Every energy technology that eventually becomes “bankable” has to survive an awkward middle stage first, the point where the tech has been proven in a lab or pilot but hasn’t yet run at commercial scale long enough for lenders to trust it. These first-of-a-kind (“FOAK”) projects are demonstration- and deployment-stage projects being brought to final investment decision for the first time, without the operating history conventional lenders rely on. These projects can’t be financed like conventional infrastructure. There’s no historical performance data, technology risk is higher and it’s harder for lenders to feel comfortable. The fix isn’t a single loan or investor, but a layered capital stack, with each layer priced for a different piece of the risk.
Helping sponsors assemble and negotiate that stack is where firms such as Market Street Capital come in, working across debt, equity and structuring as sponsors pursue a financing that lenders will support. Conventional project finance works because lenders can underwrite predictable cash flows against proven technology backed by strong offtake. However, attracting early-stage private financing can be difficult for FOAK technologies because they require large infrastructure investments without a track record, creating a “bankability gap.” Performance guarantees are thin, construction delays are common, and technology risk is a major hurdle.
The implications of this financing gap are significant. Without access to capital, promising energy innovations may never scale, delaying the transition to a more sustainable energy system. The ability to structure deals that attract private investment despite the risks is therefore critical. Market Street Capital’s approach is not to act as an energy-specific lender but as an independent advisor and structurer, navigating the multilayer structuring problem that often separates FOAK deals that get financed from ones that stall. By layering different types of capital—each with its own risk-return profile—sponsors can bridge the bankability gap and move projects forward.
This expertise is especially timely as the energy sector faces increasing pressure to decarbonize, and many emerging technologies—such as advanced nuclear, long-duration storage, and green hydrogen—are at the FOAK stage. These technologies require vast upfront investment, yet lack the operational track record that traditional lenders require. Without innovative financial structuring, these projects may languish, slowing the adoption of crucial clean energy solutions.
Market Street Capital’s role highlights a growing niche in the financial industry: specialized advisors who can bridge the gap between early-stage innovation and mainstream financing. Their work enables sponsors to present a credible financing plan to lenders, even when the technology is unproven at scale. The layered capital stack approach allows for different risk appetites to be accommodated, with some investors taking on higher risk for potentially higher returns, while others provide more conservative, lower-cost capital.
Ultimately, the success of FOAK energy projects depends on the ability to structure deals that satisfy both sponsors and financiers. Market Street Capital’s expertise in this area is not just about closing individual deals; it’s about creating a template for financing the next generation of energy infrastructure. As more projects reach the FOAK stage, the demand for such advisory services is likely to grow, making this a pivotal moment for the energy transition.


