ONGC and NTPC's ₹ 19,500 crore Ayana deal: why most of it is debt

ONGC and NTPC paid ₹ 6,249 crore of equity for Ayana Renewable Power, a 4.1 GW renewables platform, in a deal headlined at ₹ 19,500 crore. The other ~₹ 13,252 crore is project debt they took on. India's biggest oil explorer and its biggest power generator formed a joint venture and, in its very first deal, bought a platform built by a UK development fund.

• The setup. The share purchase agreement was signed on February 12, 2025 at India Energy Week, at a ₹ 19,500 crore (~$2.3B) enterprise value. The equity was ₹ 6,248.50 crore, at ₹ 23.22 a share for 100%, with NTPC Green and ONGC Green each funding half, ₹ 3,124.25 crore. The ~₹ 13,252 crore gap between the two numbers is the project debt that came with the assets.
  • In plain terms, enterprise value versus equity: the enterprise value is the price of the whole business including its debt, while the equity is what the buyer actually pays the sellers. When a company carries heavy borrowing, as infrastructure does, the equity cheque can be a fraction of the headline value.
• The move. The CCI cleared the deal in March 2025 and it closed on March 27, six weeks after signing and only four months after the buying JV was incorporated. Ayana became a wholly owned subsidiary, and NTPC Green's operating capacity reached 5.9 GW. Unusually for an acquirer, NTPC Green's own stock fell about 5% around the announcement.
• The point. Two lessons in one deal. For strategy: buying a ready-made platform is how a latecomer leapfrogs, and two oil-and-power giants with almost no renewables reached the top tier in one purchase rather than a decade of building. For deal-making: in infrastructure the headline value is mostly debt, so the real question is not the price but whether the acquired assets throw off enough contracted cash to service what you took on.

The deal at a glance

• ₹ 19,500 Cr: enterprise value, ~$2.3B
• ₹ 6,249 Cr: of it is equity
• 4.1 GW: renewables capacity bought
• ~5%: buyer's stock fell on the deal

The shape of the price: a third is the equity cheque, two-thirds is project debt the buyers assumed. Sources: NGEL filing, joint releases.

Deal Radar: the numbers

Four months from forming the joint venture to owning a 4.1 GW platform, the fastest route into the top tier. Sources: joint releases, JSA deal note.

What actually happened. Bengaluru, Delhi and London, 2018 to 2025

• A development fund built a platform, then handed it to the state. BII founded Ayana in 2018 to catalyse Indian renewables, and with NIIF and Eversource it mobilised over $1 billion to build 4.1 GW. That is a development finance institution doing its job: seed a sector, prove it works, then exit to a long-term owner. Selling to two Indian PSUs gives the cleanest institutional exit and keeps the assets in developmentally aligned hands.
  • Why that matters: this is the intended lifecycle of development capital. A DFI takes early risk to get a sector going, then recycles its money once the platform is proven, and the exit to a state buyer is the textbook ending, not a distress sale.
• Two fossil-fuel giants bought their way into renewables in one move. ONGC explores for oil and NTPC burns coal, and both have committed to net zero. Rather than build wind and solar farm by farm over a decade, they formed ONGPL and bought a ready-made 4.1 GW platform, 2,123 MW already generating and 1,989 MW under construction. For an incumbent late to a transition, acquisition is how you catch up fast.
• Most of what they bought was debt, and the market noticed. The ₹ 19,500 crore headline was only ₹ 6,249 crore of equity; the rest was project borrowing the JV assumed. That is normal for infrastructure, financed heavily against contracted cash flows. But NTPC Green's shares fell about 5% around the deal, a rare negative reaction signalling investor doubts about the price and the capital committed.
  • In plain terms, project debt: borrowing raised against a specific asset and repaid from that asset's own cash flow, here the money Ayana earns selling power under long contracts. The buyer inherits it, and the deal only works if those contracted sales comfortably cover it.

