Have a promising technology and want to build a first-of-its-kind commercial demonstration? Need to develop structured offtake and supply contracts? Running into roadblocks trying to raise debt and equity? Mainstay has deep experience in the discipline of project finance, implementing strategies for nonrecourse financing. Mainstay can be engaged at any stage of the project, to take it through financial close and into construction.

Project Finance ›

Do you have true energy project development and technical assessment expertise in your due diligence team?  Let Mainstay help you evaluate a project or technology for investment potential. As a partner or outside consultant for investment firms, private equity, or venture capital, let Mainstay kick the tires on a deal you find intriguing and provide you with critical analysis.

Due Diligence ›

Understanding and managing risks are at the heart of go/no-go decisions for projects. Can the project be completed on time and on budget? What is my exposure to commodities? What range of returns can I expect? How do I think about future environmental regulation?

Don't just make guesses—let Mainstay help you fully assess and quantify, these risks and inform your decision making process.

Risk Analysis › 


A broad consensus is emerging that carbon capture technology is a vital part of the worldwide solution to managing greenhouse gas emissions. Mainstay has been working on carbon capture projects from the beginning, and knows the space inside out.

Carbon Capture >

Want to access governments grants and benefits, but aren’t sure how? Mainstay has over a decade of expertise in helping projects to realize benefits from the vast array of federal, state, and local programs available in the energy space.

Government Incentives >

Take a look at a sampling of projects that Mainstay has worked on. We have expertise across a broad range of technologies and structures. The guiding principle is completion of the project and satisfaction for the project participants.

Portfolio >