Model Build (AI and human)

Model Build (AI and human)

Orbis modelers have the expertise to understand how the stakeholders in your deal need to see the pieces fit together. We can start from simple inputs, or an AI prompt, but we'll always end with a funded deal.

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Our Services

We attack complexity at scale

AI Prompt <> Bankable model

Crafting a fool-proof AI prompt may help get you started. But to build a model that survives underwriting, your model will need to build trust. To do that, it must adhere to global best practice standards while communicating complex contracts using easy-to-audit calculation blocks. Orbis has decades of experience modeling complex deal structures in terms that financiers understand and fund. Our method is built around the disciplined deployment of standardized calculation blocks which engage auditors with transparency and ease of use.

Model geeks

We're Excel geeks at heart and love talking about all sorts of problems finance folks encounter. From sizing debt and balancing balance sheets, to building tax equity and HoldCo structures, Orbis modelers have seen and fixed lots of problems. Let's talk about how we can deploy our experience for your deal.

Models using actuals

Famous statistician George Box once said that, “all models are wrong; some are useful.” The places where most financial models go from wrong to useful is the conversion between projections and actuals. Orbis consultants use a flexible but fastidious method for making this conversion so your team can answer questions like: "What’s my actual DSCR?" "What’s my actual XIRR?" "When can I refinance my debt?"

LBO -> PPA -> Availability pmt model(s)

A leveraged buyout model seeks to answer the same question as a solar model or an infrastructure one: “what rate I must charge to pay off my debts and make a return for equity?” Orbis consultants have deep experience advising teams through making the best commercial decisions using the language that bankers and investors have come to understand and fund.

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Why Orbis

Why Orbis Is the Partner of Choice for Infrastructure Developers, IPPs, and Financiers

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Orbis Advantage

We help you get deals done quickly and efficiently

Expertise in project and corporate finance
Custom-tailored solutions for each client
Consistent process that gets the best results in the shortest time
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Check out our blog posts on LinkedIn

BESS development hinges on modeling dynamic, stochastic revenue streams—rather than relying on static assumptions—so developers can accurately value and optimize assets in volatile energy and ancillary markets.

BESS M&A

April 20, 2026

Successful BESS transactions hinge less on headline pricing and more on deeply understanding—and correctly modeling—the volatile, path-dependent cash flows and structural nuances that actually drive asset value in competitive markets.

WACC

January 30, 2026

Determining WACC in project finance goes beyond standard formulas—it’s about understanding real project risk. This article breaks down why corporate approaches often fall short and what truly drives the discount rate. A clear, practical guide to navigating uncertainty when key inputs like beta aren’t easily defined.