Driven by the need to reduce carbon emissions and transition to cleaner power sources, the demand for sustainable energy continues to grow. Mainstay Engineering supports this shift with civil and structural engineering expertise across a range of clean energy sectors – including landfill gas-to-RNG (renewable natural gas) systems, solar installations, EV infrastructure, and battery energy storage. We help you overcome the challenges related to permitting, site constraints, and utility coordination to deliver solutions that support long-term environmental and operational goals.