Featured Deal: Why the ₹ 19,500 crore headline is mostly debt

Real deal, signed February 12, 2025; completed March 27, 2025. Figures from NTPC, NGEL, NIIF and BII releases, exchange filings and verified media. Not investment advice.

First, the two numbers

• The deal was announced at a ₹ 19,500 crore enterprise value, the number that ran in every headline and made it India's second-largest renewables acquisition.
• But the equity consideration, what the buyers actually paid the sellers, was ₹ 6,248.50 crore, about a third of that. The two PSUs split it evenly, ₹ 3,124 crore each.
• The ₹ 13,252 crore difference is debt already sitting on Ayana's projects. The buyers did not pay it; they took responsibility for it.

The three-part answer

• Infrastructure is financed against its own cash flows, so it carries a lot of debt. A solar or wind project has a predictable, contracted revenue stream for decades, which lenders finance heavily. So a renewables platform is mostly debt by design, and its equity is a thin slice on top. The ₹ 19,500 crore is what the whole business is worth; the ₹ 6,249 crore is what is left for the owners after the lenders' claim.
• The equity buyer inherits the debt, which is the real risk of the deal. ONGPL did not clear Ayana's borrowings; it stepped into them. That debt is serviced by the money Ayana earns selling power to SECI, NTPC and the rest, so the deal works as long as those contracted sales cover the repayments comfortably. The quality of the off-take contracts, not the purchase price, makes the assumed debt safe or dangerous.
• The gap explains why the market flinched. A casual reading says the PSUs paid ₹ 6,249 crore for 4.1 GW, which looks cheap. The fuller reading is that they committed to a ₹ 19,500 crore asset-and-debt package whose returns depend on building a 1,989 MW pipeline and on tariffs holding. NTPC Green's ~5% drop suggests the market read the second version, weighing the debt and the build risk against the headline scale.

The rare negative reaction: NTPC Green, the only listed party, fell about 5% as the deal completed. Sources: IPO Central, Business Standard.

Sector Signal: Three things this deal confirms about Indian renewables and who is buying them

The handoff in full: the development-finance and sovereign builders exit, and two state giants take ownership through a JV. Sources: BII, NIIF releases.

• The state has entered renewables consolidation as a buyer. This was the first large strategic renewables acquisition by government-owned companies in India. Until now the roll-up was led by private and corporate players, Adani Green, Tata Power, JSW, ReNew. ONGC and NTPC entering as acquirers signals that India's fossil-fuel PSUs will buy their way into the energy transition, not just build slowly, and they have the balance sheets to write large cheques.
• Platform acquisition is how incumbents catch up on the transition. Building 4.1 GW organically takes the better part of a decade; buying it takes six weeks. For an oil explorer and a coal-heavy generator with net-zero commitments and almost no renewables, a ready-made contracted platform is the only realistic way to reach scale on the timeline the targets demand. Expect more incumbents in energy-intensive sectors to buy platforms rather than build them.
• Development finance now has a proven exit into Indian strategics. BII seeded Ayana, grew it with NIIF, and exited a $2.3 billion platform to two PSUs. That completed lifecycle, DFI builds, strategic buys, matters because it tells the next impact investor that patient early capital in Indian clean energy has a real, large-scale exit. A working exit route is what keeps development capital flowing into the next platform.

What the price buys: mostly operating capacity, a construction pipeline, and public-sector off-take contracts. Sources: joint releases.

Valuation Pulse: Was ₹ 19,500 crore right for 4.1 GW? Three ways to judge it

Two state giants split the cheque and the risk evenly: NTPC Green and ONGC Green each funded ₹ 3,124 crore of the equity. Sources: NGEL filing, JSA deal note.

• What '7.3x turnover' means: the equity paid is about seven times a year's revenue. For a utility that is a full multiple, but a renewables platform is valued on its long-term contracted cash flows and its growth pipeline, not on a single year's sales, so the headline multiple flatters neither side cleanly.

