of Environmental Protection as Energy STAR Leaders, our innovation, performance and expertise is award-winning. 

Executive Officers

Energy Systems Group’s executive team is comprised of passionate and dedicated leaders who bring numerous years of combined experience in energy services, performance contracting, engineering, financing, accounting, sales and marketing, human resources, government relations, information technology, contract development, and project management. 

Gregory F. Collins


Steve Pride

Senior Vice President,
Public Sector

Lawrence Roth

Senior Vice President,
Sustainable Infrastructure

Steven W. Spanbauer

Senior Vice President,
Federal Business Unit

Meram El Ramahi

Vice President, Marketing
and Communications

Drew Bailey

Vice President, Finance and Accounting

Kelly Foreman

Vice President,
Human Resources

Jonathan Daniel Shell

Vice President and
General Counsel

Sean Smith

Vice President,
Business Operations


We create value through sustainable energy infrastructure solutions. 

Frederick Winchester Service Authority - Anaerobic Digester


To be the energy services provider that customers trust and leading industry professionals aspire to join. We are driven by an unparalleled commitment to innovation, environmental responsibility, and maximizing stakeholder value through sustained growth.


Integrity: We are honest. We keep our commitments. We do the right thing. Always.
Quality: We strive for excellence in all that we do. If we make a mistake, we fix it.
Responsibility: We conduct our business safely and responsibly.
Diversity: We promote inclusion.
Collaboration: Our collective talent and expertise broadens possibilities.
Innovation: If there is a better way, we’ll find it.
Passion: We genuinely believe in the value of what we do.  


Think Customer: Understand customers’ needs. Provide solutions. Exceed expectations.
Build Talent: Attract, retain, develop, and engage talented employees.
Innovate and Improve: Identify, develop, and deliver solutions that make things better.
Drive Results: Maximize company potential and profitable growth.
Be a Leader in Corporate Citizenship and Sustainability: Leave things better than we find them. Give back to the communities in which we live, work, and serve.  

Our Commitment

ESG is committed to conducting business safely and ethically, growing the communities where we operate, and promoting sustainability and environmental stewardship. This instills trust and confidence in our business and community relationships. To protect the integrity of our relationships, we expect our customers, subcontractors, suppliers and vendors to share our commitment to safe and ethical conduct.

Our safety standards ensure that our customers and communities can trust the safety and reliability of the products we install and the services we provide. We address unsafe situations we find, and we take the necessary steps to prevent unsafe situations from occurring.

Every day we strive for an environment that reflects our values, as well as ethical and legal requirements. Every interaction that we have, every decision that we make and every goal that we pursue is approached with a dedication to ethical business conduct. As a customer-focused company, the development of long-lasting and trusting relationships is the foundation of our business.

Our business model upholds our commitment to giving back to our customers' communities and progressively partnering to promote local economic growth, job creation, education, and environmental stewardship.

ESG employees share in the commitment to community by volunteering their time, talents and treasure. Whether it is by serving on a nonprofit board, choosing to contribute personal funding to a local charity or spending a day volunteering; ESG employees are community-minded and highly engaged.

The combined efforts of ESG and employees continue to make significant positive impacts throughout the communities we serve.

ESG Gives Back
ESG STEM - Robotics Competition