₹613.3 Crore Wind-Solar Hybrid Project: How a Steel CFO Defended a ₹47.8 Crore Equity Ask to Lock in a 97% IRR

Executive Summary

Committing to aggressive Renewable Energy targets is one thing; getting the Board to approve the massive capital expenditure (CAPEX) required to achieve them is another.

The CFO of a Gujarat-based Steel company faced this exact challenge. Driven by strict ESG standards and tier-one customer commitments, the company set a definitive goal: achieve 75% Renewable Energy by 2027. After evaluating multiple procurement routes, the CFO locked in a 50 MW Wind-Solar Hybrid Solution as the most mathematically sound pathway, projecting a massive 97% Internal Rate of Return (IRR) and a rapid 8-month delivery timeline.

However, executing this under a Group Captive structure required the Board to approve a ₹47.8 Crore direct equity investment (the mandatory 26% share). While the Board appreciated the 97% IRR, they immediately subjected the underlying ₹613.3 Crore Total Project Cost to intense financial scrutiny. By forensically validating the exact cost anatomy before the meeting, the CFO survived the scrutiny and secured instant approval. Here is how he justified the CAPEX.

The CAPEX Scrutiny: When Projected Returns Aren’t Enough

A 97% IRR is an exceptional metric, but experienced Boards know that returns are purely theoretical until the underlying project costs are validated. If the CAPEX is artificially inflated, the equity requirement goes up, the payback period extends, and the promised IRR collapses.

When the CFO presented the ₹613.3 Crore Total Project Cost for the 50 MW hybrid project, the Board did not just greenlight the equity ask. They fired off a series of sharp, highly technical questions to stress-test the developer’s pricing:

  1. The Valuation Base: “How exactly was this ₹613.3 Crore cost calculated?”
  2. The Technology Split: “What is the precise cost breakup between the Solar modules and the Wind turbines?”
  3. The Shared Infrastructure: “What are the exact Balance of System (BOS) and common infrastructure costs?”
  4. The Tax Implications: “How does GST impact the bottom line across different components?”
  5. The Safety Nets: “Are contingencies, land costs, and EPC margins safely baked into this model, or will we face cost overruns?”

If a CFO answers these questions with rough estimates or developer-provided summaries, the proposal is usually sent back for revision, delaying the RE timeline and exposing the company to shifting grid tariffs.

The Solution: Forensic Cost Validation

The CFO did not guess, and he did not rely blindly on the developer’s Term Sheet. Before walking into the Boardroom, he reached out to us to forensically validate the financial model and build a transparent cost breakdown.

As buy-side advisors, we mapped the exact project cost anatomy of the 50 MW hybrid project. This provided the CFO with a boardroom-ready reckoner that stripped away the ambiguity.

Instead of presenting a lump-sum CAPEX, the CFO was able to show the Board exactly where every single rupee of the ₹613.3 Crore was going—down to the specific EPC margins, shared evacuation infrastructure, and tax structures.

The Verdict: Instant Board Approval

Because the CFO anticipated the Board’s scrutiny and brought a mathematically unassailable cost breakdown to the table, the risk was mitigated.

The Board could clearly see that the ₹47.8 Crore equity ask was priced accurately. They approved the investment instantly, locking in the 97% IRR and keeping the company perfectly on track to hit its 75% RE goal by 2027.

Next Steps for the Boardroom

When you are evaluating your next Open Access solution, you cannot take the developer’s Total Project Cost at face value. You need an independent, boardroom-ready reckoner to justify your project costs.

If your company is evaluating a massive Renewable Energy CAPEX and you want us to run a Techno-Commercial Wealth Audit to forensically validate your financial model before you request equity approval:

In this session, we will audit your exact project cost breakdown so you can walk into your next Board meeting with a transparent and mathematically secure energy strategy.

About Infinia Solar

Infinia Solar is India’s leading renewable energy consultant.
We help Commercial and Industrial consumers procure the right renewable energy solutions, from the right developers, and on the right PPA terms.

We’ve served 60+ customers across 18 states, enabling 1.4 GW of open access and rooftop solar capacity, and have facilitated 150+ PPAs so far.

This has helped our customers reduce up to 50% of their electricity costs and replace up to 100% of their power with renewable energy.

We have also collaborated with 50+ developers, and our customers fondly refer to us as the ‘Amazon of the renewable energy industry.

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