About Us

Core Development Group is a trusted and agile, independent U.S. company that designs, develops, and constructs renewable clean energy projects and offers related consulting services to companies in the U.S. and abroad. We partner with commercial energy consumers of all sizes to drive their businesses towards a flawless transition to clean and renewable energy – with solar energy systems, battery energy storage systems (BESS), and electric vehicle (EV) infrastructure projects. We also collaborate with industry partners, including solar developers, energy consultants, and EV infrastructure service companies to ensure their clean energy projects are completed successfully and on time – with industry-leading engineering design, procurement, construction, and consulting services. Our commitment to building a new renewable energy era with our partners and customers is fueled by the vision and energy of our team. Our projects deliver value that can be measured financially, inspirationally, and environmentally.

Clean & Renewable Energy Offerings

Industry-leading experience, expertise, and knowledge.

Renewable technologies and sustainability strategies that reduce energy costs and carbon footprint.


Zero Net Enegry

Energy Efficiency

Electric Vehicle Fleet Chargers


Community Solar

Solar Energy and Storage

Trusted Capabilities Across the U.S. & Beyond

Us map

Environmental Excellence


Renewable Energy Core Development Group has converted according to the EPA Greenhouse Gas Equivalences Calculator.

Series of nature images

This figure is equivalent to preventing:

CO-2 Emissions From

Pounds of coal

CO-2 Emissions From

Barrels of oil

Greenhouse gas emissions from

Passenger vehicles driven for a year

Together, we can achieve more.

The Core Development Group experts are here to guide you with decision-making and serve as stewards of sustainability for your entire project life cycle.


Core Development Group is regularly recognized for its national renewable energy development and innovative solar projects throughout the industry. See some highlights from the 2021 Solar Power World’s Rankings below.

  • One of the Top 25 Solar Developers in the U.S.
  • Top 25% of Solar Contractors in the U.S.
  • Top 54 Commercial Contractors in the U.S.
  • Ranked as the 68th Leading California Solar Contractor
  • Ranked as the 38th Leading New York Solar Contractor
Top solar contractor

Affiliations & Accreditations

We are proud to be recognized as an advocate and a business that works for the greater good of our members.