The discipline. Judge this on the contracted cash flows and the pipeline, not the equity multiple. The ~7.3x turnover figure is nearly meaningless alone, because a renewables platform is worth the decades of contracted revenue ahead, not last year's ₹ 856 crore. The real questions are whether the 1,989 MW gets built on time and budget, and whether the ₹ 13,252 crore of assumed debt is comfortably covered by off-take payments from SECI and the rest. The market's ~5% markdown says investors want to see execution before they credit the scale. The assets are the easy part; the build and the debt service are the deal.

Deal Structure Clinic: The JV acquisition, and why the enterprise value is mostly borrowed

In plain terms, a joint-venture acquisition: Two companies form a shared vehicle that makes the purchase, so they split the cost, the control and the risk. Here ONGC and NTPC each own half of ONGPL, which owns 100% of Ayana, so neither parent carries the whole deal on its own balance sheet.

In plain terms, why the equity is a fraction of the price: Ayana's projects are financed largely with debt raised against their contracted power sales. The buyer pays equity only for the value above that debt, and inherits the borrowing, so a ₹ 19,500 crore business changes hands for a ₹ 6,249 crore cheque.

Three mechanics this deal showcases

Where it leaves the buyer: bigger and greener, but carrying ₹ 13,252 crore of project debt against a ₹ 856 crore-turnover asset. Sources: company filings.

• A JV spreads a large deal across two balance sheets. Neither ONGC nor NTPC bought Ayana alone; ONGPL did, each parent funding half the ₹ 6,249 crore equity. When a purchase is large or the risk uncertain, a joint venture lets two parties share both, and aligns two state giants behind a single vehicle. The structure is how the deal became affordable and governable for each side.
• The enterprise value tells you the size; the equity tells you the cost. The ₹ 19,500 crore is what the whole platform is worth including its debt; the ₹ 6,249 crore is what the buyers paid. Reading only the headline overstates the cheque; reading only the equity understates the commitment, because the buyer now carries the ₹ 13,252 crore of debt too. Always read both numbers together.
• The debt is safe only as far as the contracts are. Ayana's borrowing is serviced by payments from SECI, NTPC, GUVNL and Indian Railways under long contracts. That is why public-sector off-takers matter: sovereign-linked credit makes the assumed debt low-risk. When you buy a leveraged infrastructure asset, the strength of the off-take contracts is the strength of the debt, so diligence the counterparties as hard as the assets.

M&A 101: Buying your way into a new sector: the three-step playbook

In plain terms, a platform acquisition: Buying an established, operating business in a sector you want to enter, rather than building your own from scratch. You pay a premium for scale, contracts and a running team, and in return you skip the years and risk of building organically.

The three steps, using this deal

• Step 1: Buy scale you cannot build in time. When a structural shift moves faster than you can build, acquisition is the only way to keep up. ONGC and NTPC needed renewables scale for their net-zero targets and could not build 4.1 GW in the years available, so they bought a ready platform already generating. Match the method to the clock: build when you have time, buy when you do not.
• Step 2: Read the whole price, not the cheque. In infrastructure the equity you pay is a fraction of the enterprise value, and the difference is debt you must service. ONGPL paid ₹ 6,249 crore but took on a ₹ 19,500 crore package. Underwrite the assumed debt and the cash flows that cover it as carefully as the price, because that is where the deal is won or lost.
• Step 3: Share a big, uncertain deal. A joint venture lets two parties split the cost, the control and the risk of a purchase neither wants to carry alone. ONGC and NTPC each took half of ONGPL, aligning two state balance sheets behind one platform. When a deal is large or the sector is new to you, a shared vehicle spreads the exposure and pools the expertise.

The wider pattern: India's renewables are consolidating into a few large platforms, and the state has now joined the buyers. Sources: Business Standard.

Live Mandate: Active buyer brief · KPE-2026-001 · Reply to refer

We are looking for a textile manufacturing business in Maharashtra or Gujarat.