Rohit Marwaha & Andrew Williams

WASHINGTON, D.C. — Sol Systems today announced the addition of two industry veterans to its leadership team, Rohit Marwaha and Andrew Williams. Rohit Marwaha joins as Vice President of Risk & Trading Operations, and Andrew Williams as Senior Director of Regulatory Affairs Energy Infrastructure and Markets.

Rohit and Andrew will join the Sol Executive Team as part of the company’s recent investment in expansion. Rohit will manage Sol’s growing Risk and Operations Team to support Sol’s recent move into managing electricity and environmental commodity risk. Andrew will lead Sol’s growing policy team as it creates and shapes renewable energy markets throughout the United States.

“Rohit and Andrew are experienced professionals that will help drive Sol’s decade-long journey to lead the energy infrastructure revolution,” said Yuri Horwitz, CEO of Sol Systems. “Both will help expand Sol’s investment in creating, shaping and participating in environmental commodity and energy markets to drive a more resilient and sustainable energy future for America.”

Prior to Sol Systems, Rohit Marwaha was Managing Director at Constellation, overseeing various business units including wholesale utility load auctions, retail pricing, and the West trading desk. During his time there he built and managed one of the largest wholesale load auction platforms in the country. Rohit also originated, analyzed, negotiated, and executed structured energy transactions at Constellation.

Andrew Williams joins Sol Systems from the Environmental Defense Fund (EDF), and has extensive experience ranging from management consulting and sustainability policy to government, regulatory and legislative affairs. Andrew most recently represented EDF as Director of Regulatory and Legislative Affairs, U.S. climate and energy, where he helped shape EDF’s state-level domestic advocacy strategy. Prior to EDF, Andrew served as Vice President and General Counsel for Hickory Creek Ventures. Andrew built his early career in the oil and gas industry, where he last served as an Operational Officer for Atlas Pipeline Mid-Continent in Tulsa, Oklahoma.





Sol Systems is a leading national solar energy firm with an established reputation for integrity and reliability across its development, infrastructure and environmental commodity businesses. To date, Sol has developed and/or financed over 850 MW of solar projects valued at more than $1 billion for Fortune 100 companies, municipalities, counties, utilities, universities and schools. The company also actively shapes and trades in environmental commodity and electricity markets throughout the United States. The company was founded in 2008, is based in Washington D.C., and is led by its founder. Sol Systems works with its team, partners, and clients to create a more sustainable future we can all believe in. For more information: