How Power Reforms Pulled BlackRock Into Grasim’s Renewables Play

BlackRock’s India renewable bet hinges on the draft Electricity Bill, which reshapes captive power economics, derisks tariffs, and rewrites industrial energy math.

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By Dev Chandrasekhar

Dev Chandrasekhar advises corporates on big picture narratives relating to strategy, markets, and policy.

December 16, 2025 at 7:04 AM IST

India's Draft Electricity Amendment Bill 2025, unveiled October 9, structurally redraws industrial power economics through two transformational provisions. First, it mandates elimination of cross-subsidies for manufacturing enterprises within five years. Indian factories currently pay inflated tariffs averaging ₹6-7 per unit to subsidise agricultural and residential consumers receiving power at ₹2-3 per unit. Removing this distortion immediately improves the economics of long-term renewable contracts versus grid exposure.

Second, the bill subjects captive generation to explicit central government oversight for the first time, replacing state-level regulatory discretion. Combined with Universal Service Obligation exemptions for consumers above 1 megawatt and enforceable Renewable Purchase Obligation penalties, the legislation creates institutional certainty around industrial renewable procurement.

The bill's explicit recognition of energy storage systems as integral infrastructure validates premium pricing for firm power delivery versus intermittent supply. For captive renewable platforms combining solar, wind, and storage to deliver round-the-clock power, this regulatory endorsement transforms project economics. India projects 6-6.5% annual electricity demand growth through fiscal 2029-2030, with manufacturing's GDP share expanding. Industrial buyers now face incentives to lock long-term renewable contracts rather than remain exposed to grid tariffs that fluctuate with policy and fuel costs.

This regulatory transformation makes valuations sensible again for platforms positioned around captive and group captive models. The captive structure provides embedded demand that pure-play merchant developers cannot replicate, creating cash flow predictability that attracts institutional capital.

Aditya Birla Renewables, or ABREN, emerges as the live case study. ABREN operates 4.3 gigawatts across solar, hybrid, and floating solar projects in 10 states, built specifically around captive power for energy-intensive industries. Major off-takers include parent group companies such as UltraTech Cement, Hindalco Industries. It  provides revenue visibility independent of third-party merchant sales execution.

On December 9, Grasim announced BlackRock's Global Infrastructure Partners would acquire a minority stake at ₹146 billion enterprise value. The ₹34 billion per gigawatt valuation represents approximately 65% discount to Adani Green Energy's ₹98.5 billion per gigawatt—based on December 9 market capitalization of ₹1,645 billion for 16.7 GW—and 43% discount to JSW Energy's ₹59.3 billion per gigawatt—₹789 billion for 13.3 GW capacity).

GIP's investment thesis combines regulatory timing with structural advantages. The infrastructure specialist, which BlackRock acquired for $12.5 billion in October 2024, manages $189 billion across energy, transport, and digital infrastructure globally. Its portfolio includes complex assets requiring patient capital and regulatory navigation expertise.

For GIP, ABREN's discount to listed comparables reflects three factors. First, Adani Green's premium incorporates the Khavda mega-project scale advantage and established merchant execution track record. Second, JSW Energy's valuation includes 40 gigawatt-hours of committed energy storage deployment. Third, ABREN's 4.3 GW base appears modest against sector expansion trajectories—KPI Green targets 10 GW by 2030 from 1.9 GW, NTPC Green aims for 60 GW from 7.6 GW.

ABREN's captive model also provides downside protection that justifies institutional entry at current valuations. Guaranteed demand from parent group manufacturing facilities creates a revenue floor even if third-party commercial and industrial sales disappoint. Equipment procurement complexities, land acquisition challenges, and grid integration delays that plague sector execution might affect ABREN's third-party expansion but cannot erode core captive consumption.

The Aditya Birla Group's net-zero commitment by 2050 ensures ABREN's capacity expansion from 4.3 GW toward a stated 10 GW target addresses massive internal power requirements while building scalable external business. GIP's ₹20 billion initial investment with ₹10 billion greenshoe option provides upside participation if capacity additions accelerate beyond base case.

GIP will deploy capital through Compulsory Convertible Preference Shares combined with equity, maintaining Grasim's majority control while providing patient capital. This structure allows the conglomerate to highlight sum-of-parts value through external validation while retaining strategic control of a business central to decarbonization across cement, aluminum, and chemicals manufacturing.

If the Electricity Amendment Bill passes in current form, regulatory economics underlying ABREN's business model strengthen considerably. The transaction has come precisely two months after draft legislation was unveiled. It suggests institutional confidence in both regulatory trajectory and platform fundamentals.

For GIP, buying at steep per-gigawatt discount to listed peers while accessing embedded industrial demand represents classical infrastructure investment discipline: acquiring proven assets at valuation, with downside protected by captive off-take, and upside leveraged to India's manufacturing-driven energy transition arithmetic.

The real test remains execution of ambitious capacity targets in a sector with consistent delay record. But the regulatory foundation now supports rational valuations for platforms that combine institutional-grade demand certainty with exposure to India's industrial power transformation.