
In July 2026, Aditya Birla Renewables, a subsidiary of Grasim Industries, announced it would acquire 100% of Solenergi Power Private Limited—the holding company for Sprng Energy—from Shell Overseas Investment B.V. The enterprise value stands at ₹17,200 crore (approximately $1.8 billion), making this one of India's largest renewable energy acquisitions by value and scale. The transaction adds a contracted portfolio of about 5 GWp capacity, including 3.3 GWp of operational assets and 1.7 GWp under construction, nearly doubling Aditya Birla Renewables' existing footprint to create a combined platform of roughly 9.3 GWp. Others +1
What makes this deal particularly interesting isn't just the size—it's the financing structure. Rather than relying on expensive bridge financing or international debt, Aditya Birla Group has prioritized a ₹14,000 crore domestic loan syndication led by Axis Bank, with State Bank of India and HDFC Bank evaluating commitments for the remaining amount. This represents approximately 81.4% of the enterprise value, with the balance funded through equity infusion from Grasim (not more than ₹1,000 crore) and funds managed by Global Infrastructure Partners (GIP), which committed up to ₹3,000 crore for a minority stake. Transcripts +1
The choice of domestic syndication over bridge financing comes down to simple economics and strategic timing. Bridge loans in India typically carry interest rates between 15-24% annually for tenors of only 3-24 months, plus processing charges of 1-3% and pre-payment penalties of 2-5%. For a ₹14,000 crore bridge loan at 18% for one year, the total first-year cost would approach ₹2,800 crore—roughly 20% of the principal amount.
In contrast, the domestic syndication is being negotiated at approximately 7.7% for a tenor of up to 20 years. This translates to annual interest costs of around ₹1,078 crore—less than half the cost of bridge financing on an annualized basis. More importantly, the 20-year tenor matches the long-term cash flow profile of renewable assets, eliminating refinancing risk that would be inherent in bridge loan structures. The transaction is expected to close by December 31, 2026, providing adequate time to finalize long-term financing rather than requiring interim arrangements. Others
The ₹14,000 crore debt facility against a ₹17,200 crore enterprise value results in a debt-to-equity ratio of roughly 4.4:1—substantially higher than typical corporate acquisitions but entirely appropriate for renewable energy assets. This structure aligns with the renewable business's standard 25-75 equity-debt ratio for 1 GW assets. The high leverage is justified by the predictable, long-term contracted cash flows from power purchase agreements (PPAs) that typically span 20-25 years. Transcripts
Crucially, this leverage remains at the subsidiary level. Grasim's contribution is limited to not more than ₹1,000 crore in the current financial year, with management confirming "no material impact from its own cash flow perspective". Grasim's net debt-to-EBITDA ratio is expected to remain below 2.0x for the entire year, indicating the acquisition won't materially impact parent-level leverage metrics. This structure allows Aditya Birla Group to pursue aggressive growth at the subsidiary level while maintaining conservative balance sheet management at the parent level. Transcripts +1
The equity infusion strategy serves multiple purposes beyond simply funding the acquisition. GIP's commitment of up to ₹3,000 crore for a minority stake brings more than just capital—it provides validation of the business model and access to global infrastructure operating experience. Post-GIP investment, the renewable business is valued at an enterprise value of ₹14,600 crore, providing external validation of the platform's worth. This represents one of the largest primary private equity investments in an Indian renewable energy platform. Transcripts
Grasim's limited equity contribution (≤₹1,000 crore) reflects a capital-efficient approach that preserves parent-level resources for other growth initiatives across paints, building materials, and financial services. The mix maximizes return on equity through financial leverage while maintaining strategic control. Assuming a 12% project-level return, the leveraged structure could generate ROE of 30% or higher for equity investors—more than double the unleveraged return.
Axis Bank has underwritten the entire ₹14,000 crore facility and plans to retain approximately ₹5,000 crore on its own balance sheet—a 36% retention ratio that signals strong confidence in the transaction. This aggressive underwriting reflects Axis Bank's strategic focus on climate and sustainable finance. The bank has made a public commitment of incremental financing of ₹60,000 crores (approximately $7.2 billion) in ESG-aligned sectors by 2030, of which ₹30,000 crores was achieved by March 2024.
Axis Bank is among the first banks in India to have a board-approved ESG policy for lending that adheres to IFC Performance Standards, and it issued the first Green USD Bond in 2016. The Sprng Energy transaction aligns perfectly with this strategic focus, positioning Axis Bank as a leader in renewable energy project finance while generating attractive risk-adjusted returns at 7.7% for a 20-year tenor.
