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Issuer Credit Research

Issuer Flash: Adani Transmission Step-One Limited / ATSOL Obligor Group

Issuer: Adani Transmission Step One | Document: Issuer Flash | Date: 2026-07-24 | Event: Aesl Q1 Fy27 Readthrough

Report date: 2026-07-24 Event date: 2026-07-21 Event title: AESL Q1 FY27 Read-Through

1. Flash Conclusion

Adani Energy Solutions Limited's (AESL) Q1 FY27 release provides a limited operationally positive read-through for Adani Transmission Step-One Limited (ATSOL), but does not change the direct credit assessment of the ADTIN 2036 notes. AESL reported 99.6% average transmission-system availability, transmission operating EBITDA of INR14.77bn (+38% year on year), and consolidated EBITDA of INR31.78bn (+58%). The parent-wide availability result provides limited evidence that no broad platform operating stress is evident in the AESL metric; it is directionally consistent with, but does not demonstrate, the high availability required for ATSOL obligor-group cash flows.

The disclosure is not, however, a substitute for an ATSOL compliance certificate. It gives no restricted-group DSCR, DSRA balance, receivables ageing, current 2036-note balance, amortisation schedule, hedge position, cash distributions, debt-service schedule or security-sharing information. For holders of the secured, amortising 2036 notes, those are the indicators that determine whether the restricted-group cash-flow and account-waterfall protections remain intact. The credit stance is consequently unchanged: platform operations look sound, while direct bondholder protection after the 2026 refinancing remains unconfirmed.

2. What AESL Announced — and What It Does Not Establish

AESL's 21 July release describes broad group performance rather than ATSOL obligor-group reporting. It reported INR98.52bn of total income and INR31.78bn of EBITDA for Q1 FY27, with growth attributed to transmission projects, smart-meter rollout, energy-solutions activity and service-concession income. In the transmission segment, operating revenue was INR15.96bn and operating EBITDA INR14.77bn, both up 36% and 38% year on year respectively. AESL also reported average transmission availability of 99.6% and INR0.35bn of associated incentive income.

These facts are useful sponsor and operating-platform context. Transmission availability is central to the revenue quality of the ATSOL obligor group's assets, and AESL's result does not indicate broad operational stress in the platform. Yet the reported availability covers AESL's transmission business as a whole. It is not evidence that each ATSOL obligor-group line met its specified availability level, that tariff recovery reached the restricted accounts, or that debt-service tests were passed. Likewise, AESL's consolidated EBITDA includes businesses outside the ATSOL perimeter, including distribution, smart metering and the Energy Solutions Platform. It cannot be used to infer higher ATSOL EBITDA, DSCR or debt capacity.

AESL's growth agenda reinforces this distinction. The release cites INR34.98bn of Q1 capex, an INR717.79bn transmission construction pipeline, further smart-meter rollout and the proposed IntelliSmart acquisition. These developments may support AESL's long-term scale and market access, but they also concern investment and businesses outside the established ATSOL restricted group. They neither create a contractual support commitment to the ADTIN notes nor establish that new AESL debt, capex or acquisition funding will be structurally separate from the ATSOL security and cash-flow perimeter. No conclusion on that relationship should be drawn from this release.

3. Credit Read-Through for ADTIN 2036 Noteholders

The positive element is narrow: continued high AESL transmission availability is consistent with the operating discipline needed to preserve regulated transmission revenue, but the parent-wide measure does not establish ATSOL asset performance or cash collection. It does not resolve the more material information gap for this specific bond. As prior context from the May issuer summary, the last direct ATSOL compliance certificate in coverage memory is for September 2025, when DSCR was 1.89x, receivables over 180 days were zero and the obligor group reported a DSRA. Those historical metrics pre-date the March 2026 private-placement refinancing development, also prior context from the May materials, and cannot be assumed to describe the post-refinancing structure.

The May additional discussion remains particularly relevant but unverified by this event. As prior context, it identified the need to test whether the March 2026 refinancing development changed debt service, DSRA requirements, distribution restrictions, hedge costs, ranking or shared security for the 2036 notes. AESL's Q1 presentation provides none of those answers. The absence of a new direct certificate means the report cannot say whether refinancing has reduced, maintained or diluted the protection buffer for existing 2036 noteholders.

From a bondholder perspective, the appropriate interpretation is therefore neutral to slightly positive operational context, not a financial-profile upgrade. The restricted group's own availability, receivable collection, debt service, hedges and account controls remain the repayment chain. AESL's group growth and capex are relevant primarily because they can affect sponsor reputation, market access and potentially the wider financing environment; they should not displace the project-finance-style analysis of the ADTIN notes.

4. What To Watch Next

5. Sources