Cheaper batteries reset ReNew's India power bet
- ReNew is an India-focused renewable power producer with wind, solar, storage, and hybrid power contracts.
- Falling solar and battery costs let it shift complex projects away from wind and cut planned CapEx by INR 60 billion.
- Manufacturing matters more now, with solar manufacturing contributing about 15% of consolidated adjusted EBITDA in FY26.
- Debt is still the weak spot, even after net debt to EBITDA improved by 1.1x year over year.
- The take-private bid is no longer the main story, so execution, curtailment, and cash collection matter more.
The pivot has to pay
The bull case is simple. ReNew can use cheaper solar panels and batteries to rebuild projects that once leaned too much on wind. Management says the new mix lowers total CapEx by INR 60 billion, while cutting expected EBITDA by only INR 7 billion. That is a good trade if the projects get built on time and earn the higher returns management expects.
The company is also making progress on two old pressure points. Net debt to EBITDA is down 1.1x year over year, and a favorable Supreme Court order covers almost 50% of the overdue Andhra Pradesh receivables. If cash collection improves, ReNew has more room to fund growth without leaning as hard on new debt.
The bear case is that the business remains hard to run. Rajasthan grid curtailment can still reduce generation, and weak wind resources have already hurt performance. The failed take-private deal also removes a near-term price support that many event-driven investors were watching.
The next test is not a deal. It is execution. Investors should watch the 4 GW cell facility expected in H2 FY27, hyperscaler commercial and industrial contracts, and whether ReNew can fund the INR 42 billion ingot and wafer expansion without losing the deleveraging progress.
Power plants, contracts, and factories
ReNew is an independent power producer in India. It develops renewable energy projects, builds many of them through in-house engineering and construction teams, then operates and maintains the assets after they start producing power.
Most of the core power business earns money through power purchase agreements, or PPAs. These are long-term contracts to sell electricity to state utilities and commercial customers. More complex contracts, such as round-the-clock and peak power deals, require a mix of solar, wind, and batteries so power can be delivered when customers need it.
The company has also moved into solar manufacturing. Its 6.4 GW module lines are operating, and 4 GW of cell capacity is expected in H2 FY27. ReNew also plans a 6.5 GW ingot and wafer plant by June 2028, which would push it further upstream in the solar supply chain.
This model can create cost and supply advantages, but it needs a lot of capital. That is why the financial health score stays weak. ReNew must keep building, collecting receivables, and lowering leverage at the same time.
What ReNew sells
Solar power projects
Solar is becoming a bigger part of new project designs as panel costs fall. It helps ReNew lower CapEx and reduce reliance on weaker wind resources.
Battery energy storage
Batteries help ReNew deliver power during peak hours or across the day. Lower battery costs are the key reason the company can reconfigure complex projects.
Wind power projects
Wind remains part of the portfolio, but it is no longer the main growth lever in complex projects. Management cut committed wind capacity from 2.5 GW to about 850 MW.
RTC and peak power solutions
These hybrid contracts combine renewable sources and storage to provide more reliable power. They are harder to build, but can earn better returns when designed well.
Commercial and industrial power
ReNew sells power to business customers, including large technology companies. Hyperscalers make up almost 50% of tied-up C&I capacity.
Solar modules and cells
Manufacturing helps secure supply and can add margin. It contributed about 15% of consolidated adjusted EBITDA in FY26.
India is the whole map
The mix uses FY26 adjusted EBITDA context from management commentary. ReNew says all business and operations are linked to the Indian economy, so customer and policy concentration are central to the story.
What could break the plan
Rajasthan curtailment
High impact · Medium oddsGrid curtailment means ReNew may be able to generate power but cannot always send it to the grid. Management described some T-GNA curtailment as roughly 10% to 20% in affected cases. If this lasts, near-term generation and cash flow can miss expectations.
Wind resource underperformance
Medium impact · Medium oddsWind has already been weaker than expected. ReNew is reducing wind in new complex projects, but older and committed assets still depend on wind speeds. A bad wind year can lower output without lowering fixed costs much.
Debt funding squeeze
High impact · Medium oddsReNew is trying to cut leverage while still funding large projects. The open question is whether it can fund the INR 42 billion ingot and wafer expansion through internal accruals and minority raises. If not, debt or dilution could rise.
Manufacturing ramp delay
Medium impact · Medium oddsThe solar supply chain plan depends on new capacity working on time. The 4 GW cell facility is expected in H2 FY27, and the 6.5 GW ingot and wafer plant is planned by June 2028. Delays could weaken supply security and push out margin gains.
Receivables collection stalls
Medium impact · Low oddsA Supreme Court order helped with almost 50% of the overdue Andhra Pradesh receivables. That lowers one old risk, but cash still has to be collected. Slow collections would keep working capital tight.
No deal price floor
Medium impact · High oddsThe earlier take-private situation gave investors a clear event to price around. That deal failed to materialize, so the stock is back to trading on earnings, leverage, and execution. This can make the share price more sensitive to operating misses.
In one breath
What does ReNew Energy Global do?
ReNew builds, owns, and operates renewable power assets in India. Its portfolio includes solar, wind, batteries, hybrid power projects, and solar manufacturing.
Why is ReNew shifting from wind to solar and batteries?
Wind has been less reliable than expected, while solar and battery costs have fallen. Management says the shift cuts planned CapEx by INR 60 billion with only an INR 7 billion hit to expected EBITDA.
Why is ReNew's financial health score weak?
The business needs large upfront spending for power plants and factories. ReNew is lowering leverage, but it still has to fund growth, collect receivables, and build new capacity at the same time.
What should investors watch next?
The main signals are Rajasthan curtailment, net debt to EBITDA, cell manufacturing ramp progress in H2 FY27, and new C&I contracts with hyperscalers. These show whether the company can turn the strategy into cash flow.