International lenders like Japan's MUFG evaluated participation but were unable to match the pricing offered by domestic lenders. Several factors explain this competitive disadvantage. Indian banks have access to lower-cost domestic deposits—term deposits >1 year currently yield 6.00-6.75%—compared to international lenders' wholesale funding costs. International lenders also face foreign exchange risk when lending in rupees, requiring additional risk premiums, and have limited visibility into local market nuances like DISCOM credit quality and regulatory frameworks.
The pricing advantage is substantial. While the Sprng Energy deal secures 7.7% for 20 years, international debt through External Commercial Borrowings (ECBs) would typically cost 9-13% after accounting for base international rates (6-7%), country risk premium (1-2%), and mandatory hedging costs (2-4%). Even domestic infrastructure bonds typically yield 7.5-8.5% for AAA/AA+ rated issuances with 10-15 year tenors. The 7.7% rate for a 20-year tenor represents exceptional value, enabled by the Reserve Bank of India's stable monetary policy (repo rate at 5.25%), strong banking sector fundamentals, and competitive intensity among lenders for large infrastructure mandates.
Sprng Energy's portfolio composition provides lenders with multiple layers of security. The 3.3 GWp of operational assets (66% of total) generate immediate cash flows with proven performance metrics, while the 1.7 GWp under construction (34%) represent future growth potential with secured PPAs and completion guarantees. The assets are diversified across Gujarat, Rajasthan, Madhya Pradesh, Tamil Nadu, and Karnataka, providing geographic risk diversification and exposure to multiple state electricity regulatory commissions. Others
The security package is comprehensive, including first charge on renewable assets, assignment of PPAs, charge on project land, assignment of insurance proceeds, and escrow account structures with defined cash waterfalls. Payment Security Mechanisms (PSM)—typically irrevocable letters of credit covering 1-2 months of PPA tariff—provide additional protection against DISCOM payment delays, which remain a significant concern in renewable energy financing. These mechanisms can be invoked within 10-20 days of payment default, providing lenders with a reliable recovery path.
The acquisition transforms Aditya Birla Renewables from a mid-tier player to one of India's largest renewable energy platforms. The combined 9.3 GWp portfolio positions the company among India's top 5 renewable energy companies, with management targeting scaling beyond 20 GWp in coming years. More importantly, the platform achieves strategic complementarity—Aditya Birla Renewables brings strength in commercial and industrial renewable power, while Sprng Energy adds utility-scale assets and a wider project pipeline. Others
This diversification creates a balanced risk profile across customer segments with different payment cycles and credit characteristics. The C&I segment typically offers higher tariffs and better payment discipline from corporate customers, while the utility-scale segment provides larger ticket sizes and government-backed counterparties. The combined platform also benefits from scale advantages in procurement, operational efficiency, grid access negotiation, and talent attraction.
The concentrated lender base of two to three domestic banks presents both opportunities and risks. On the positive side, relationship banking enables simplified coordination, faster decision-making, lower administrative costs, and potentially more flexible covenant negotiations. The deep understanding that Axis Bank, SBI, and HDFC Bank develop of the business could facilitate follow-on financing for expansion.
However, concentration risk is real. Dependency on few lenders creates refinancing vulnerability when the facility matures in 20 years, reduces bargaining power during renegotiations, and exposes the company to changes in specific lenders' risk appetite. The smaller lender group may also impose more restrictive covenants and conduct more intensive monitoring. Aditya Birla Group will need to manage this risk by gradually expanding its lender group for future financings, developing access to bond markets, and maintaining relationships with alternative funding sources.
Aditya Birla Group's financing strategy for the Sprng Energy acquisition represents calculated aggression—leveraging the unique characteristics of renewable energy assets to access cheaper, longer-duration domestic debt while maintaining conservative parent-level leverage. The 7.7% pricing for a 20-year tenor creates significant cost savings compared to alternative financing sources, while the high debt component (81.4%) magnifies potential returns on equity.
The success of this strategy will depend on execution—integrating two complementary platforms, completing the 1.7 GWp under-construction assets on time and within budget, and managing DISCOM payment risks through robust PSM mechanisms. If executed well, this acquisition could establish new benchmarks for large-scale renewable energy project financing in India and position Aditya Birla Group as a dominant player in the country's energy transition.